CN110562374A - Straddle type electric vehicle rear wheel single rocker assembly - Google Patents
Straddle type electric vehicle rear wheel single rocker assembly Download PDFInfo
- Publication number
- CN110562374A CN110562374A CN201910894648.0A CN201910894648A CN110562374A CN 110562374 A CN110562374 A CN 110562374A CN 201910894648 A CN201910894648 A CN 201910894648A CN 110562374 A CN110562374 A CN 110562374A
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- rear wheel
- fork
- bottom fork
- motor
- frame
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- 230000035939 shock Effects 0.000 claims abstract description 38
- 239000006096 absorbing agent Substances 0.000 claims abstract description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/02—Frames
- B62K11/04—Frames characterised by the engine being between front and rear wheels
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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
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
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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
- B62K21/00—Steering devices
- B62K21/02—Front wheel forks or equivalent, e.g. single tine
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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
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a straddle-type electric vehicle rear wheel single rocker arm assembly which comprises a vehicle frame main body, a rear bottom fork, a motor and a rear wheel, wherein the rear bottom fork is a single-side rear bottom fork, the front end of the single-side rear bottom fork is connected with the lower part of the rear end of the vehicle frame main body, the front part of the single-side rear bottom fork is provided with a motor mounting position for accommodating the motor, the motor is detachably mounted on the motor mounting position, the rear end of the single-side rear bottom fork extends towards the rear wheel and is detachably mounted on one side of the rear wheel, a shock absorber is connected between the single-side rear bottom fork and the vehicle frame main body, a belt pulley is mounted on one side of the rear wheel connected with the single-side rear bottom fork, the belt pulley is positioned on the outer side of the single-side rear bottom fork, a. According to the single rocker arm assembly for the rear wheel of the straddle type electric vehicle, the rear wheel and the motor can be independently disassembled, assembled and maintained, the disassembly, the assembly and the maintenance are convenient, the weight is low, the driving speed is high, the stability is good, the safety and the reliability are realized, the good damping effect is realized, and the comfort is good.
Description
Technical Field
The invention belongs to the technical field of electric vehicles, and particularly relates to a rear wheel single rocker arm assembly of a straddle type electric vehicle.
Background
With the increasing importance of the current society on the environmental protection and energy conservation issues, the electric vehicle plays an increasingly important role in public travel as a green energy-saving and emission-reduction vehicle. At present, electric vehicles have been widely used by consumers as daily vehicles.
the straddle type electric vehicle is a common electric vehicle type, and the hub type motor is usually installed on a rear wheel of the conventional straddle type electric vehicle, and the rear wheel is integrated with the motor, so that the weight of the rear wheel is increased, the running speed of the rear wheel is influenced, and when any one of the rear wheel or the motor breaks down, the whole electric vehicle can not be used, and the disassembly, assembly and maintenance of the motor and the rear wheel are influenced. In addition, the rear wheel of the present straddle type electric vehicle is usually installed on a rear flat fork of a double-rocker frame type, so that the whole weight of the rear wheel is heavier, the running speed of the rear wheel is influenced, the rear wheel is inconvenient to disassemble, assemble and maintain, and the use of the electric vehicle is influenced.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a rear wheel single rocker assembly for a straddle electric vehicle.
In order to solve the problems, the invention adopts the following technical scheme:
The utility model provides a straddle type electric motor car rear wheel list rocker assembly, includes frame main part, back chain stay, motor and rear wheel, the back chain stay is unilateral back chain stay, the front end of unilateral back chain stay links to each other with the rear end lower part of frame main part, the front portion of unilateral back chain stay is equipped with the motor installation position that is used for holding the motor, motor detachable installs on motor installation position, the rear end of unilateral back chain stay extends and detachable installs in one side of rear wheel to the rear wheel direction, just be connected with the bumper shock absorber between unilateral back chain stay and the frame main part, the pulley is installed with the one side that unilateral back chain stay links to each other to the rear wheel, the pulley is located the outside of unilateral back chain stay, be equipped with the belt in the pulley, the belt walks around the pulley and links to each other with the motor.
