CN212332858U - External hanging connected independent suspension mechanism - Google Patents
External hanging connected independent suspension mechanism Download PDFInfo
- Publication number
- CN212332858U CN212332858U CN202020297871.5U CN202020297871U CN212332858U CN 212332858 U CN212332858 U CN 212332858U CN 202020297871 U CN202020297871 U CN 202020297871U CN 212332858 U CN212332858 U CN 212332858U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- steering
- fixing column
- independent suspension
- movable frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 39
- 230000035939 shock Effects 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses an externally-hung connection independent suspension mechanism. The device comprises a connecting assembly, a middle shaft fixing column, swing arms, a movable frame, a spring and a spring seat, wherein the swing arms, the movable frame, the spring and the spring seat are arranged on the left side and the right side, a bearing pin, a vehicle body connecting piece, a limited angle positioning sheet and a return spring seat are welded on the middle shaft fixing column, and a balance spring seat is welded on a swing arm fixing sleeve of an upper swing arm. All the components are connected through bearing pins and nuts to form a mechanism which can make the swing arm and the movable frame move up and down within a limited angle range. The vehicle body connecting piece is used for being connected with a vehicle body connecting kit on a vehicle body pipe in a steering handle rotating assembly of a motorcycle frame, the middle shaft fixing column is parallel to a steering shaft in the steering handle assembly, and the mechanism cannot follow the steering shaft to do steering motion. The tire steering seat sleeve in the left and right movable frames is used for connecting the shock absorber or the shock absorber frame and then is connected with the tire. The invention can be widely used for indirectly connecting the double front wheels of the reverse three wheels (including electric), so that the double front wheels of the reverse three wheels are convenient to control and steer and run easily.
Description
Technical Field
The invention relates to the technical field of inverted three wheels, in particular to a mechanism with double front wheels capable of swinging left and right and automatically returning to a positive balance state.
Background
The reverse three-wheeled (including electric) motorcycle is a comparatively novel product, and under complicated topography environment, steady safe trafficability characteristic is better than two rounds, and especially the tire that turns grabs the land ability and is stronger than two rounds of motorcycles, and then it is comparatively simple to show the structure than four-wheeled motorcycle reverse three-wheeled (including electric) motorcycle, and the cost is lower, for a little, receives people's liking very much in recent years.
For example, the steering of a standard reverse three-wheeled motorcycle in france is realized by electrically and mechanically controlling front wheels, but the steering is complex in controllability and high in cost, and is not easy to be used by a common driver to drive, the domestic double-front-wheel assembly of the Jili reverse three-wheeled motorcycle applies the technology of a four-wheeled beach vehicle to the motorcycle, the wheel span width of two wheels is large to ensure the stability of a motorcycle body, and a narrow road surface is not easy to pass through.
In general, the inverted motor tricycle generally adopts a left-right front double-wheel shock absorber to reduce the impact of a road surface on a vehicle body, has no vehicle body side-leaning self-aligning balancing device, and has low safety and stability when passing through a rugged road surface.
The lateral-tilting deformation device arranged in the common inverted motor tricycle is directly assembled at the lower part of a steering mechanism, can occupy the space for assembling wheels, can only design and use small-sized wheels as front double wheels, and cannot use various large-sized wheels.
Disclosure of Invention
In order to overcome the problems in the common inverted tricycle, reduce the processing cost and simplify the production process, the invention provides a product which is mechanically and simply operated: an externally hung connected independent suspension mechanism. The mechanism is added with a balancing mechanism which can return to the right and left sides of an axisymmetric pattern to do axisymmetric motion under the intervention of a central axis, a common independent suspension frame of a car is added, the independent suspension frame is connected with a tyre after being connected with a damping mechanism, so that the left tyre and the right tyre of an inverted tricycle move stably, simultaneously, under the action of a balance spring, the grip force on the ground can be increased when the front double wheels of the inverted tricycle roll over a car body, the inverted tricycle safely and stably and quickly passes through various uneven road surfaces, because the independent suspension frame is not directly arranged on a steering mechanism, but a roll deformation device is arranged right in front of a steering assembly of a steering handle, the space for assembling wheels is not occupied, the largest space can be provided for installing large-sized wheels, the front small tyre of the traditional inverted tricycle is changed into the tyre which can be suitable for the existing tyres with various sizes, under the condition that the length, the width, height, the size of the tyre and the damper of the two-wheeled motorcycle, the mechanism is suitable for all two-wheeled motorcycles to be changed into inverted three-wheeled motorcycles.
