CN113752749A - Rear axle assembly of electric tricycle - Google Patents
Rear axle assembly of electric tricycle Download PDFInfo
- Publication number
- CN113752749A CN113752749A CN202111176817.0A CN202111176817A CN113752749A CN 113752749 A CN113752749 A CN 113752749A CN 202111176817 A CN202111176817 A CN 202111176817A CN 113752749 A CN113752749 A CN 113752749A
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- CN
- China
- Prior art keywords
- rear axle
- fixedly connected
- plate
- tricycle
- axle assembly
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- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/004—Mounting arrangements for axles
- B60B35/006—Mounting arrangements for axles with mounting plates or consoles fitted to axles
- B60B35/007—Mounting arrangements for axles with mounting plates or consoles fitted to axles for mounting suspension elements to axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J23/00—Other protectors specially adapted for cycles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a rear axle assembly of an electric tricycle, belonging to the technical field of vehicle rear axles, and comprising an underframe and a rear axle body; the rear axle body comprises a rear axle rod body, and a motor is connected to the rear axle body; the chassis is of a rectangular frame structure, a pair of vertical plates are symmetrically and fixedly connected to two ends of the chassis, the upper ends of the vertical plates are vertically and fixedly connected with a transverse plate, the side surfaces of the vertical plates are respectively and rotatably connected with a swing arm, one end of the swing arm is fixedly connected to the rear axle rod body through a locking sleeve, the swing arm is hinged to the locking sleeve, and a spring shock absorber is hinged between the transverse plate and the swing arm; the chassis is internally and fixedly connected with a reinforcing plate, and the lower surface of the reinforcing plate is connected with an anti-collision plate. The spring shock absorber is connected between the rear axle rod body and the vertical plate, so that the shock absorption performance of the rear axle is improved, and meanwhile, the anti-collision performance of the rear axle assembly is improved by the anti-collision plate, so that the rear axle assembly is protected.
Description
Technical Field
The invention relates to the technical field of rear axles of electric vehicles, in particular to a rear axle assembly of an electric tricycle.
Background
The electric tricycle uses a vehicle-mounted power storage battery as a power source to drive a vehicle to run, and has the characteristics of energy conservation, environmental protection and light weight, the use cost is lower, more and more attention is paid to the electric tricycle, a rear axle of the electric tricycle is a rear driving axle component for vehicle power transmission, the electric tricycle consists of two half-bridges, can implement half-bridge differential motion, is also a device for supporting wheels and connecting the rear wheels and is connected with a motor assembly to realize power output.
When the electric tricycle runs on a poor road surface, the rear axle assembly has large shaking amplitude and poor damping performance, so that the parts are not connected and loosened, and the motor or the rear axle assembly is damaged due to the fact that the rear axle is easily collided by the protruded road surface.
Disclosure of Invention
In view of the technical defects, the invention aims to provide a rear axle assembly of an electric tricycle, which improves the damping performance and the anti-collision effect of the electric tricycle by connecting a spring damper and an anti-collision plate on an underframe.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a rear axle assembly of an electric tricycle, which comprises an underframe and a rear axle body, wherein the underframe is connected with the rear axle body; the rear axle body comprises a rear axle rod body, and a motor is connected to the rear axle body; the chassis is of a rectangular frame structure, a pair of vertical plates are symmetrically and fixedly connected to two ends of the chassis, a transverse plate is vertically and fixedly connected to the upper ends of the vertical plates, the side surfaces of the vertical plates are rotatably connected with a swing arm, one end of the swing arm is connected to the rear axle rod body through a locking sleeve, the swing arm is hinged to the locking sleeve, and a spring shock absorber is hinged between the transverse plate and the swing arm; the inner fixed connection of the chassis is provided with a reinforcing plate, and the lower surface of the reinforcing plate is connected with an anti-collision plate.
Preferably, a diaphragm lower fixed surface connects a rectangular block, the rectangular block side is equipped with a bar hole, the connecting block of an L type structure of bar downthehole sliding connection, spring damper's one end with the connecting block is articulated, just be equipped with on the connecting block with the stopper that the cooperation of bar hole is connected.
Preferably, be equipped with on the connecting block with the connecting hole that the cooperation of bar hole is connected, just the equal threaded connection threaded rod in rectangle piece both ends, the one end of threaded rod is contradicted on the connecting block.