As an implementation scheme, the frame main body comprises two main frame pipes A which are oppositely arranged left and right, the upper ends of the main frame pipes A extend towards the rear upper side and are connected with main frame pipes B, a frame vertical pipe is connected between the main frame pipes A and the main frame pipes B, a frame horizontal pipe is connected between the frame vertical pipes, and the shock absorber is arranged between the frame horizontal pipe and the motor installation position.
according to the preferable scheme, a shock absorber mounting bracket is arranged on the transverse tube of the frame, the upper end of the shock absorber mounting bracket is connected with the middle part of the transverse tube of the frame, the lower end of the shock absorber mounting bracket is connected with the middle part of the motor mounting position, and the shock absorber is axially arranged on the shock absorber mounting bracket.
preferably, a reinforcing metal plate is arranged at the lower part of the main frame pipe A.
as the preferred scheme, be connected with the declutch shift shaft reinforcing tube between the reinforcing panel beating, the intraductal axial cover of declutch shift shaft reinforcing is equipped with the declutch shift shaft, the front end of unilateral back declutch passes through the declutch shift shaft and links to each other with the frame main part.
As a preferred scheme, the left end and the right end of the bottom fork shaft are provided with bottom fork shaft sleeves.
As an embodiment, the single-side rear bottom fork comprises a main fork arm and a secondary fork arm which are oppositely arranged at the left and right sides, a transverse fork arm is connected between the main fork arm and the secondary fork arm, one end of the transverse fork arm is connected with the middle front part of the main fork arm, the other end of the transverse fork arm is connected with the rear part of the secondary fork arm, the main fork arm, the secondary fork arm and the transverse fork arm form a motor mounting position for accommodating a motor at the front part of the single-side rear bottom fork, the front ends of the main fork arm and the secondary fork arm are detachably connected with the frame main body respectively, and the rear end of the main fork arm extends towards the rear wheel direction and is detachably mounted on one side of the rear wheel.
Preferably, the rear end of the main yoke is detachably sleeved on a rear wheel shaft of the rear wheel.
Preferably, a rear bottom fork reinforcing bracket is arranged at the position, close to the transverse fork arm, of the inner side wall of the main fork arm.
Preferably, the single-side rear bottom fork comprises a rear bottom fork installation reinforcing pipe, and two ends of the rear bottom fork installation reinforcing pipe are respectively connected with the main fork arm and the auxiliary fork arm.
As an implementation scheme, motor installation end covers are respectively arranged at the left end and the right end of the motor and are connected with the inner side wall of the motor installation position.
As an implementation scheme, the rear wheel comprises a rear wheel shaft and a rear wheel body sleeved outside the rear wheel shaft, an eccentric wheel is arranged on one side of the rear wheel body close to the single-side rear bottom fork, the eccentric wheel is sleeved outside the rear wheel shaft, and the rear end of the single-side rear bottom fork is sleeved on the eccentric wheel.
Preferably, the rear wheel shaft is provided with a belt pulley mounting seat, and the belt pulley mounting seat is positioned on one side of the eccentric wheel far away from the rear wheel body.
Compared with the prior art, the invention has the beneficial technical effects that:
According to the single rocker arm assembly for the rear wheel of the straddle type electric vehicle, the motor and the rear wheel are arranged separately, the motor is arranged in front of the rear fork, so that the weight of the rear wheel is effectively reduced, the gravity center of the rear part of the electric vehicle is moved forward, the safety is good, the running speed of the electric vehicle can be effectively improved, and meanwhile, the split type motor and the rear wheel can be independently disassembled, assembled and maintained, so that the rear wheel and the motor can be conveniently disassembled, assembled and maintained; in addition, the rear bottom fork adopts a single-side rear bottom fork, so that the whole electric vehicle is designed into a single rocker type, the weight of the rear part of the electric vehicle is reduced, and the rear wheel connected with the rear bottom fork is convenient to disassemble, assemble and maintain; the belt and the belt pulley are designed, so that the motor and the rear wheel are in belt transmission, and the belt transmission device is good in stability, safe and reliable; the shock absorber is connected between the single-side rear bottom fork and the frame main body, so that the electric vehicle has a good shock absorption effect and good comfort; simple structure, convenient use, suitability for industrial production and popularization and application value.