In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises a connecting component, a left upper swing arm 4, a right upper swing arm 5, a left lower swing arm 6, a right lower swing arm 7, a left movable frame 2, a right movable frame 3, a return spring 16, a middle shaft fixing column 1, a vehicle body connecting piece 20, a return spring seat 15, a balance spring 10, a balance spring seat 9, an angle limiting positioning sheet 17, a bearing pin 11 and a bearing 21, wherein the bearing 21 is arranged in a movement fulcrum bearing seat 22 of each swing arm, the vehicle body connecting piece, the angle limiting positioning sheet and the return spring seat are welded on the middle shaft fixing column, a return spring adjusting bolt 14 is connected on the return spring seat and is used for adjusting the return springs on the left side and the right side, a swing arm fixing sleeve 8 is connected on each swing arm by using a swing arm fixing sleeve bolt 13, the balance spring seat is welded on a swing arm fixing sleeve in the swing arms on the left side and the right side, a left tire steering seat sleeve, the left and right swing arms can move up and down independently or simultaneously after being connected through the bearing pin nut 12, when the swing arms do various movements, the balance spring also moves properly, the left and right movable frames also move up and down, and the welding angles of the middle shaft fixing column and the movable frames and the bearing pin are the same.
According to the scheme, the angle limiting positioning piece is preset in the middle shaft fixing column, so that the vehicle body is controlled at 30 degrees when the vehicle turns and heels, and the vehicle is more stable and safer to drive.
Drawings
Fig. 1 is a rear perspective view of an externally docked independent suspension mechanism.
Fig. 2 is a front perspective view of an externally docked independent suspension mechanism.
Fig. 3 is a front perspective view of an externally docked independent suspension mechanism.
Fig. 4 is a side perspective view of an externally docked independent suspension mechanism.
Fig. 5 is a structural view of an externally-connected independent suspension mechanism.
FIG. 6 is a perspective view showing the external connection of the integrated shock-absorbing steering frame and the inverted three-wheel double front wheel after the external connection of the independent suspension mechanism is connected with the integrated shock-absorbing steering frame with the shock absorber.
Fig. 1 fig. 2 the plug-in connected independent suspension mechanism of fig. 5, wherein: 1. a middle shaft fixing column; 2. a left movable frame; 3. the right movable frame; 4. the swing arm is arranged on the left side; 5. the right side is provided with an upper swing arm; 6. a left lower swing arm; 7. the right lower swing arm; 8. a swing arm fixing sleeve; 9. a balance spring seat; 10. a balance spring; 11. a bearing pin; 12. a bearing pin nut; 13. a swing arm fixing sleeve bolt; 14. a return spring adjusting bolt; 15. a return spring seat; 16. a return spring; 17. a limiting angle positioning sheet; 18. a right tire steering seat sleeve; 19. a left tire steering seat sleeve; a body attachment; 21. a bearing; 22. and a bearing seat.
