CN216332572U - Rear wheel assembly of electric tricycle - Google Patents
Rear wheel assembly of electric tricycle Download PDFInfo
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- CN216332572U CN216332572U CN202123118816.9U CN202123118816U CN216332572U CN 216332572 U CN216332572 U CN 216332572U CN 202123118816 U CN202123118816 U CN 202123118816U CN 216332572 U CN216332572 U CN 216332572U
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Abstract
A rear wheel assembly of an electric tricycle comprises a flywheel, a differential mechanism, a disc brake disc, two frame mounting pipes and two wheels; the differential mechanism comprises a mounting shell, two half shafts, two half shaft gears, two planetary gears and a planetary gear shaft, wherein a flywheel and a disc brake disc are fixedly connected with the mounting shell, one ends of the two half shafts extend into the mounting shell and are respectively provided with the half shaft gears, wheels are respectively arranged at the other ends of the two half shafts, the planetary gear shaft is vertical to the half shafts and is arranged between the two half shaft gears, the planetary gears are respectively arranged at the two ends of the planetary gear shaft, and each planetary gear is respectively meshed with the half shaft gears positioned at the two sides of the planetary gear shaft; the two frame mounting pipes are respectively sleeved on the two half shafts and are rotatably connected with the two half shafts through bearings, and the frame of the movable tricycle is detachably connected with the frame mounting pipes. By adopting the technical scheme, the electric tricycle is good in steering stability, the rear wheel assembly is highly integrated, and the electric tricycle is convenient to disassemble, assemble and maintain.
Description
Technical Field
The utility model relates to the technical field of electric tricycles, in particular to a rear wheel assembly of an electric tricycle.
Background
The electronic tricycle of present stage, rear axle adopt to rotate the integrative through-axle of connection on the frame, though can solve the rider transmission problem when riding like this, but control the unable automatically regulated of turning, more can't adjust the speed difference between the two-wheeled, the people of riding exerts oneself always when turning to like this, so make the waist and the shoulder of the people of riding can be very tired, safety when turning is also not high, consequently need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rear wheel assembly of an electric tricycle, which enables an inner wheel and an outer wheel to rotate at different speeds during turning through a differential mechanism, improves the steering stability of the electric tricycle, saves more labor during steering, has high integration, and is convenient to disassemble, assemble and maintain, and adopts the following technical scheme in order to achieve the aim:
a rear wheel assembly of an electric tricycle comprises a flywheel, a differential mechanism, a disc brake disc, two frame mounting pipes and two wheels; the differential mechanism comprises a mounting shell, two half shafts, two half shaft gears, two planetary gears and a planetary gear shaft, wherein the flywheel is fixed with the mounting shell through threads, the disc brake disc is connected with the mounting shell through a fastener, one ends of the two half shafts extend into the mounting shell and are respectively provided with the half shaft gears, wheels are respectively arranged at the other ends of the two half shafts, the planetary gear shaft is rotatably arranged in the mounting shell and rotates along with the mounting shell, the planetary gear shaft is vertical to the half shafts and is arranged between the two half shaft gears, the two ends of the planetary gear shaft are respectively provided with the planetary gears, and each planetary gear is respectively meshed with the half shaft gears positioned at the two sides of the planetary gear shaft; two frame installation pipes cup joint respectively on two semi-axles and pass through the bearing rotation with two semi-axles and be connected, frame installation pipe sets up between wheel and installation shell, electric tricycle's frame and frame installation pipe detachable connections, and frame installation pipe is kept away from installation shell one end and is fixed with the installation cover, the installation cover is connected with the shield through the fastener, the shield seals the tip that keeps off frame installation pipe, is provided with the first hole of dodging that supplies the semi-axle to pass on the shield.
Further, the installation shell includes the main casing body and the auxiliary casing body of fixing each other through the fastener, be provided with the second that supplies the semi-axis to wear out on the auxiliary casing body and dodge the hole, the outer wall that lies in the second on the auxiliary casing body and dodge the hole is provided with the external screw thread, be provided with the screw hole on the flywheel, the flywheel carries out threaded connection through the external screw thread on screw hole and the auxiliary casing body, be provided with the third that supplies the semi-axis to pass on the flywheel and dodge the hole
Furthermore, two rear forks of the electric tricycle are detachably connected with the two frame mounting pipes respectively.
Furthermore, the rear fork comprises a fork rod and a fork piece arranged at the end part of the fork rod, a notch with a through lower part is formed in the fork piece, the frame installation pipe is arranged in the notch, an installation piece is fixedly arranged on the frame installation pipe, and the fork piece is connected with the installation piece through a fastening piece.
Furthermore, a bracket is fixed on the frame mounting pipe, and a cargo frame is fixed at the top of the bracket.
Further, an insertion pipe is fixed on the frame installation pipe, a first installation hole is formed in the end portion of the insertion pipe, the bracket comprises a first connection pipe and two second connection pipes, the first connection pipe is transversely arranged, the two second connection pipes are arranged on two sides of the first connection pipe, the second connection pipes extend downwards and are sleeved on the insertion pipe, a second installation hole is formed in each second connection pipe, and the second connection pipes penetrate through the first installation hole and the second installation hole through bolts and are in threaded connection with nuts.