Drawings
FIG. 1 is a schematic structural view of a rear wheel single rocker assembly of a straddle-type electric vehicle according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a rear wheel monorocker assembly of a straddle-type electric vehicle according to another perspective of the present invention;
FIG. 3 is an exploded view of a rear wheel monorocker assembly of a straddle electric vehicle according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a motor in an embodiment of the present invention;
FIG. 5 is a schematic structural view of a rear wheel in an embodiment of the present invention;
FIG. 6 is a schematic structural view of a rear fork in an embodiment of the present invention;
FIG. 7 is a schematic structural view from another perspective of a rear fork in an embodiment of the present invention;
The numbers in the figures are as follows: 01. a frame main body; 11. a main frame tube A; 12. a main frame tube B; 13. a frame vertical tube; 14. a frame horizontal tube; 15. reinforcing metal plates; 02. a rear chain stay (single-sided rear chain stay); 21. a motor mounting position; 22. a main yoke; 23. a slave yoke; 24. a cross yoke; 25. a rear bottom fork reinforcing bracket; 26. a reinforcing pipe is arranged on the rear bottom fork; 03. a motor; 04. a rear wheel; 41. a rear wheel body; 42. an eccentric wheel; 43. a belt pulley mounting seat; 44. a disc brake mechanism; 441. a disc brake disc; 442. a disc brake caliper; 443. a disc brake caliper fixing bracket; 444. the disc brake caliper is connected with the fixed bracket in a switching way; 05. a shock absorber; 06. a belt pulley; 07. a belt; 08. a shock absorber mounting bracket; 09. a flat fork shaft reinforcing tube; 010. a horizontal fork shaft; 011. a bottom fork shaft nut; 012. a bottom fork shaft sleeve; 013. m10 hex head bolt; 014. an M10 nut; 015. m8 hexagon socket head cap screw; 016. m10 hexagon socket head cap screw; 017. an M6 bolt; 018. m6 hexagon socket head cap screw; 019. the motor is provided with an end cover.
Detailed Description
The technical solution of the present invention will be further clearly and specifically described below with reference to the embodiments and the accompanying drawings.
Examples
As shown in fig. 1 to 7: the invention provides a single rocker arm assembly of a rear wheel of a straddle electric vehicle, which comprises a frame main body 01, a rear bottom fork 02, a motor 03 and a rear wheel 04, the rear bottom fork 02 is a single-side rear bottom fork, the front end of the single-side rear bottom fork 02 is connected with the lower part of the rear end of the frame main body 01, the front part of the single-side rear bottom fork 02 is provided with a motor mounting position 21 for accommodating a motor 03, the motor 03 is detachably mounted on the motor mounting position 21, the rear end of the single-side rear bottom fork 02 extends towards the rear wheel 04 and is detachably mounted on one side of the rear wheel 04, a shock absorber 05 is connected between the single-side rear bottom fork 02 and the frame main body 01, a belt pulley 06 is arranged at one side of the rear wheel 04 connected with the single-side rear bottom fork 02, the belt pulley 06 is located on the outer side of the single-side rear bottom fork 02, a belt 07 is arranged in the belt pulley 06, and the belt 07 bypasses the belt pulley 6 and is connected with the motor 3.