Detailed Description
The preferred mode of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, an external hanging and connecting independent suspension mechanism comprises a connecting component, a left upper swing arm 4, a right upper swing arm 5, a left lower swing arm 6, a right lower swing arm 7, a left movable frame 2, a right movable frame 3, a return spring 16, a middle shaft fixing column 1, a vehicle body connecting piece 20, a return spring seat 15, a balance spring 10, a balance spring seat 9, a limited angle positioning sheet 17, a bearing pin 11 and a bearing 21 thereof are placed in a motion fulcrum bearing seat 22 of each swing arm, the vehicle body connecting piece, the limited angle positioning sheet and the return spring seat are welded on the middle shaft fixing column, a return spring adjusting bolt 14 is connected on the return spring seat for adjusting the return springs on the left side and the right side, a swing arm fixing sleeve 8 is connected on each swing arm by a swing arm fixing sleeve bolt, the balance spring seat is welded on the swing arm fixing sleeves in the swing arms on the left side and the right side, a left tire steering seat The rear of the shock absorber of the vehicle is connected with the tire, and the shock absorber is connected with the tire through a bearing pin nut 12 to form a mechanism with a left swing arm and a right swing arm capable of moving up and down independently or simultaneously, when the swing arms do various movements, a balance spring also moves properly along with the swing arms, a left movable frame and a right movable frame also move up and down along with the swing arms, and the welding angles of the middle shaft fixing column and the movable frames and the bearing pin are the same.
The body connecting piece in the externally-connected independent suspension mechanism is used for being connected with a body connecting kit on a body pipe in a steering handle rotating assembly of the motorcycle in a connecting mode, four bolt holes are preset in the body connecting piece and can be connected in a tightening mode through four bolts, a middle shaft fixing column is parallel to a steering shaft of the motorcycle, and after the connecting is successful, the mechanism cannot perform steering motion along with the steering handle after the steering handle of the motorcycle is rotated.
The same linear arrangement of two bearing pins on the axis fixed column in the independent suspension mechanism of external connection is on the perpendicular central line of axis fixed column, the bearing pin radius is the same, from last arrangement downwards, first bearing pin is used for linking to each other with the bearing of controlling the upper swing arm, the second bearing pin is used for linking to each other with the bearing of controlling the lower swing arm, each bearing of swing arm that is used for linking to each other with the bearing pin on the axis fixed column is the size the same, bearing pin and axis fixed column are not vertical welded, but with certain deviation angle welding when the vertical condition, deviation contained angle scope is: 10-20 degrees, and the motion trail directions of the left, right, upper and lower swing arms and the middle shaft fixing column have certain deviation angles.
The radius of the bearing pin on the left and right movable frames in the externally-connected independent suspension mechanism is the same, the radius of the bearing pin connected with the swing arm is the same, the bearing pin is not welded vertically with the left and right movable frames, but is welded with a certain deviation angle in a vertical state, and the deviation included angle range is as follows: the tire steering seat sleeve is parallel to the central shaft fixing column, the tire steering seat sleeves in the left and right movable frames are parallel to the central shaft fixing column, the movable frames on the left and right sides are similar in appearance but same in all parameters, the movable frames are placed left and right and cannot be used in a mixed mode, and under the action of external force, the left and right movable frames can move up and down independently or can move up and down in a synchronous axisymmetric mode on two sides.
The distances from the central point of a connecting hole of a center shaft fixing column in upper and lower swing arms on the left and right sides in the externally-connected independent suspension mechanism to the central point of a connecting hole of a movable frame are the same, the upper swing arm and the lower swing arm on the left side are completely the same, the upper swing arm and the lower swing arm on the right side are completely the same, and the swing arm on the left side and the swing arm on the right side are only similar in shape but not completely. The motion trail direction of the upper swing arm and the motion trail direction of the lower swing arm are parallel, the motion trails are not on the same straight line, and when the swing mechanism is in a static balance state, the central points of the bearing pin connecting holes of the left upper swing arm and the right upper swing arm are in a straight line, and the central points of the bearing pin connecting holes of the left lower swing arm and the right lower swing arm are in a straight line.
The left and right tyre steering seat sleeves on the movable frame in the externally connected independent suspension mechanism are used for connecting a shock absorber steering assembly or a rocker arm type shock absorption steering frame or an integrated shock absorption steering frame and then are connected with a shock absorber set and a tyre, and when the left and right movable frames move up and down, the tyre also moves up and down synchronously and properly.
