CN210793499U - Non-chain transmission structure of vehicle - Google Patents
Non-chain transmission structure of vehicle Download PDFInfo
- Publication number
- CN210793499U CN210793499U CN201921355086.4U CN201921355086U CN210793499U CN 210793499 U CN210793499 U CN 210793499U CN 201921355086 U CN201921355086 U CN 201921355086U CN 210793499 U CN210793499 U CN 210793499U
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- gear
- planetary gear
- ring
- transmission shaft
- sun gear
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Abstract
The utility model provides a non-chain transmission structure of a vehicle, which comprises a power source, a transmission shaft, a planetary gear transmission system and a wheel assembly; the planetary gear transmission system comprises a planetary gear train, the planetary gear train comprises a planet carrier, a sun gear, a gear ring and a planetary gear, and the planetary gear is arranged between the sun gear and the gear ring and is respectively meshed with the sun gear and the gear ring; the planet carrier is rigidly connected with the transmission shaft, the gear ring is rigidly connected with the wheel bracket, and the sun wheel is rigidly connected with the wheel hub; the transmission shaft driven by the power source drives the planet carrier on the transmission shaft to rotate, the planetary gear rotates between the sun gear and the gear ring, the planetary gear changes the speed ratio and then transmits power to the sun gear, and the sun gear drives the hub which is just connected with the sun gear to rotate and drives the vehicle to run through the hub. The utility model discloses a planetary gear transmission system in the power wheel hub tramples the manpower after changing the velocity ratio and directly converts the power into drive power, and the drive wheel rotates, orders about the vehicle and gos forward.
Description
Technical Field
The utility model belongs to the technical field of the vehicle and specifically relates to a non-chain drive structure of vehicle.
Background
The bicycle, electric power bicycle etc. manual drive vehicle adopts the pedal traditional transmission mode that drives chain and wheel of axis more, and chain drive's advantage is simple structure, with low costs, nevertheless has some problems, and the wheel trouble (fall the chain) appears taking off easily in the chain rotation, and the chain exposes ageing wearing and tearing of rustting easily outside, the miniaturized design of being not convenient for on some small-size folding cars etc..
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a non-chain drive structure of vehicle to solve the problem that the miniaturized design is not convenient for to current vehicle drive mode.
The utility model discloses a realize like this: a non-chain transmission structure of a vehicle comprises a power source, a transmission shaft, a planetary gear transmission system and a wheel assembly;
the power source drives the transmission shaft to rotate circumferentially; the wheel assembly comprises a wheel bracket, a tire and a hub;
the planetary gear transmission system comprises a planetary gear train, the planetary gear train comprises a planet carrier, a sun gear, a gear ring and a planetary gear, and the planetary gear is arranged between the sun gear and the gear ring and is respectively meshed with the sun gear and the gear ring; the planet carrier is rigidly connected with the transmission shaft, the gear ring is rigidly connected with the wheel bracket, and the sun wheel is rigidly connected with the wheel hub; the transmission shaft driven by the power source drives the planet carrier on the transmission shaft to rotate, the planetary gear rotates between the sun gear and the gear ring, the planetary gear changes the speed ratio and then transmits power to the sun gear, and the sun gear drives the hub which is just connected with the sun gear to rotate and drives the vehicle to run through the hub.
Preferably, the planetary gear transmission system comprises at least one group of planetary gear trains, each group of planetary gear trains comprises a planet carrier, a sun gear, a gear ring and a planetary gear, and the planetary gear is arranged between the sun gear and the gear ring and is respectively meshed with the sun gear and the gear ring; in each group of planetary gear trains, the planet carrier is used as the input end of the moment, and the sun gear is used as the output end of the moment; the sun gear of the front group of planetary gear trains is fixedly connected with the planet carrier of the rear group of planetary gear trains; the power is transmitted to the planet carrier of the first group of planetary gear trains by the transmission shaft and is output through the sun gear of the last group of planetary gear trains.