Referring to fig. 1 to 3, in this embodiment, the frame body 01 includes two main frame tubes a11 disposed opposite to each other on the left and right, an upper end of the main frame tube a11 extends rearward and upward and is connected to a main frame tube B12, a vertical frame tube 13 is connected between the main frame tube a11 and the main frame tube B12, a horizontal frame tube 14 is connected between the vertical frame tubes 13, and the shock absorber 05 is disposed between the horizontal frame tube 14 and the motor mounting location 21. The main frame pipe A11, the main frame pipe B12 and the frame vertical pipe 13 are respectively arranged in a bilateral symmetry manner, so that the overall balance of the device is ensured. When the shock absorber is installed, the main frame pipe A11, the main frame pipe B12, the frame vertical pipe 13 and the frame transverse pipe 14 are welded to form a frame main body, and then the shock absorber 05 is installed between the frame transverse pipe 14 and the motor installation position 21. In addition, the lower part of the main frame pipe a11 is provided with a reinforcing sheet metal 15 to reinforce the whole firm stability of the frame main body 01, and the reinforcing sheet metal 15 can be directly welded on the lower part of the main frame pipe a11 during installation.
Further, a shock absorber mounting bracket 08 is arranged on the frame transverse tube 14, the upper end of the shock absorber mounting bracket 08 is connected with the middle of the frame transverse tube 14, the lower end of the shock absorber mounting bracket 08 is connected with the middle of the motor mounting position 21, and the shock absorber 05 is axially arranged on the shock absorber mounting bracket 08. During installation, the shock absorber mounting bracket 08 is directly welded on the frame transverse tube 14, and then the shock absorber 05 is axially arranged on the shock absorber mounting bracket 08.
In addition, the lower part of the main frame pipe A11 is provided with a reinforcing sheet metal 15 to reinforce the overall stability of the frame main body 1, and the reinforcing sheet metal 15 can be directly welded on the lower part of the main frame pipe A11 during installation.
the front end of the unilateral rear bottom fork 02 is connected with a bottom fork shaft reinforcing pipe 09 between the reinforcing metal plates 15, a bottom fork shaft 010 is axially sleeved in the bottom fork shaft reinforcing pipe 09, the front end of the unilateral rear bottom fork 02 is connected with the frame main body 01 through the bottom fork shaft 010, the bottom fork shaft reinforcing pipe 09 can be welded between the reinforcing metal plates 15 during installation, a bottom fork shaft 010 is axially arranged in the bottom fork shaft reinforcing pipe 09 and is fixed through a fastener (for example, a bottom fork shaft nut 011), and then the two ends of the front end of the unilateral rear bottom fork 02 are respectively connected with the two ends of the bottom fork shaft 010, so that the front end of the unilateral rear bottom fork 02 can be connected with the frame main body 1.
In addition, the left and right ends of the bottom fork shaft 010 are provided with bottom fork shaft sleeves 012 to strengthen the firmness of connection between the bottom fork shaft 010 and the single-side rear bottom fork 02, when the bottom fork shaft 010 is installed, the front end of the single-side rear bottom fork 02 is connected with the frame main body 1 through a bottom fork shaft reinforcing tube 09, the bottom fork shaft 010 and the bottom fork shaft sleeves 012, and in addition, the bottom fork shaft sleeves 012 are fixed through fasteners (for example, M10 hexagon socket head cap screw 013 and M10 nut 014) in order to ensure the firmness of connection. The design ensures the firmness of connection between the single-side rear bottom fork 02 and the frame main body 1, and the single-side rear bottom fork 02 and the frame main body 1 are detachably connected, so that the assembly, disassembly and maintenance are convenient.
Referring to fig. 1, 2, 3, 6 and 7, in this embodiment, the single-sided chain stay 02 includes a main yoke 22 and a secondary yoke 23 that are oppositely disposed left and right, a cross yoke 24 is connected between the main yoke 22 and the secondary yoke 23, one end of the cross yoke 24 is connected to a middle front portion of the main yoke 22, and the other end is connected to a rear portion of the secondary yoke 23, the main yoke 22, the secondary yoke 23 and the cross yoke 24 form a motor mounting position 21 for accommodating a motor 03 at a front portion of the single-sided chain stay 02, front ends of the main yoke 22 and the secondary yoke 23 are detachably connected to the frame main body 01, respectively, and a rear end of the main yoke 22 extends in a direction of the rear wheel 04 and is detachably mounted to one side of the rear wheel 04. The main fork arm 22, the auxiliary fork arm 23 and the cross fork arm 24 are detachably connected for disassembly and maintenance. Specifically, during installation, the cross arm 24 is detachably connected to the main arm 22 by a fastener (e.g., M8 hexagon socket head cap screw 015), and then the sub arm 23 is detachably connected to the cross arm 24 by a fastener (e.g., M10 hexagon socket head cap screw 016), so that the main arm 22, the sub arm 23 and the cross arm 24 form a single-sided chain stay 02.