The upper end of a swing arm fixing sleeve of a left upper swing arm and a right upper swing arm in the externally-connected independent suspension mechanism is provided with a balance spring for balancing and assisting the action of a left movable frame and a right movable frame, the upper swing arm has corresponding acting force on the balance spring to increase the acting force in the opposite direction of the other side movable frame symmetrical to the shaft during the swing arm movement, and the swing arm on the other side cannot be directly pushed no matter the swing arm on the left side or the right side moves up and down independently or simultaneously, and only the acting force can be applied to the other side swing arm symmetrical to the shaft through the balance spring.
The left and right swing arms in the externally-connected independent suspension mechanism are the same in length, the distances from balance spring seats on the two sides to a central shaft fixing column bearing pin of the upper swing arm are the same, the tension of a left return spring is the same as that of a right return spring under the adjusting action of a return spring adjusting bolt, the mechanism can swing left and right to movably deform under the action of external force, and the mechanism can automatically return to normal balance when the external force stops acting.
The angle limiting positioning sheet of the externally-hung connected independent suspension mechanism is welded on the middle shaft fixing column, the position of the angle limiting positioning sheet is shown below the upper swing arm and above the lower swing arm, a limiting angle is preset, the deformation space of the swing arm and the up-and-down movement range of the movable frame in the independent suspension can be limited, and safe control and running of the front double wheels of the inverted three wheels in a reasonable side-tilting angle are guaranteed.
The middle shaft fixing column, the left movable frame, the right movable frame, the left tire steering seat sleeve, the right tire steering seat sleeve and the steering shaft in the steering mechanism in the independent suspension in the externally-connected independent suspension mechanism are parallel, the left tire steering seat sleeve, the right tire steering seat sleeve and the steering shaft in the steering mechanism are in the same straight line arrangement, and the middle shaft fixing column connected with the swing arm and the left and right movable frames are in the same straight line parallel arrangement.
The automobile body connecting piece on the fixed column of axis of the independent suspension mechanism that plug into externally can reciprocate suitable position just weld when specific motorcycle type, and the tire steering seat sleeve pipe on the adjustable shelf can predetermine height and swing arm length and can stereotype before production, specifically to a certain car type, under the length condition that does not change the size of the size and the bumper shock absorber of the length, width, height and the tire of former car, this mechanism is applicable to all two-wheeled motorcycles and changes the production and be novel motor tricycle.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present application, fall within the protection scope of the present invention.
Claims (10)
1. An externally hung and connected independent suspension mechanism is characterized in that: the connecting assembly, a left upper swing arm (4), a right upper swing arm (5), a left lower swing arm (6), a right lower swing arm (7), a left movable frame (2), a right movable frame (3), a return spring (16), a middle shaft fixing column (1), a vehicle body connecting piece (20), a return spring seat (15), a balance spring (10), a balance spring seat (9), a limited angle positioning sheet (17), a bearing pin (11) and a bearing (21) thereof are placed in a movement fulcrum bearing seat (22) of each swing arm, the vehicle body connecting piece, the limited angle positioning sheet and the return spring seat are welded on the middle shaft fixing column, a return spring adjusting bolt (14) is connected on the return spring seat and used for adjusting the return springs on the left side and the right side, a swing arm fixing sleeve (8) is connected on each swing arm by a swing arm fixing sleeve bolt (13), the balance spring seat is welded on the, a left tire steering seat sleeve (19) and a right tire steering seat sleeve (18) in the left and right movable frames are used for being connected with a shock absorber of the inverted motor tricycle and then connected with tires, and are connected through a bearing pin nut (12) to form a mechanism with the left and right swing arms capable of moving up and down independently or simultaneously.
2. The plug-in docked independent suspension mechanism of claim 1, wherein: the motorcycle body connecting piece is used for being connected with a motorcycle body connecting kit on a motorcycle body pipe in a steering handle rotating assembly of a motorcycle in an overlap mode, four bolt holes which are preset on the motorcycle body connecting piece can be connected in an overlap mode through four bolts, a middle shaft fixing column is parallel to a steering shaft of the motorcycle, and after the connection is successful, the mechanism cannot do steering motion along with the steering handle after the steering handle of the motorcycle is rotated.