Preferably, the power source comprises a pedal and a crank, the upper end of the crank is hinged with the pedal, and the lower end of the crank is connected with the transmission shaft through a one-way bearing; the outer ring of the one-way bearing is rigidly connected with the crank, and the inner ring of the one-way bearing is rigidly connected with the transmission shaft.
Preferably, the power source comprises a pedal and a crank, the upper end of the crank is hinged to the pedal, and the lower end of the crank is connected with the transmission shaft through a ratchet structure.
Preferably, a link is provided between the pedal and the wheel bracket.
Preferably, a return spring is provided between the link and the wheel carrier.
Preferably, a gear ring fixing cover is arranged outside the gear ring, the end face of the gear ring fixing cover abuts against the side face of the hub, the planetary gear transmission system is arranged in the gear ring fixing cover, the gear ring fixing cover is connected with the sun gear and the hub through bolts, and the gear ring fixing cover and the hub synchronously rotate.
Preferably, the planet carrier is connected with the transmission shaft through a bolt; the sun wheel is connected with the hub through a bolt.
Preferably, the hub and the gear ring fixing cover are internally provided with a bearing rotating frame arranged on the transmission shaft.
Preferably, the wheel assembly further comprises a brake disc and a brake arranged on the brake disc.
Adopt above-mentioned technical scheme, the utility model discloses do not make the axis pedal with the chain transmission, directly with the epaxial of crank connection to the power wheel to trample the power with the manpower after changing the velocity ratio through the planetary gear transmission system in the power wheel hub and directly convert drive power into, the drive wheel rotates, orders about the vehicle and gos forward.
Because the crank is directly connected to the rear wheel, a middle shaft transmission structure of the rickshaw is omitted, the space of a driving structure is effectively reduced, and the miniaturization design of the vehicle is more convenient; the circular motion of the pedals is changed into reciprocating motion, which is more in line with the physiological structure and the force application characteristics of human motion; the planetary gear set is completely sealed in the hub of the driving wheel, so that oxidation and dust abrasion can be effectively reduced, the service life of the structure is prolonged, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the present invention.
In the figure: 1-transmission shaft, 2-wheel support, 3-tire, 4-wheel hub, 5-planet carrier, 6-sun gear, 7-gear ring, 8-planet gear, 9-connecting rod, 10-return spring, 11-pedal, 12-crank, 13-one-way bearing, 14-gear ring fixing cover, 15-brake disc, 16-brake and 17-connecting rod shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a non-chain transmission structure for a vehicle, which includes a power source, a transmission shaft 1, a planetary gear transmission system and a wheel assembly. The power source drives the transmission shaft 1 to rotate circumferentially, and the wheel assembly comprises a wheel support 2, a tire 3 and a wheel hub 4.
The utility model discloses a power supply can set up to traditional pedal drive chain's transmission mode, is circumferential direction by chain sprocket drive transmission shaft. The power source is also suitable for a miniaturized vehicle, the power source is arranged to comprise a pedal 11 and a crank 12, the upper end of the crank 12 is hinged with the pedal 11, and the lower end of the crank 12 is connected with the transmission shaft 1 through a one-way bearing 13 or a ratchet structure. Wherein, the outer ring of the one-way bearing 13 is rigidly connected with the crank 12, and the inner ring is rigidly connected with the transmission shaft 1; the ratchet structure is internally provided with a ratchet and a pawl which can realize unidirectional movement.
By stepping on the pedal 11, the arc-shaped motion of the pedal 11 is converted into circumferential rotation of the transmission shaft 1. Further, in order to increase the stability of the pedal 11, a link 9 is provided between the pedal 11 and the wheel carrier 2, and a return spring 10 is provided between the link 9 and the wheel carrier. Under the action of the treading force, the pedal rotates downwards by a certain radian, and the crank drives the one-way bearing to rotate to drive the transmission shaft to rotate circumferentially. Under the action of the return spring, the crank and the connecting rod are forced to rotate in the opposite direction, the pedal is restored to the initial position, and then the next driving cycle is started. A link shaft 17 is provided on the wheel carrier for articulation with the link.