When the single-side rear bottom fork 02 comprises the main fork arm 22, the auxiliary fork arm 23 and the transverse fork arm 24, the front end of the single-side rear bottom fork 02 is connected with the lower part of the rear end of the frame main body 01, namely the front ends of the main fork arm 22 and the auxiliary fork arm 23 are connected with the lower part of the rear end of the frame main body 01; the lower end of the shock absorber mounting bracket 08 is connected with the middle part of the motor mounting position 21, namely the lower end of the shock absorber mounting bracket 08 is connected with the middle part of the cross fork arm 24, the middle part of the cross fork arm 24 can be provided with a mounting position matched with the shock absorber mounting bracket 08, and when the shock absorber mounting bracket 08 is mounted, the lower end of the shock absorber mounting bracket 08 is detachably connected with the middle part of the cross fork arm 24 through fasteners (such as M10 outer hexagon bolts 013 and M10 nuts 014) so that the single-side rear bottom fork 02 can be detachably connected with the frame main body 01 and the shock absorber 05 respectively, and the single-side rear bottom fork 02 can be mounted and maintained conveniently; the rear end of the single-side rear bottom fork 02 is mounted on one side of the rear wheel 04, that is, the rear end of the main fork arm 22 is mounted on one side of the rear wheel 04.
In addition, as shown in fig. 3, 6 and 7, a rear fork reinforcing bracket 25 is provided at a position close to the cross arm 24 on the inner side wall of the main yoke 22 to reinforce the overall strength of the rear fork 02, and the rear fork reinforcing bracket 25 can be detachably mounted on the main yoke 22 by a fastener (e.g., M6 bolt 017) when mounted.
Furthermore, unilateral rear bottom fork 02 still includes rear bottom fork installation reinforcing tube 26, rear bottom fork installation reinforcing tube 26's both ends link to each other with main yoke 22 and follow yoke 23 respectively, and during the installation, follow yoke 23 and install the back on horizontal yoke 24, rethread rear bottom fork installation reinforcing tube 26 further strengthens the firmness that main yoke 22 and follow yoke 23 are connected, strengthens the holistic firmness of unilateral rear bottom fork 02, and accessible fastener (for example, M6 hexagon socket head cap screw 018) is fixed in rear bottom fork installation reinforcing tube 26 on main yoke 22 and follow yoke 23 simultaneously.
Referring to fig. 1 to 3, motor mounting end covers 019 are respectively disposed at the left and right ends of the motor 03, and the motor mounting end covers 31 are connected to the inner side wall of the motor mounting position 21. During installation, the motor installation end covers 019 are respectively installed at the left end and the right end of the motor 03 through fasteners (for example, M6 hexagon socket head cap screw 018), then the belt 07 can be sleeved on the motor 03, and then the motor 03 is integrally installed on the motor installation position 21 of the single-side rear bottom fork 02 through the fasteners (for example, M6 hexagon socket head cap screw 018), so that the motor 03 can be detachably installed on the single-side rear bottom fork 02, and the motor 03 can be conveniently disassembled and maintained.