3. The plug-in docked independent suspension mechanism of claim 1, wherein: two bearing pins on the axis fixing column are arranged on the vertical center line of the axis fixing column in the same straight line, the radius of the bearing pins is the same, the bearing pins are arranged from top to bottom, the first bearing pin is used for connecting with the bearings of the left upper swing arm and the right upper swing arm, the second bearing pin is used for connecting with the bearings of the left lower swing arm and the right lower swing arm, the bearings of the swing arms connected with the bearing pins on the axis fixing column are the same in size, the bearing pins and the axis fixing column are not welded vertically, but are welded with a certain deviation angle in the vertical state, and the deviation included: 10 ~ 20 degrees, there is certain deviation angle between the left and right upper and lower swing arm motion trail direction and the axis fixed column.
4. The plug-in docked independent suspension mechanism of claim 1, wherein: about bearing pin radius size on the adjustable shelf is the same, and the bearing radius of being connected with the swing arm is the same, and the bearing pin is not vertical welded with controlling the adjustable shelf, but with certain deviation angle welding occasionally of vertical state, deviation contained angle scope does: the tire steering seat sleeve is parallel to the central shaft fixing column, the tire steering seat sleeves in the left and right movable frames are parallel to the central shaft fixing column, the movable frames on the left and right sides are similar in appearance but same in all parameters, the movable frames are placed left and right and cannot be used in a mixed mode, and under the action of external force, the left and right movable frames can move up and down independently or can move up and down in a synchronous axisymmetric mode on two sides.
5. The plug-in docked independent suspension mechanism of claim 1, wherein: the distance from the center point of a center shaft fixing column connecting hole in the upper swing arm and the center point of a center shaft fixing column in the lower swing arm on the left side and the right side to the center point of a movable frame connecting hole is the same, the upper swing arm on the left side is completely the same as the lower swing arm on the left side, the upper swing arm on the right side is completely the same as the lower swing arm on the right side, the swing arm on the left side and the swing arm on the right side are only in the shape and are not completely the same, the motion trail direction of the upper swing arm is parallel to the motion trail direction of the lower swing arm, the.
6. The plug-in docked independent suspension mechanism of claim 1, wherein: the left and right tyre steering seat sleeves on the movable frame are used for connecting with a shock absorber steering assembly or a rocker arm type shock absorption steering frame or an integrated shock absorption steering frame and then are connected with a shock absorber group and a tyre, and when the left and right movable frames move up and down, the tyre also moves up and down synchronously and properly.
7. The plug-in docked independent suspension mechanism of claim 1, wherein: the upper end of the swing arm fixing sleeve of the left upper swing arm and the right upper swing arm is provided with a balance spring for balancing and assisting the action of the left and right movable frames, the movable frames are driven to move up and down during the movement of the swing arms, the upper swing arms have corresponding acting force to the balance spring to increase the acting force in the opposite direction corresponding to the other side movable frame with axial symmetry, no matter whether the swing arms on the left side or the right side move up and down alone or simultaneously, the swing arms on the other side cannot be directly pushed, and the acting force can be applied to the other side swing arms with axial symmetry only.
8. The plug-in docked independent suspension mechanism of claim 1, wherein: the left swing arm and the right swing arm are the same in length, the distances from the balance spring seats on the two sides to the bearing pins of the middle shaft fixing column of the upper swing arm are the same, the tension of the left return spring and the tension of the right return spring are the same under the adjusting action of the return spring adjusting bolt, the mechanism can swing left and right to movably deform under the action of external force, and the mechanism can automatically return to be in balance when the external force stops acting.
9. The plug-in docked independent suspension mechanism of claim 1, wherein: the angle limiting positioning sheet is welded on the middle shaft fixing column, the position of the angle limiting positioning sheet is shown below the upper swing arm and above the lower swing arm, a limiting angle is preset, the deformation space of the swing arm in the independent suspension and the up-and-down movement range of the movable frame can be limited, and the safe control and running of the front double wheels of the inverted tricycle in a reasonable heeling angle can be guaranteed.