By adopting the technical scheme, through the arrangement of the differential mechanism, when a turn is made, because the outer side wheel has the phenomenon of slipping and dragging and the inner side wheel has the phenomenon of slipping and rotating, two additional forces in opposite directions can be generated by the two wheels at the moment, the rotating speeds of the wheels at the two sides are inevitably different, so the balance relation of the three is destroyed, the three are reflected on the half axle gear through the half axle, the planetary gear is forced to rotate, the rotating speed of the inner side half axle is reduced, the rotating speed of the outer side half axle is increased, thereby the rotating speed difference of the wheels at the two sides is realized, the rotating speed of the inner side wheel is slow, the rotating speed of the outer side wheel is fast, further the steering stability of the electric tricycle is improved, labor is saved during steering, in addition, the rear wheel assembly has high integration, the frame of the electric tricycle is directly connected with the frame mounting pipe, so the separation between the rear wheel assembly and the frame can be directly realized by dismounting the two, the rear wheel assembly or the frame is convenient to maintain.
Drawings
FIG. 1 is a schematic view of a rear wheel assembly.
FIG. 2 is a schematic view of the connection of the frame to the frame mounting tube.
Detailed Description
The utility model is described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a frame mechanism of a general electric tricycle comprises a frame 1 and a rear wheel assembly 2.
The frame 1 comprises a frame body, a motor arranged on the frame body, a chain wheel arranged at the output end of the motor and a battery for supplying power to the motor. The frame body comprises two rear forks.
The rear wheel assembly 2 comprises a flywheel 3, a differential mechanism 4, a disc brake disc 5, two frame mounting pipes 6 and two wheels 7, and the chain wheel is connected with the flywheel 3 through a chain.
The differential mechanism 4 comprises a mounting shell, two half shafts 8, two half shaft gears 9, two planet gears 10 and a planet gear shaft 11, wherein a flywheel 3 is fixed with the mounting shell through threads, a disc brake disc 5 is connected with the mounting shell through a fastener, one ends of the two half shafts 8 extend into the mounting shell and are respectively provided with the half shaft gears 9, the other ends of the two half shafts 8 are respectively provided with wheels 7, the planet gear shaft 11 is rotatably arranged in the mounting shell and rotates along with the mounting shell, the planet gear shaft 11 is vertical to the half shafts 8 and is arranged between the two half shaft gears 9, the two ends of the planet gear shaft 11 are respectively provided with the planet gears 10, and each planet gear 10 is respectively meshed with the half shaft gears 9 positioned on the two sides of the planet gear shaft; two frame installation pipes 6 cup joint respectively on two semi-axles 8 and pass through the bearing rotation with two semi-axles 8 and be connected, and frame installation pipe 6 sets up between wheel 7 and installation shell.
The mounting shell includes main casing 14 and auxiliary casing 15 through fastener reciprocal anchorage, be provided with the second that supplies semi-axis 8 to wear out on the auxiliary casing 15 and dodge the hole, the outer wall that lies in the second on the auxiliary casing 15 and dodge the hole is provided with the external screw thread, be provided with the screw hole on the flywheel 3, the external screw thread that flywheel 3 passed through on screw hole and the auxiliary casing 15 carries out threaded connection, be provided with the third that supplies semi-axis 8 to pass on the flywheel 3 and dodge the hole
Two rear forks of the electric tricycle are respectively detachably connected with the two frame mounting pipes 6. The rear fork comprises a fork rod 26 and a fork piece 27 arranged at the end part of the fork rod 26, a notch 28 with a through lower part is arranged on the fork piece 27, the frame mounting pipe 6 is arranged in the notch 28, a mounting piece 29 is welded on the frame mounting pipe 6, and the fork piece 27 is connected with the mounting piece 29 through a fastener.
A bracket 30 is fixed on the frame mounting pipe 6, and a cargo frame 31 is fixed on the top of the bracket 30. The insertion pipe 32 is fixed on the frame mounting pipe 6, a first mounting hole is formed in the end portion of the insertion pipe 32, the bracket 30 comprises a first connecting pipe 34 transversely arranged and two second connecting pipes 35 arranged on two sides of the first connecting pipe 34, the second connecting pipes extend downwards and are sleeved on the insertion pipe 32, a second mounting hole is formed in each second connecting pipe, and the second connecting pipes penetrate through the first mounting hole and the second mounting hole through bolts 33 and are in threaded connection with nuts.
Adopt above-mentioned technical scheme, through setting up differential mechanism 4, when turning, because the outside wheel has the phenomenon of skidding, the inside wheel has the phenomenon of skidding, two wheels 7 will produce two opposite direction additional power this moment, inevitably lead to the rotational speed of both sides wheel 7 different, thereby the equilibrium relation of three has been destroyed, and reflect on half axle gear 9 through semi-axis 8, force planetary gear 10 to produce the rotation, make the 8 rotational speeds of inboard semi-axis slow down, the 8 rotational speeds of outside semi-axis accelerate, thereby realize the difference of the 7 rotational speeds of both sides wheel, the concrete expression is that the 7 rotational speeds of inboard wheel are slower, the 7 rotational speeds of outside wheel are faster, and then improve the stability of the turning to of electric tricycle, it is also more laborsaving during turning to.
In addition, the rear wheel assembly 2 has high integration, and the frame 1 of the electric tricycle is directly connected with the frame installation pipe 6, so that the rear wheel assembly 2 and the frame 1 can be directly separated by dismounting the frame 1 and the frame, and the rear wheel assembly 2 or the frame 1 can be conveniently maintained.
In the electric tricycle frame mechanism, the rear wheel assembly 2 is independently arranged, the frame 1 is detachably connected with the rear wheel assembly 2, and the bracket 30 is arranged on the rear wheel assembly 2, so that the electric tricycle can be used as the electric tricycle after the frame 1 is connected with the rear wheel assembly 2, the electric tricycle can be independently used as the frame 1 of the electric bicycle after the frame 1 is separated from the rear wheel assembly 2, and the frame 1 has universality.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications, combinations and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an electric tricycle's rear wheel assembly which characterized in that: the brake comprises a flywheel, a differential mechanism, a disc brake disc, two frame mounting pipes and two wheels;
the differential mechanism comprises a mounting shell, two half shafts, two half shaft gears, two planetary gears and a planetary gear shaft, wherein the flywheel is fixed with the mounting shell through threads, the disc brake disc is connected with the mounting shell through a fastener, one ends of the two half shafts extend into the mounting shell and are respectively provided with the half shaft gears, wheels are respectively arranged at the other ends of the two half shafts, the planetary gear shaft is rotatably arranged in the mounting shell and rotates along with the mounting shell, the planetary gear shaft is vertical to the half shafts and is arranged between the two half shaft gears, the two ends of the planetary gear shaft are respectively provided with the planetary gears, and each planetary gear is respectively meshed with the half shaft gears positioned at the two sides of the planetary gear shaft;
two frame installation pipes cup joint respectively on two semi-axles and pass through the bearing rotation with two semi-axles and be connected, frame installation pipe sets up between wheel and installation shell, electric tricycle's frame and frame installation pipe detachable connections, and frame installation pipe is kept away from installation shell one end and is fixed with the installation cover, the installation cover is connected with the shield through the fastener, the shield seals the tip that keeps off frame installation pipe, is provided with the first hole of dodging that supplies the semi-axle to pass on the shield.
2. The rear wheel assembly of the electro-tricycle of claim 1, wherein: the installation shell includes the main casing body and the auxiliary casing body of fixing each other through the fastener, be provided with the second that supplies the semi-axis to wear out on the auxiliary casing body and dodge the hole, the outer wall that lies in the second on the auxiliary casing body and dodge the hole is provided with the external screw thread, be provided with the screw hole on the flywheel, the flywheel carries out threaded connection through the external screw thread on screw hole and the auxiliary casing body, be provided with the third that supplies the semi-axis to pass on the flywheel and dodge the hole.
3. The rear wheel assembly of the electro-tricycle of claim 1, wherein: two rear forks of the electric tricycle are detachably connected with the two frame mounting pipes respectively.
4. The rear wheel assembly of the electro-tricycle of claim 3, wherein: the rear fork comprises a fork rod and a fork piece arranged at the end part of the fork rod, a notch with a through lower part is formed in the fork piece, a frame mounting pipe is arranged in the notch, a mounting piece is fixedly arranged on the frame mounting pipe, and the fork piece is connected with the mounting piece through a fastener.
5. The rear wheel assembly of the electro-tricycle of claim 1, wherein: a bracket is fixed on the frame mounting pipe, and a cargo frame is fixed at the top of the bracket.
6. The rear wheel assembly of an electro-tricycle as claimed in claim 5, wherein: the frame installation pipe is fixed with the intubate on the pipe, the tip of intubate is equipped with first mounting hole, the bracket is including the first connecting pipe of horizontal setting and two second connecting pipes of setting in first connecting pipe both sides, second connecting pipe downwardly extending overlaps on the intubate, be provided with the second mounting hole on the second connecting pipe, pass first mounting hole, second mounting hole and with nut threaded connection through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118816.9U CN216332572U (en) | 2021-12-13 | 2021-12-13 | Rear wheel assembly of electric tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123118816.9U CN216332572U (en) | 2021-12-13 | 2021-12-13 | Rear wheel assembly of electric tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216332572U true CN216332572U (en) | 2022-04-19 |
Family
ID=81164101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123118816.9U Active CN216332572U (en) | 2021-12-13 | 2021-12-13 | Rear wheel assembly of electric tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216332572U (en) |
-
2021
- 2021-12-13 CN CN202123118816.9U patent/CN216332572U/en active Active
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