Preferably, the spring damper comprises a telescopic hydraulic rod, two ends of the hydraulic rod are fixedly connected with a cover plate, a spring is fixedly connected between the cover plates, and the spring is sleeved on the hydraulic rod.
Preferably, the locking sleeve is provided with a through hole which is connected with the rear axle rod body in a matched mode, the locking sleeve is provided with a rectangular expansion hole, the expansion hole is connected with the through hole, and a pair of bolt assemblies is fixedly connected in the expansion hole.
Preferably, the side surface of the vertical plate is fixedly connected with a shaft rod through a nut, and one end of the swing arm is rotatably connected with the shaft rod.
Preferably, a pair of mounting panels is fixedly connected to both ends of the transverse plate, and mounting holes are formed in the mounting panels.
Preferably, a fixing frame in an inverted U shape is fixedly connected to the reinforcing plate, a lifting rod is fixedly connected to the anti-collision plate through a nut, the lifting rod penetrates through the reinforcing plate and the fixing frame respectively, a stop block is connected to the lifting rod in a threaded manner, and the stop block is arranged above the fixing frame.
Preferably, both sides of the fixing frame are provided with a guide hole, and the lifting rod is fixedly connected with a guide block which is in sliding connection with the guide hole.
Preferably, the anti-collision plate is an arc-shaped plate made of elastic materials, and two ends of the anti-collision plate are sliding surfaces matched with the reinforcing plate.
The invention has the beneficial effects that:
1. according to the invention, the swing arm is rotatably connected between the rear axle rod body and the vertical plate, and the spring damper is fixedly connected between the transverse plate and the swing arm, so that the damping effect of the rear axle of the electric tricycle is improved, and the comfort level of the electric tricycle is improved.
2. According to the invention, the rectangular block is fixedly connected to the lower surface of the transverse plate, the strip-shaped hole is formed in the rectangular block, the connecting block is connected in the strip-shaped hole, the height of the rear axle body can be adjusted by changing the position of the connecting block in the strip-shaped hole, and the damping effect of the spring damper can be adjusted.
3. According to the invention, the anti-collision plate is connected below the reinforcing plate, when the anti-collision plate is collided, the lifting rod is driven to move upwards, the anti-collision plate is contacted with the reinforcing plate to generate deformation, the collision force is counteracted, and the rear axle body 2 and the underframe 1 are protected.
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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rear axle assembly of an electric tricycle according to an embodiment of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of the chassis.
Fig. 4 is a schematic structural view of the connecting block.
Fig. 5 is a schematic structural view of the spring damper.
Fig. 6 is a schematic structural view of the locking sleeve.
Fig. 7 is a schematic structural view of the crash panel.
Description of reference numerals: 1-bottom frame, 11-vertical plate, 12-horizontal plate, 13-reinforcing plate, 14-fixing frame, 15-guide hole, 16-rectangular block, 17-strip-shaped hole, 18-threaded rod, 19-mounting plate, 110-shaft rod, 2-rear axle body, 3-bumper plate, 31-lifting rod, 32-guide block, 33-stop block, 4-spring shock absorber, 41-hydraulic rod, 42-spring, 43-cover plate, 5-locking sleeve, 51-through hole, 52-expansion hole, 6-connecting block, 61-limiting block, 62-connecting hole and 7-swinging arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 2, the present invention provides a rear axle assembly of an electric tricycle, including an underframe 1 and a rear axle body 2; the rear axle body 2 comprises a rear axle rod body 21, and the rear axle body 2 is connected with a motor 22; the chassis 1 is a rectangular frame structure, a pair of risers 11 of 1 both ends symmetry fixedly connected with of chassis, a perpendicular fixed connection diaphragm 12 in riser 11 upper end, riser 11 side all rotates and connects a swing arm 7, the one end of swing arm 7 is connected on the rear axle body of rod 21 through a lock sleeve 5, swing arm 7 is articulated with lock sleeve 5, and a spring damper 4 is articulated between diaphragm 12 and swing arm 7, rear axle body 2 can rotate for the chassis, when rear axle body 2 rotates, spring damper 4 plays the cushioning effect.