10. The plug-in docked independent suspension mechanism of claim 1, wherein: the middle shaft fixing column, the left movable frame, the right movable frame, the left tire steering seat sleeve and the right tire steering seat sleeve in the independent suspension are parallel to the steering shaft in the steering mechanism, the left tire steering seat sleeve and the right tire steering seat sleeve are in the same straight line arrangement with the steering shaft in the steering mechanism, and the middle shaft fixing column connected with the swing arm is in the same straight line parallel arrangement with the left movable frame and the right movable frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297871.5U CN212332858U (en) | 2020-03-10 | 2020-03-10 | External hanging connected independent suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297871.5U CN212332858U (en) | 2020-03-10 | 2020-03-10 | External hanging connected independent suspension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212332858U true CN212332858U (en) | 2021-01-12 |
Family
ID=74084551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297871.5U Expired - Fee Related CN212332858U (en) | 2020-03-10 | 2020-03-10 | External hanging connected independent suspension mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212332858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169583A (en) * | 2020-03-10 | 2020-05-19 | 吕榕志 | External hanging connected independent suspension mechanism |
-
2020
- 2020-03-10 CN CN202020297871.5U patent/CN212332858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169583A (en) * | 2020-03-10 | 2020-05-19 | 吕榕志 | External hanging connected independent suspension mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110816730A (en) | External-hanging connection reinforced fork type swing rod independent suspension mechanism | |
| US7909340B2 (en) | Vehicle with improved integrated steering and suspension system | |
| CN110562370A (en) | Rocker arm plate deformable device of reverse three-wheel front double-wheel self-return positive balance assembly | |
| CN102092434B (en) | Inclinable device for vehicle having two front wheels | |
| CN109878616A (en) | The support steering mechanism of two front wheels motorcycle | |
| USRE44854E1 (en) | Vehicle with improved integrated steering and suspension system | |
| CN111169583A (en) | External hanging connected independent suspension mechanism | |
| CN212332858U (en) | External hanging connected independent suspension mechanism | |
| CN211223709U (en) | Multi-wheel vehicle rollover-prevention body system with double adjusting wheels | |
| CN109895912B (en) | Front wheel suspension tilting mechanism of double front wheel vehicle | |
| CN208802068U (en) | A kind of new vehicle | |
| CN212195768U (en) | External hanging connection type non-independent suspension mechanism | |
| CN111114679A (en) | Front double-wheel self-return balancing assembly variable shape optimizing device of reverse tricycle | |
| CN211417489U (en) | Front double-wheel self-return balancing assembly universal plate deformable device of reverse tricycle | |
| CN212195766U (en) | Parallelogram axial symmetry up-and-down motion deformation self-aligning balance optimization mechanism | |
| CN212332846U (en) | External-hanging connected inverted three-wheel front double-wheel variable-shape optimization system for non-independent suspension | |
| CN110843983A (en) | Externally hung connected reinforced non-independent suspension mechanism | |
| CN110758625A (en) | External hanging connected double-wishbone type independent suspension mechanism | |
| CN112061283A (en) | Transverse swing mechanism and tricycle with same | |
| CN211568190U (en) | Rocker arm plate deformable device of reverse three-wheel front double-wheel self-return positive balance assembly | |
| CN212195767U (en) | Front double-wheel self-return balancing assembly variable shape optimizing device of reverse tricycle | |
| CN216709530U (en) | Reverse three-wheeled locomotive with front wheel swinging damping system | |
| CN110539834A (en) | Front double-wheel self-return balancing assembly universal plate deformable device of reverse tricycle | |
| CN113120134A (en) | Externally-hung connected fork type swing arm independent suspension inverted three-wheel front double-wheel deformable system | |
| CN111017092A (en) | External hanging fork type swing arm independent suspension mechanism |
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: 20210112 |