Referring to fig. 1, 2, 3 and 5, the rear wheel 04 comprises a rear wheel shaft (not marked) and a rear wheel body 41 sleeved outside the rear wheel shaft, an eccentric wheel 42 is arranged on one side of the rear wheel body 41 close to the single-side rear bottom fork 02, the eccentric wheel 43 is sleeved outside the rear wheel shaft, the rear end of the single-side rear bottom fork 02 is sleeved on the eccentric wheel 43, the tightness of the rear wheel 04 can be adjusted through the eccentric wheel 43, the conveying stability of a belt 07 matched with the rear wheel 04 is further effectively guaranteed, and the integral movement stability of the electric vehicle is guaranteed.
Correspondingly, for the mounting of the belt 07, a belt pulley mounting seat 43 is provided on the rear wheel axle, said belt pulley mounting seat 43 being located on the side of the eccentric 42 remote from the rear wheel body 41. When the belt is installed, the rear wheel 04 is installed on the single-side rear bottom fork 02 (specifically, installed at the rear end of the main fork arm 22), the belt 07 is sleeved in the belt pulley 06, and then the belt pulley 06 is installed on the belt pulley installation seat 43 through a fastener (for example, M6 hexagon socket head cap screw 018).
In addition, in order to ensure the overall operation safety of the electric vehicle, a brake mechanism may be disposed on the rear wheel 04 to enable the rear wheel 04 to have a brake function, in this embodiment, as shown in fig. 3 and 5, a disc brake mechanism 44 is disposed on the rear wheel shaft, the disc brake mechanism includes a disc brake disc 441, a disc brake caliper 442, a disc brake caliper fixing bracket 443 and a disc brake caliper transferring fixing bracket 444, the disc brake disc 441 is sleeved on the rear wheel shaft and located between the rear wheel body 41 and the eccentric wheel 42, the disc brake caliper fixing bracket 443 is sleeved on one side of the eccentric wheel 43 facing the disc brake disc 441, the disc brake caliper 442 is disposed on the disc brake caliper fixing bracket 443 and contacts with the outer edge of the disc brake disc 441, one end of the disc brake caliper transferring bracket 444 is connected to the disc brake caliper fixing bracket 443, and the other end is connected to the single-sided rear flat fork 02 (specifically connected to the rear portion of the main fork arm 22), so that the disc brake caliper 442 is connected to the single-sided rear flat fork through the disc brake caliper fixing bracket 443 and the The forks 02 are connected. When the brake disc brake caliper 442 is used, the brake disc brake caliper 442 can be connected with a handlebar of an electric vehicle through an oil line pipe, so that rear wheel braking is achieved through the handlebar, the brake disc brake 442 and the brake disc 441, and driving safety is effectively guaranteed.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a straddle type electric motor car rear wheel list rocker assembly, includes frame main part, back chain stay, motor and rear wheel, its characterized in that: the rear bottom fork is unilateral rear bottom fork, the front end of unilateral rear bottom fork links to each other with the rear end lower part of frame main part, the front portion of unilateral rear bottom fork is equipped with the motor installation position that is used for holding the motor, motor detachable installs on motor installation position, the rear end of unilateral rear bottom fork extends and detachable installs in one side of rear wheel to the rear wheel direction, just be connected with the bumper shock absorber between unilateral rear bottom fork and the frame main part, the belt pulley is installed to one side that the rear wheel links to each other with unilateral rear bottom fork, the belt pulley is located the outside of unilateral rear bottom fork, be equipped with the belt in the belt pulley, the belt is walked around the belt pulley and is linked to each other with the motor.
2. The straddle-type electric vehicle rear wheel single rocker assembly according to claim 1, wherein: the frame main part includes two main frame pipe A that control relative setting, main frame pipe A's upper end is extended to the back top and is connected with main frame pipe B, be connected with the frame standpipe between main frame pipe A and the main frame pipe B, be connected with the frame between the frame standpipe and violently manage, the bumper shock absorber is located the frame and is violently managed and motor installation position between.
3. the straddle-type electric vehicle rear wheel monorocker assembly of claim 2, wherein: the shock absorber mounting structure is characterized in that a shock absorber mounting bracket is arranged on the transverse tube of the frame, the upper end of the shock absorber mounting bracket is connected with the middle part of the transverse tube of the frame, the lower end of the shock absorber mounting bracket is connected with the middle part of the motor mounting position, and the shock absorber is axially arranged on the shock absorber mounting bracket.