The utility model discloses with pedal power transmission to transmission shaft, through the epaxial planetary gear transmission system of transmission again with power transmission to wheel.
The utility model discloses a planetary gear transmission system includes planetary gear, and planetary gear includes planet carrier 5, sun gear 6, ring gear 7 and planetary gear 8, and planetary gear 8 sets up between sun gear 6 and ring gear 7 to mesh with sun gear 6 and ring gear 7 respectively mutually. The planet carrier 5 is rigidly connected with the transmission shaft 1, the gear ring is rigidly connected with the wheel bracket, and the sun wheel is rigidly connected with the wheel hub. The transmission shaft driven by the power source drives the planet carrier on the transmission shaft to rotate, the planetary gear rotates between the sun gear and the gear ring, the planetary gear changes the speed ratio and then transmits power to the sun gear, and the sun gear drives the hub which is just connected with the sun gear to rotate and drives the vehicle to run through the hub.
According to the drive ratio needs, the utility model discloses a planetary gear transmission system includes at least a set of planetary gear, and every planetary gear of group all includes planet carrier, sun gear, ring gear and planetary gear, and planetary gear sets up between sun gear and ring gear to mesh mutually with sun gear and ring gear respectively. In each set of planetary gear trains, the planet carrier serves as the input end of the moment, and the sun gear serves as the output end of the moment. The sun gear of the front group of planetary gear trains is fixedly connected with the planet carrier of the rear group of planetary gear trains. The power is transmitted to the planet carrier of the first group of planetary gear trains by the transmission shaft and is output through the sun gear of the last group of planetary gear trains. As preferred embodiment, the utility model discloses a two sets of planetary gear trains transmit power, the planet carrier and the transmission shaft fixed connection of first set of planetary gear train to with power transmission to its sun gear, the sun gear of first set of planetary gear train and the planet carrier fixed connection of second set of planetary gear train, and then pass to the sun gear of second set of planetary gear train with power, the sun gear of second set of planetary gear train and wheel hub fixed connection, with power transmission to wheel hub, drive the tire rotation.
The utility model discloses be provided with the fixed lid of ring gear 14 in the ring gear outside, the terminal surface butt of the fixed lid of ring gear is in wheel hub's side, and planetary gear transmission system sets up in the fixed lid of ring gear. The gear ring fixing cover is connected with a sun gear and a hub of the second group of planetary gear trains through bolts, and the gear ring fixing cover and the hub rotate synchronously. The planetary gear set is completely sealed in the hub of the driving wheel, so that oxidation and dust abrasion can be effectively reduced, the service life of the structure is prolonged, and the maintenance cost is reduced.
The utility model discloses a planet carrier passes through bolted connection with the transmission shaft, and sun gear passes through bolted connection with wheel hub, and the ring gear passes through bolted connection with the wheel support. And bearings are arranged in the hub and the gear ring fixing cover and are used for being rotationally connected with the transmission shaft.
The wheel assembly of the present invention further comprises a brake disc 15 and a brake 16 disposed on the brake disc.
The utility model discloses the working process: the pedal on two sides is alternatively stepped on by double feet, power drives the crank to rotate through the pedal, the outer ring of the one-way bearing is rigidly connected with the crank, the inner ring is rigidly connected with the driving shaft, the reciprocating motion of the crank is converted into the one-way rotation of the driving shaft through the one-way bearing and a return spring, the planetary gear bracket is rigidly connected to the transmission shaft, the gear ring is rigidly connected to the wheel bracket, the planetary gear is meshed with the gear ring and the sun gear, the transmission shaft rotates to drive the planetary gear to rotate and forms relative motion with the gear ring, the planetary gear changes the speed ratio and then transmits the power to the sun gear fixed on the wheel.