Referring to fig. 3 to 4, a rectangular block 16 is fixedly connected to the lower surface of the transverse plate 12, a strip-shaped hole 17 is formed in the side surface of the rectangular block 16, a connecting block 6 of an L-shaped structure is slidably connected in the strip-shaped hole 17, one end of the spring damper 4 is hinged to the connecting block 6, a hinged seat is arranged on the connecting block 6, a limiting block 61 which is slidably connected with the strip-shaped hole 17 in a matched manner is arranged on the connecting block 6, a connecting hole 62 which is connected with the strip-shaped hole 17 in a matched manner is formed in the connecting block 6, the connecting block 6 is fixed in the strip-shaped hole 17 through a bolt assembly, a threaded rod 18 is connected to each of two ends of the rectangular block 16 in a threaded manner, and one end of the threaded rod 18 abuts against the connecting block 6, so that the connecting block 6 is stably fixed in the strip-shaped hole 17 and does not move relatively; and through changing the position of connecting block 6 in bar hole 17, the height of adjustable rear axle body 2 to adjust the shock attenuation effect.
Further, a shaft 110 is fixedly connected to the side surface of the vertical plate 11 through a nut, one end of the swing arm 7 is rotatably connected to the shaft 110, and a retaining ring is connected to the end of the shaft 110 through a thread.
Furthermore, a pair of mounting plates 19 is fixedly connected to two ends of the transverse plate 12, mounting holes are formed in the mounting plates 19, and the base frame 1 is fixed below the electric tricycle through the mounting plates 19.
Referring to fig. 5, the spring damper 4 includes a telescopic hydraulic rod 41, a cover plate 43 is fixedly connected to both ends of the hydraulic rod 41, a spring 42 is welded between the two cover plates 43, the spring 42 is sleeved on the hydraulic rod 41, and hinge blocks hinged to hinge seats are disposed on the cover plates 43.
Referring to fig. 6, the locking sleeve 5 is provided with a through hole 51 connected to the rear axle rod 21 in a matching manner, the locking sleeve 5 is provided with a rectangular expansion hole 52, the expansion hole 52 is connected to the through hole 51, a pair of bolt assemblies is fixedly connected to the inside of the expansion hole 52, and the locking sleeve 5 is fixed to the rear axle rod 21 through the bolt assemblies.
Referring to fig. 3 and 7, in order to protect the bottom frame 1 and the rear axle body 2, a reinforcing plate 13 is fixedly connected in the bottom frame 1, the lower surface of the reinforcing plate 13 is connected with an anti-collision plate 3, an inverted U-shaped fixing frame 14 is fixedly connected on the reinforcing plate 13, a lifting rod 31 is fixedly connected on the anti-collision plate 3 through a nut, two ends of the lifting rod 31 are provided with a pair of threads, the lifting rod 31 respectively penetrates through the reinforcing plate 13 and the fixing frame 14, the lifting rod 31 can move up and down, a stop 33 is connected on the lifting rod 31 through a thread, the stop 33 is arranged above the fixing frame 14, in order to ensure that the lifting rod 31 can move up and down stably and the angle of the anti-collision plate 3 is not inclined, both sides of the fixing frame 14 are provided with a guide hole 15, the lifting rod 31 is fixedly connected with a guide block 32 slidably connected with the guide hole 15, in order to further improve the anti-collision effect, a compression spring can be arranged between the guide block 32 and the top of the fixing frame 14, the compression spring cover is established on lifter 31, and anticollision board 3 is the arc of an elasticity material, and 3 both ends of anticollision board are the slip face with reinforcing plate 13 complex, and anticollision board 3 receives when offeing, drive lifter 31 and rise, and compression spring receives the extrusion, offsets partial impulsive force, and 3 both ends faces of anticollision board and reinforcing plate 13 surface contact take place to slide simultaneously, and anticollision board 3 takes place to deform, offsets remaining impulsive force, plays the guard action to chassis 1 and rear axle body 2.
During the use, when electric tricycle jolts, rear axle body 2 takes place to rotate for chassis 1, and spring damper 4 plays absorbing effect to rear axle body 2, improves the comfort level of vehicle, and when ground protrusion bumped crashproof board 3, crashproof board 3 drove lifter 31 and rises, and crashproof board 31 contacts and produces deformation with reinforcing plate 13, offsets and collides the dynamics, plays the guard action to rear axle body 2 and chassis 1.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The rear axle assembly of the electro-tricycle is characterized by comprising an underframe (1) and a rear axle body (2);
the rear axle body (2) comprises a rear axle rod body (21), and the rear axle body (2) is connected with a motor (22);
the chassis (1) is of a rectangular frame structure, a pair of vertical plates (11) are symmetrically and fixedly connected to two ends of the chassis (1), a transverse plate (12) is vertically and fixedly connected to the upper ends of the vertical plates (11), a swing arm (7) is rotatably connected to the side faces of the vertical plates (11), one end of the swing arm (7) is connected to the rear axle rod body (21) through a locking sleeve (5), the swing arm (7) is hinged to the locking sleeve (5), and a spring shock absorber (4) is hinged between the transverse plate (12) and the swing arm (7);
the inner fixed connection of the chassis (1) is provided with a reinforcing plate (13), and the lower surface of the reinforcing plate (13) is connected with an anti-collision plate (3).
2. The rear axle assembly of the electro-tricycle as claimed in claim 1, wherein a rectangular block (16) is fixedly connected to the lower surface of the transverse plate (12), a strip-shaped hole (17) is formed in the side surface of the rectangular block (16), a connecting block (6) of an L-shaped structure is slidably connected in the strip-shaped hole (17), one end of the spring damper (4) is hinged to the connecting block (6), and a limiting block (61) which is connected with the strip-shaped hole (17) in a matched mode is arranged on the connecting block (6).
3. The rear axle assembly of the electro-tricycle as claimed in claim 2, wherein the connecting block (6) is provided with a connecting hole (62) which is matched and connected with the strip-shaped hole (17), and both ends of the rectangular block (16) are connected with a threaded rod (18) in a threaded manner, and one end of the threaded rod (18) is abutted against the connecting block (6).
4. The rear axle assembly of an electro-tricycle as claimed in claim 1, 2 or 3, characterized in that the spring damper (4) comprises a telescopic hydraulic rod (41), both ends of the hydraulic rod (41) are fixedly connected with a cover plate (43), a spring (42) is fixedly connected between the two cover plates (43), and the spring (42) is sleeved on the hydraulic rod (41).
5. The rear axle assembly of the electro-tricycle of claim 1, wherein the locking sleeve (5) is provided with a through hole (51) which is matched and connected with the rear axle rod body (21), the locking sleeve (5) is provided with a rectangular expansion hole (52), the expansion hole (52) is connected with the through hole (51), and a pair of bolt assemblies are fixedly connected in the expansion hole (52).
6. The rear axle assembly of an electro-tricycle as claimed in claim 1, characterized in that the vertical plate (11) is fixedly connected to a shaft (110) by a nut, and one end of the swing arm (7) is rotatably connected to the shaft (110).
7. The rear axle assembly of the electro-tricycle of claim 1, characterized in that a pair of mounting plates (19) are fixedly connected to both ends of the cross plate (12), and mounting holes are formed on the mounting plates (19).
8. The rear axle assembly of the electro-tricycle according to claim 1 or 7, wherein the reinforcing plate (13) is fixedly connected with an inverted U-shaped fixing frame (14), the impact plate (3) is fixedly connected with a lifting rod (31) through a nut, the lifting rod (31) penetrates through the reinforcing plate (13) and the fixing frame (14), the lifting rod (31) is connected with a stopper (33) in a threaded manner, and the stopper (33) is arranged above the fixing frame (14).
9. The rear axle assembly of an electro-tricycle as claimed in claim 8, characterized in that the fixing frame (14) is provided with a guide hole (15) on both sides, and the lifting rod (31) is fixedly connected with a guide block (32) slidably connected with the guide hole (15).
10. The rear axle assembly of an electro-tricycle as claimed in claim 9, characterized in that the fender (3) is an arc-shaped plate made of elastic material, and both ends of the fender (3) are sliding surfaces engaged with the reinforcement plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176817.0A CN113752749A (en) | 2021-10-09 | 2021-10-09 | Rear axle assembly of electric tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176817.0A CN113752749A (en) | 2021-10-09 | 2021-10-09 | Rear axle assembly of electric tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113752749A true CN113752749A (en) | 2021-12-07 |
Family
ID=78798964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111176817.0A Pending CN113752749A (en) | 2021-10-09 | 2021-10-09 | Rear axle assembly of electric tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537041A (en) * | 2022-03-19 | 2022-05-27 | 徐州永盛机电有限公司 | Impact-resistant rear axle of electric tricycle |
-
2021
- 2021-10-09 CN CN202111176817.0A patent/CN113752749A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537041A (en) * | 2022-03-19 | 2022-05-27 | 徐州永盛机电有限公司 | Impact-resistant rear axle of electric tricycle |
| CN114537041B (en) * | 2022-03-19 | 2022-12-16 | 徐州永盛机电有限公司 | Impact-resistant rear axle of electric tricycle |
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