4. The straddle-type electric vehicle rear wheel monorocker assembly of claim 2, wherein: and a reinforcing metal plate is arranged at the lower part of the main frame pipe A.
5. The straddle-type electric vehicle rear wheel monorocker assembly of claim 4, wherein: the fork shaft reinforcing pipe is connected between the reinforcing metal plates, the fork shaft is axially sleeved in the fork shaft reinforcing pipe, and the front end of the single-side rear fork is connected with the frame main body through the fork shaft.
6. The straddle-type electric vehicle rear wheel single rocker assembly according to claim 1, wherein: unilateral back chain stay is including controlling the main yoke and the follow yoke that relative set up, main yoke and follow and be connected with horizontal yoke between the yoke, the one end of horizontal yoke links to each other with the well front portion of main yoke, and the other end links to each other with the rear portion from the yoke, main yoke, follow yoke, horizontal yoke form the motor installation position that is used for holding the motor in the front portion of unilateral back chain stay, the front end of main yoke and follow yoke can be dismantled with the frame main part respectively and be connected, the rear end of main yoke extends and detachable installs in one side of rear wheel to the rear wheel direction.
7. The straddle-type electric vehicle rear wheel monorocker assembly of claim 6, wherein: and a rear bottom fork reinforcing bracket is arranged at the position, close to the transverse fork arm, of the inner side wall of the main fork arm.
8. The straddle-type electric vehicle rear wheel monorocker assembly of claim 6, wherein: the unilateral rear bottom fork comprises a rear bottom fork installation reinforcing pipe, and two ends of the rear bottom fork installation reinforcing pipe are respectively connected with the main fork arm and the auxiliary fork arm.
9. the straddle-type electric vehicle rear wheel single rocker assembly according to claim 1, wherein: the rear wheel comprises a rear wheel shaft and a rear wheel body sleeved outside the rear wheel shaft, an eccentric wheel is arranged on one side, close to the single-side rear bottom fork, of the rear wheel body, the eccentric wheel is sleeved outside the rear wheel shaft, and the rear end of the single-side rear bottom fork is sleeved on the eccentric wheel.
10. The straddle-type electric vehicle rear wheel monorocker assembly of claim 9, wherein: the rear wheel shaft is provided with a belt pulley mounting seat, and the belt pulley mounting seat is positioned on one side of the eccentric wheel, which is far away from the rear wheel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910894648.0A CN110562374A (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel single rocker assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910894648.0A CN110562374A (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel single rocker assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110562374A true CN110562374A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910894648.0A Pending CN110562374A (en) | 2019-09-20 | 2019-09-20 | Straddle type electric vehicle rear wheel single rocker assembly |
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| Country | Link |
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| CN (1) | CN110562374A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276992A (en) * | 2020-01-31 | 2021-08-20 | 本田技研工业株式会社 | Electric vehicle and drive unit |
| CN115339563A (en) * | 2022-07-27 | 2022-11-15 | 江苏炬瑞车辆科技有限公司 | Large-displacement motorcycle rear wheel damping single rocker arm assembly structure |
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| CN113276992A (en) * | 2020-01-31 | 2021-08-20 | 本田技研工业株式会社 | Electric vehicle and drive unit |
| CN113276992B (en) * | 2020-01-31 | 2022-11-15 | 本田技研工业株式会社 | Electric vehicle and drive unit |
| WO2023045018A1 (en) * | 2021-09-24 | 2023-03-30 | 浙江阿波罗摩托车制造有限公司 | Coaxial fixing structure of motor, frame and rear fork |
| CN115339563A (en) * | 2022-07-27 | 2022-11-15 | 江苏炬瑞车辆科技有限公司 | Large-displacement motorcycle rear wheel damping single rocker arm assembly structure |
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