Claims (10)
1. A non-chain transmission structure of a vehicle is characterized by comprising a power source, a transmission shaft, a planetary gear transmission system and a wheel assembly;
the power source drives the transmission shaft to rotate circumferentially; the wheel assembly comprises a wheel bracket, a tire and a hub;
the planetary gear transmission system comprises a planetary gear train, the planetary gear train comprises a planet carrier, a sun gear, a gear ring and a planetary gear, and the planetary gear is arranged between the sun gear and the gear ring and is respectively meshed with the sun gear and the gear ring; the planet carrier is rigidly connected with the transmission shaft, the gear ring is rigidly connected with the wheel bracket, and the sun wheel is rigidly connected with the wheel hub; the transmission shaft driven by the power source drives the planet carrier on the transmission shaft to rotate, the planetary gear rotates between the sun gear and the gear ring, the planetary gear changes the speed ratio and then transmits power to the sun gear, and the sun gear drives the hub which is just connected with the sun gear to rotate and drives the vehicle to run through the hub.
2. The non-chain transmission structure for the vehicle according to claim 1, wherein the planetary gear transmission system includes at least one set of planetary gear trains, each set of planetary gear trains including a carrier, a sun gear, a ring gear, and planetary gears, the planetary gears being disposed between the sun gear and the ring gear and engaged with the sun gear and the ring gear, respectively; in each group of planetary gear trains, the planet carrier is used as the input end of the moment, and the sun gear is used as the output end of the moment; the sun gear of the front group of planetary gear trains is fixedly connected with the planet carrier of the rear group of planetary gear trains; the power is transmitted to the planet carrier of the first group of planetary gear trains by the transmission shaft and is output through the sun gear of the last group of planetary gear trains.
3. The non-chain transmission structure for the vehicle as claimed in claim 1, wherein the power source comprises a pedal and a crank, the upper end of the crank is hinged to the pedal, and the lower end of the crank is connected to the transmission shaft through a one-way bearing; the outer ring of the one-way bearing is rigidly connected with the crank, and the inner ring of the one-way bearing is rigidly connected with the transmission shaft.
4. The non-chain transmission structure for the vehicle as claimed in claim 1, wherein the power source includes a pedal and a crank, an upper end of the crank is hinged to the pedal, and a lower end of the crank is connected to the transmission shaft through a ratchet structure.
5. A non-chain transmission structure for vehicles according to claim 3 or 4 wherein a link is provided between said pedal and said wheel support.
6. The non-chain transmission structure for the vehicle as claimed in claim 5, wherein a return spring is provided between the link and the wheel support.
7. The non-chain transmission structure for the vehicle according to claim 1, wherein a gear ring fixing cover is provided outside the gear ring, an end surface of the gear ring fixing cover abuts against a side surface of the hub, the planetary gear transmission system is provided in the gear ring fixing cover, the gear ring fixing cover is bolted to the sun gear and the hub, and the gear ring fixing cover and the hub rotate synchronously.
8. The non-chain transmission structure for the vehicle according to claim 1, wherein the planet carrier is connected with the transmission shaft through a bolt; the sun wheel is connected with the hub through a bolt.
9. The non-chain transmission structure for vehicle according to claim 7, wherein said hub and said ring gear fixing cover are provided with bearings rotatably mounted on said transmission shaft.
10. The non-chain transmission structure for the vehicle as claimed in claim 1, wherein the wheel assembly further comprises a brake disc and a brake provided on the brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355086.4U CN210793499U (en) | 2019-08-20 | 2019-08-20 | Non-chain transmission structure of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355086.4U CN210793499U (en) | 2019-08-20 | 2019-08-20 | Non-chain transmission structure of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210793499U true CN210793499U (en) | 2020-06-19 |
Family
ID=71247824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921355086.4U Expired - Fee Related CN210793499U (en) | 2019-08-20 | 2019-08-20 | Non-chain transmission structure of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210793499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450902A (en) * | 2019-08-20 | 2019-11-15 | 北京健行天下环保科技有限公司 | A kind of non-chain drive structure of vehicle |
-
2019
- 2019-08-20 CN CN201921355086.4U patent/CN210793499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450902A (en) * | 2019-08-20 | 2019-11-15 | 北京健行天下环保科技有限公司 | A kind of non-chain drive structure of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |