CN211943633U - Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle - Google Patents
Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle Download PDFInfo
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- CN211943633U CN211943633U CN202020663788.5U CN202020663788U CN211943633U CN 211943633 U CN211943633 U CN 211943633U CN 202020663788 U CN202020663788 U CN 202020663788U CN 211943633 U CN211943633 U CN 211943633U
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- rear axle
- pivot
- swing arm
- swing arms
- electric vehicle
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- 239000000725 suspension Substances 0.000 title claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a rear axle double-swing arm suspension mechanism of a three-wheeled electric vehicle, which comprises a rear axle frame and two swing arms symmetrically arranged at two sides of the rear axle frame, wherein the two swing arms are respectively provided with a rear wheel; a step shaft is arranged on the rear axle frame, and each swing arm is rotatably sleeved on the step shaft; and when the three-wheeled electric vehicle turns, the rotating mechanism enables the two swing arms to deflect relative to the rear axle frame, one swing arm moves upwards relative to the rear axle frame around the axial direction of the step, and the other swing arm moves downwards relative to the rear axle frame around the axial direction of the step. The utility model discloses two swing arms can be for the axle support top and bottom beat of rear axle under rotary mechanism's effect to guarantee that the axle of two rear wheels is completely parallel, guarantee that electric tricycle's three wheel contacts ground all the time, increased the ground connection total area of tire, provide steady, comfortable, safe driving and experience.
Description
Technical Field
The utility model belongs to the technical field of electric motor car mechanical motion, in particular to tricycle electric motor car rear axle double swing arm hangs mechanism.
Background
The electric vehicle rear axle double-swing-arm suspension mechanism has few types in the market, and in order to further develop the company, the company conducts market research, determines to independently research and develop the electric vehicle rear axle double-swing-arm suspension mechanism, and can meet market demands and widen development roads of the company. By adopting an advanced mechanism, the independent innovation capability of the enterprise is further improved, the market competitiveness of the product is increased, and a new economic growth point is created for the enterprise. Through continuous technical transformation, not only is a new development opportunity brought to the enterprise, but also synchronous development of the industry can be driven, and powerful support is provided for national economy.
The existing double-swing-arm mechanism for the rear axle of the electric vehicle has the defects of unstable structure, short service life and low safety, so that the enterprise demands a new double-swing-arm suspension mechanism for the rear axle of the electric vehicle urgently.
Disclosure of Invention
Therefore, the main objective of the present invention is to solve the above problems and to provide a rear axle double-swing arm suspension mechanism for a three-wheeled electric vehicle.
In order to achieve the above object, the technical solution adopted by the present invention is to provide a rear axle double-swing arm suspension mechanism for a three-wheeled electric vehicle, comprising a rear axle frame and two swing arms symmetrically arranged at two sides of the rear axle frame, wherein the two swing arms are respectively provided with a rear wheel;
the rear axle bridge is provided with a step shaft, the step shaft is parallel to the axis of the wheel shaft of the rear wheel, and each swing arm is rotatably sleeved on the step shaft;
and a rotating mechanism is arranged between the rear axle frame and the two swing arms, when the three-wheeled electric vehicle turns, the rotating mechanism enables the two swing arms to deflect relative to the rear axle frame, one of the swing arms moves upwards relative to the rear axle frame around the step shaft, and the other swing arm moves downwards relative to the rear axle frame around the step shaft.
The rotating mechanism is positioned on the front sides of the two swing arms and comprises a rotating rod, the rotating rod is positioned on the front side of the swing arms and is parallel to the axial direction of the rear wheel, a first pivot is arranged in the middle of the rotating rod, and the first pivot is installed on the rear axle frame;
two ends of the rotating rod are respectively provided with a universal bearing, the two swinging arms are respectively provided with a second pivot, each second pivot is correspondingly matched with each universal bearing, and a connecting block is arranged between each corresponding second pivot and the universal bearing;
when the electro-tricycle turns, the rotating rod rotates around the first pivot.
The second pivot is below the step shaft, and the axis of the second pivot is collinear with the axis of the step shaft.
The first pivot is sleeved with a copper sleeve, and the rotating rod is sleeved on the copper sleeve.
The second pivot is sleeved with a copper sleeve, the copper sleeve is sleeved with a shaft sleeve, and the shaft sleeve is inserted and fixed in a mounting hole of the swing arm.
The utility model has the advantages that:
the utility model discloses a two swing arms of tricycle electric motor car rear axle hang mechanism, two swing arms can be under rotary mechanism's effect for rear axle crane span structure beat from top to bottom, promptly: the swing of opposite direction is realized to the relative rear axle crane span structure of two swing arms, and one of them swing arm is around the axial motion for the rear axle crane span structure, and another swing arm is around the axial motion downwards for the rear axle crane span structure to guarantee that the axle of two rear wheels is completely parallel, guarantee that electric tricycle's three wheel contacts ground all the time, increased the ground connection total area of tire, provide steady, comfortable, safe driving experience, it is safer to travel.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the swing arm position of the present invention;
fig. 3 is a cross-sectional view of the position of the rotating mechanism of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
referring to fig. 1 to 3, the present invention provides a rear axle double swing arm suspension mechanism for a three-wheeled electric vehicle, which includes a rear axle frame 1 and two swing arms 2 symmetrically disposed at two sides of the rear axle frame 1, wherein the two swing arms 2 are respectively provided with a rear wheel;
the rear axle bridge 1 is provided with a step shaft 3, the step shaft 3 is parallel to the axis of a wheel shaft 4 of a rear wheel, and each swing arm 2 is rotatably sleeved on the step shaft 3;
the three-wheeled electric vehicle is characterized in that a rotating mechanism 5 is installed between the rear axle frame 1 and the two swing arms 2, when the three-wheeled electric vehicle turns, the rotating mechanism 5 enables the two swing arms 2 to deflect relative to the rear axle frame 1, one of the swing arms 2 moves upwards relative to the rear axle frame 1 around the step shaft 3, and the other swing arm 2 moves downwards relative to the rear axle frame 1 around the step shaft 3.
The rotating mechanism 5 is positioned at the front sides of the two swing arms 2 and comprises a rotating rod 6, the rotating rod 6 is positioned at the front side of the swing arms 2 and is parallel to the axial direction of the rear wheel, a first pivot 7 is arranged in the middle of the rotating rod 6, and the first pivot 7 is installed on the rear axle frame 1;
two ends of the rotating rod 6 are respectively provided with a universal bearing 8, the two swing arms 2 are respectively provided with a second pivot 9, each second pivot 9 is correspondingly matched with each universal bearing 8, and a connecting block 10 is arranged between each corresponding second pivot 9 and the universal bearing 8;
when the electro-tricycle turns, the rotating lever 6 rotates about the first pivot 7.
The second pivot 9 is located below the step shaft 3, and the axis of the second pivot 9 is collinear with the axis of the step shaft 3.
The first pivot 7 is sleeved with a copper sleeve 11, and the rotating rod 6 is sleeved on the copper sleeve 11.
The second pivot 9 is sleeved with a copper sleeve 12, the copper sleeve 12 is sleeved with a shaft sleeve 13, the shaft sleeve 13 is inserted and fixed in a mounting hole of the swing arm 2, a plane needle roller bearing 17 is arranged on the second pivot 9, and the plane needle roller bearing 17 is located in the mounting hole.
The following explanation is made on the working principle of the three-wheeled electric vehicle of the utility model:
when the tricycle turns, the rotating rod 6 rotates around the first pivot 7, and when the tricycle turns to the left, the left rear wheel 14 rises, and the opposite right rear wheel 15 falls; when turning to the right, the right rear wheel 15 rises and the left rear wheel 14 falls. The specific process is as follows: taking the electric tricycle turning to the left as an example, the left rear wheel 14 rises to drive the swing arm 2 on the left side to turn upwards around the step shaft 3, the bearing 16 is arranged between the swing arm 2 and the step shaft 3 to ensure that the turning of the swing arm 2 becomes smooth, when the swing arm 2 turns upwards, the second pivot 9 is hinged on the swing arm 2 at a position below the step shaft 3, so that the second pivot 9 is synchronously driven to turn upwards around the axis of the step shaft 3, the second pivot 9 is provided with the connecting block 10, the outer end of the connecting block 10 is fixedly connected with the universal bearing 8, the universal bearing 8 is connected with the rotating rod 6, the rotating rod 6 is hinged on the first pivot 7, so that the rotation of the second pivot 9 drives the connecting block 10 to move backwards, thereby driving the end on the left side of the rotating rod 6 to rotate anticlockwise around the axis of the first pivot 7, correspondingly, the end on the right side of the rotating rod 6 rotates anticlockwise around the axis of the first, like this, the one end on rotary rod 6 right side drives the connecting block 10 on right side and moves along, drives the swing arm 2 on right side then and overturns downwards around step axle 3, finally makes the right rear wheel 15 on the swing arm 2 on right side descend to accomplish the beat motion of two rear wheels, when electric tricycle turned, offset vehicle, driver's gravity and centrifugal force, reach the purpose of driving safely.
The rear axle double-swing arm suspension mechanism of the three-wheeled electric vehicle provided by the embodiment of the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. The utility model provides a two swing arms of tricycle electric motor car rear axle suspension mechanism which characterized in that: the rear wheel suspension mechanism comprises a rear axle frame and two swing arms symmetrically arranged on two sides of the rear axle frame, wherein rear wheels are respectively arranged on the two swing arms;
the rear axle bridge is provided with a step shaft, the step shaft is parallel to the axis of the wheel shaft of the rear wheel, and each swing arm is rotatably sleeved on the step shaft;
and a rotating mechanism is arranged between the rear axle frame and the two swing arms, when the three-wheeled electric vehicle turns, the rotating mechanism enables the two swing arms to deflect relative to the rear axle frame, one of the swing arms moves upwards relative to the rear axle frame around the step shaft, and the other swing arm moves downwards relative to the rear axle frame around the step shaft.
2. The rear axle double-swing arm suspension mechanism of the three-wheeled electric vehicle as claimed in claim 1, wherein: the rotating mechanism is positioned on the front sides of the two swing arms and comprises a rotating rod, the rotating rod is positioned on the front side of the swing arms and is parallel to the axial direction of the rear wheel, a first pivot is arranged in the middle of the rotating rod, and the first pivot is installed on the rear axle frame;
two ends of the rotating rod are respectively provided with a universal bearing, the two swinging arms are respectively provided with a second pivot, each second pivot is correspondingly matched with each universal bearing, and a connecting block is arranged between each corresponding second pivot and the universal bearing;
when the electro-tricycle turns, the rotating rod rotates around the first pivot.
3. The rear axle double-swing arm suspension mechanism of the three-wheeled electric vehicle as claimed in claim 2, wherein: the second pivot is below the step shaft, and the axis of the second pivot is collinear with the axis of the step shaft.
4. The rear axle double-swing arm suspension mechanism of the three-wheeled electric vehicle as claimed in claim 2, wherein: the first pivot is sleeved with a copper sleeve, and the rotating rod is sleeved on the copper sleeve.
5. The rear axle double-swing arm suspension mechanism of the three-wheeled electric vehicle as claimed in claim 2 or 3, wherein: the second pivot is sleeved with a copper sleeve, the copper sleeve is sleeved with a shaft sleeve, and the shaft sleeve is inserted and fixed in a mounting hole of the swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663788.5U CN211943633U (en) | 2020-04-27 | 2020-04-27 | Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020663788.5U CN211943633U (en) | 2020-04-27 | 2020-04-27 | Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211943633U true CN211943633U (en) | 2020-11-17 |
Family
ID=73163107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020663788.5U Expired - Fee Related CN211943633U (en) | 2020-04-27 | 2020-04-27 | Rear axle double-swing arm suspension mechanism of three-wheeled electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211943633U (en) |
-
2020
- 2020-04-27 CN CN202020663788.5U patent/CN211943633U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |