CN214189931U - Rear-drive electric scooter - Google Patents
Rear-drive electric scooter Download PDFInfo
- Publication number
- CN214189931U CN214189931U CN202022557573.8U CN202022557573U CN214189931U CN 214189931 U CN214189931 U CN 214189931U CN 202022557573 U CN202022557573 U CN 202022557573U CN 214189931 U CN214189931 U CN 214189931U
- Authority
- CN
- China
- Prior art keywords
- girder
- electric scooter
- wheel
- drive electric
- wheels
- 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.)
- Active
Links
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Images
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model discloses an electronic car of riding instead of walk of back-drive formula, including girder subassembly and wheel, the wheel includes front wheel and two rear wheels, the front wheel sets up in girder subassembly front side bottom, the rear wheel sets up in the rear of girder subassembly, the coaxial setting of two rear wheels, its characterized in that: a driving mechanism for driving each rear wheel to rotate is arranged between the two rear wheels, so that the rear wheels become driving wheels to form the rear-drive electric scooter. Compared with the prior art, the utility model has the advantages of: the rear wheels are used as driving wheels, the gravity center moves backwards, the gripping force of the rear wheels as the driving wheels is enhanced, the vehicle is favorable for starting, accelerating or climbing, and better driving stability and comfort are provided; through set up the structure of guide wiring between actuating mechanism and power module, can make the wire trend confirm, avoid the drunkenness.
Description
Technical Field
The utility model relates to an electric scooter, especially back drive type electric scooter.
Background
The electric scooter for old people and disabled people is produced by assembling motor, speed variator, steering unit, accumulator, wheels, automatic auxiliary starting system and other key components onto frame in balanced mode.
The current electric scooter is generally in a front-driving type. The electric scooter disclosed in the chinese patent application No. 201620726776.6 comprises a frame, a rear wheel mechanism and a front driving wheel mechanism, wherein the rear wheel mechanism comprises a horizontal connecting shaft rotatably arranged at the bottom of the rear side of the frame, two turning plates respectively fixedly arranged at two ends of the horizontal connecting shaft, rear universal wheels respectively fixedly arranged at the lower parts of the turning plates, and a switching rod fixedly connected with the horizontal connecting shaft for driving the horizontal connecting rod to rotate so as to drive the turning plates to turn and switch the position state; a limiting mechanism is arranged between the turning plate and the base of the frame to keep a backward turning state.
The scooter has the following problems: 1) because the driving wheel is arranged at the front part of the vehicle, the counterweight at the rear part of the vehicle is lighter, and the rear wheel easily loses the grip force, especially on a wet and slippery road surface; 2) steering insufficiency: because the front wheels simultaneously have the functions of steering and driving, the front wheels have the problem of insufficient steering and are easy to lose control or deviate; 3) because the front wheels simultaneously take on the functions of steering and driving, the wear of the front wheels is more serious, and the riding comfort is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide an electronic car of riding instead of walk of back drive formula, can improve the stability and the travelling comfort of traveling.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an electronic car of riding instead of walk of back drive formula, includes girder subassembly and wheel, the wheel includes front wheel and two rear wheels, the front wheel sets up in girder subassembly front side bottom, the rear wheel sets up in the rear of girder subassembly, two coaxial settings of rear wheel, its characterized in that: a driving mechanism for driving each rear wheel to rotate is arranged between the two rear wheels, so that the rear wheels become driving wheels to form the rear-drive electric scooter.
Preferably, the driving mechanism includes a motor body and output shafts having two and respectively provided at both ends of the motor body, each output shaft extending from the motor body to the rear wheel of the corresponding side and being connected with the rear wheel.
In order to further stably drive the rear wheels and avoid deviation, the output shafts and the rear wheels are coaxially arranged, a shaft sleeve is arranged in the center of each rear wheel, and each output shaft is connected with the corresponding shaft sleeve.
In order to facilitate the arrangement of the driving mechanism, the rear-drive electric scooter further comprises a mounting bracket, and the driving mechanism and the girder assembly are fixedly mounted by the mounting bracket.
Preferably, in order to make the driving mechanism stable and further enhance the stability of the rear wheel driving, the mounting bracket comprises a cross beam and two support shafts, the cross beam is located above the driving mechanism, the cross beam is fixedly connected with the driving mechanism, one end of each support shaft is connected with one end of the cross beam, and the other end of each support shaft is connected with each other and fixedly connected with the girder assembly.
In order to supply power to the driving mechanism conveniently, the girder assembly comprises a front girder and a rear girder arranged on the rear side of the front girder, a pedal is formed at the top of the front girder, the front girder is hollow and is internally provided with a power module, and the driving mechanism is electrically connected with the power module through a lead.
For the guide wiring, avoid the wire drunkenness, the rear side of back girder is opened and is equipped with first line hole, the front side of back girder is opened and is equipped with the second line hole, the rear side of preceding girder is opened and is equipped with the third line hole, the wire passes first line hole, second line hole and third line hole in proper order from actuating mechanism and enters into preceding girder in and be connected with the power module electricity.
For further guide wiring, the rear girder comprises a girder body, a groove which is sunken downwards is formed in the girder body, the first wire hole and the second wire hole are formed in the side wall of the girder body and correspond to the front end and the rear end of the groove respectively, and the wire extends to the second wire hole from the first wire hole along the groove.
In order to further avoid the wire from moving, a support frame is arranged above the beam body and extends to the upper part of the groove.
The front girder and the rear girder are connected in a folding mode, so that the front girder and the rear girder are convenient to transport and store.
Compared with the prior art, the utility model has the advantages of: the rear wheels are the driving wheels, the gravity center moves backwards, the gripping force of the rear wheels as the driving wheels is enhanced, the vehicle starting and accelerating are facilitated, the climbing capacity is better under the same power consumption, and the driving stability and the comfort level are better; through set up the structure of guide wiring between actuating mechanism and power module, can make the wire trend confirm, avoid the drunkenness.
Drawings
Fig. 1 is a schematic view of an electric scooter according to an embodiment of the present invention;
fig. 2 is a schematic view (different from fig. 1) of an electric scooter according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 2;
fig. 4 is a partial top view of the electric scooter of the present invention (with the front handle bar and seat hidden);
FIG. 5 is an enlarged view of portion II of FIG. 4;
fig. 6 is a cross-sectional view of the rear frame and the mounting bracket of the electric scooter according to the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.
In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 and 2, a rear-drive electric scooter comprises a front handle bar 1, a front frame 2, a rear frame 3, a seat 4 and wheels, wherein the front handle bar 1 is arranged at the front end of the front frame 2, and the seat 4 is arranged above the rear frame 3. The front girder 2 and the rear girder 3 both extend in the transverse direction, and the front girder 2 is disposed at the front side of the rear girder 3. Preferably, the front girder 2 and the rear girder 3 are horizontal or nearly horizontal. The front girder 2 and the rear girder 3 constitute a girder assembly.
Referring to fig. 2 to 6, the wheels include a front wheel 51 provided at a bottom end of the front girder 2 and two rear wheels 52 provided behind the rear girder 3, the front wheel 51 being preferably provided at a front-side bottom end of the front girder 2. The two rear wheels 52 are juxtaposed, and the rotational shafts of the two rear wheels 52 are on the same axis, i.e., the two rear wheels 52 are coaxially disposed. The distance between the two rear wheels 52 is preferably greater than the width of the rear frame 3, where the width is the dimension in the left-right direction when the user rides the walker.
A drive mechanism 53 is provided between the two rear wheels 52, the drive mechanism 53 being a motor in the present embodiment. The drive mechanism 53 includes a motor body 531 and an output shaft 532, and since the rear wheel 52 has two, the drive mechanism 53 is a dual output shaft motor. The motor main body 531 is located between the two rear wheels 52, and the output shaft 532 and the rotational shafts of the rear wheels 52 are located on the same axis. Each output shaft 532 extends from the motor body 531 to the rear wheel 52 on the corresponding side. A hub 521 is provided at the center of each rear wheel 52, and an output shaft 532 is connected to the hub 521, so that the rear wheel 52 becomes a driving wheel. When the motor body 531 is started, the output shaft 532 starts to rotate, and the rear wheel 52 can be driven to rotate through the shaft sleeve 521, so that the scooter advances.
In order to provide the driving mechanism 53, the rear-drive electric scooter further comprises a mounting bracket 6, wherein the mounting bracket 6 comprises a cross beam 61 and two fulcrum shafts 62, and the cross beam 61 is positioned above the driving mechanism 53 and can extend in the same direction as the axial direction of the motor body 531. The cross beam 61 may be connected and fixed to two axial ends of the motor body 531 (i.e., two ends where the output shaft 532 is disposed), for example, may be sleeved on the outer periphery of the end of the motor body 531 and fixed by screws. One end of each fulcrum 62 is connected to one end of the cross member 61, and the other end of each fulcrum 62 is connected to each other and fixed to the rear frame 3, so that the cross member 61 and the fulcrum 62 form a triangle-like structure, which makes the arrangement of the driving mechanism 53 stable, and also makes the operation of the rear wheel 52 stable.
The front frame 2 is hollow, a power module 7 is provided therein, and a pedal 21 is formed on the top of the front frame 2 to allow a user to place his or her feet thereon when sitting thereon. Since a display screen, a lighting device, and the like are generally required to be provided on the front handle bar 1, the power module 7 is provided in the front side member 2. In order to supply power to the driving mechanism 53, a wire 8 is connected between the driving mechanism 53 and the power module 7, and the wire 8 may include a power line, a control line and the like. The rear side of rear girder 3 is opened and is equipped with first line hole 31, and the front side of rear girder 3 is opened and is equipped with second line hole 32, and the rear side of front girder 2 is opened and is equipped with third line hole 22, and wire 8 extends from motor body 531, penetrates in rear girder 3 from first line hole 31 to wear out rear girder 3 from second line hole 32, and then enter into front girder 2 through third line hole 22 in, finally be connected with power module 7 electricity, thereby can realize actuating mechanism 53's power supply. The first wire hole 31, the second wire hole 32, and the third wire hole 22 define an extending locus of the wire 8, whereby the wire 8 is prevented from being entangled or interfering with other components in the front and rear girders 2, 3.
A control module may be provided in the front side member 2, and the drive mechanism 53 and the control module may be electrically connected through a wire 8.
The rear girder 3 comprises an annular beam body 33 and a support frame 34, wherein the beam body 33 can be a closed loop or a partial structure of the closed loop and is spliced into an annular shape after being fixed with the mounting bracket 6. Alternatively, the beam 33 may have other shapes, and it is sufficient to have sufficient strength to mount the seat 4 and the mounting bracket 6. The support frame 34 is disposed on the top of the beam 33 and is connected and fixed with the beam 33, so as to reinforce the strength of the beam 33, and the support frame 34 may be in a grid shape. Part of the support shaft 62 of the mounting bracket 6 extends into the rear side member 3 and is located below the support bracket 34. A recess 35 is formed in the beam 33 to be recessed downward, and the first line hole 31 and the second line hole 32 are opened in the side wall of the beam 33 and correspond to the front and rear ends of the recess 35, respectively. The wire 8 may extend along the groove 35 from the first wire hole 31 to the second wire hole 32. In order to facilitate the extension of the wire 8 between the rear girder 3 and the front girder 2 while avoiding twisting, the first wire hole 31, the second wire hole 32 and the third wire hole 22 are preferably arranged on the same line or approximately the same line, and the power module 7 is disposed in the front girder 2 adjacent to the first wire hole 21. The support frame 34 extends above the groove 35 and also serves as a wire pressing device to prevent the wire 8 from moving upwards.
The front girder 2 and the rear girder 3 can be in a folding design, so that the electric scooter is folded to reduce the size and facilitate transportation or storage. For this reason, the wire 8 needs to have a certain redundancy to avoid the wire 8 from being pulled apart. The above-described string holes, grooves 35, ensure that the conductor 8 is protected from kinking or interference in the case of redundancy.
The wiring manner of the wires 8 is only partially exposed to the outside, and the overall appearance can be neater.
The rear girder 3 may further include a cover plate 36 covering the upper portion of the support bracket 34, and the cover plate 36 may be in a flat plate shape, so that the overall appearance is beautiful, the internal structure of the rear girder 3 is prevented from being exposed, and the cleaning is facilitated.
Claims (10)
1. The utility model provides an electronic car of riding instead of walk of back drive formula, includes girder subassembly and wheel, the wheel includes front wheel (51) and two rear wheels (52), front wheel (51) set up in girder subassembly front side bottom, rear wheel (52) set up in the rear of girder subassembly, two coaxial settings of rear wheel (52), its characterized in that: a driving mechanism (53) for driving each rear wheel (52) to rotate is arranged between the two rear wheels (52), so that the rear wheels (52) become driving wheels to form the rear-drive electric scooter.
2. The rear drive electric scooter of claim 1, wherein: the drive mechanism (53) includes a motor body (531) and output shafts (532), the output shafts (532) having two and being respectively provided at both ends of the motor body (531), each output shaft (532) extending from the motor body (531) to a corresponding side rear wheel (52) and being connected to the rear wheel (52).
3. The rear drive electric scooter of claim 2, wherein: the output shaft (532) and the rear wheels (52) are coaxially arranged, a shaft sleeve (521) is arranged in the center of each rear wheel (52), and each output shaft (532) is connected with the corresponding shaft sleeve (521).
4. The rear drive electric scooter according to any one of claims 1 to 3, wherein: the rear-drive electric scooter further comprises a mounting bracket (6), and the driving mechanism (53) and the girder assembly are fixedly mounted on the mounting bracket (6).
5. The rear drive electric scooter of claim 4, wherein: the mounting bracket (6) comprises a cross beam (61) and two fulcrum shafts (62), the cross beam (61) is positioned above the driving mechanism (53), the cross beam (61) is fixedly connected with the driving mechanism (53), one end of each fulcrum shaft (62) is connected with one end of the cross beam (61), and the other end of each fulcrum shaft (62) is connected with each other and fixedly connected with the girder assembly.
6. The rear drive electric scooter according to any one of claims 1 to 3, wherein: girder subassembly includes preceding girder (2) and sets up back girder (3) in preceding girder (2) rear side, the top of preceding girder (2) constitutes footboard (21), preceding girder (2) are the cavity form and inside is provided with power module (7), through wire (8) electricity connection between actuating mechanism (53) and power module (7).
7. The rear drive electric scooter of claim 6, wherein: rear frame's (3) rear side is opened and is equipped with first line hole (31), rear frame's (3) front side is opened and is equipped with second line hole (32), front frame's (2) rear side is opened and is equipped with third line hole (22), wire (8) are passed first line hole (31), second line hole (32) and third line hole (22) in proper order from actuating mechanism (53) and are entered into in front frame (2) and are connected with power module (7) electricity.
8. The rear drive electric scooter of claim 7, wherein: rear frame (3) include roof beam body (33), be formed with recess (35) of undercut in the roof beam body (33), first line hole (31) and second line hole (32) are seted up on the lateral wall of roof beam body (33) and correspond the front and back both ends of recess (35) respectively, wire (8) extend to second line hole (32) along recess (35) from first line hole (31).
9. The rear drive electric scooter of claim 8, wherein: a supporting frame (34) is arranged above the beam body (33), and the supporting frame (34) extends to the position above the groove (35).
10. The rear drive electric scooter of claim 6, wherein: the front girder (2) and the rear girder (3) are connected in a folding manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022557573.8U CN214189931U (en) | 2020-11-06 | 2020-11-06 | Rear-drive electric scooter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022557573.8U CN214189931U (en) | 2020-11-06 | 2020-11-06 | Rear-drive electric scooter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214189931U true CN214189931U (en) | 2021-09-14 |
Family
ID=77644628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022557573.8U Active CN214189931U (en) | 2020-11-06 | 2020-11-06 | Rear-drive electric scooter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214189931U (en) |
-
2020
- 2020-11-06 CN CN202022557573.8U patent/CN214189931U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108852663B (en) | Electric wheelchair | |
CN105857478A (en) | Herringbone foldable electric bike | |
CN214189931U (en) | Rear-drive electric scooter | |
CN210581366U (en) | Electric luggage case | |
CN111891283A (en) | Novel electric scooter | |
JP2000043772A (en) | Motor assisted bicycle | |
CN205837067U (en) | Child pedal tricycle | |
JP2019189053A (en) | Electric vehicle | |
CN201049698Y (en) | Electric bicycle | |
CN105818910B (en) | A kind of electric vehicle of opposite synchronous folding | |
CN210581348U (en) | Electric luggage case | |
CN210821826U (en) | Carting car | |
CN214189927U (en) | Scooter | |
CN2871359Y (en) | Electric bicycle without front handlebar | |
CN207889908U (en) | A kind of folding scooter | |
CN212099213U (en) | Novel small-sized electric vehicle | |
CN2895217Y (en) | Integral folding electric bicycle | |
CN206067516U (en) | Electronic vista car | |
CN212921862U (en) | Dual drive system pivot structure of four-wheel electric vehicle | |
CN205837087U (en) | Portable simple electric motor bicycle with folding | |
CN219056480U (en) | Scooter | |
CN214565899U (en) | Three-wheel automatic bicycle | |
CN221498312U (en) | Wheelbarrow with display screen | |
CN221785553U (en) | Intelligent electric luggage case | |
CN219008026U (en) | Electric bicycle frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rear wheel drive electric scooter Effective date of registration: 20231128 Granted publication date: 20210914 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Yinzhou Branch Pledgor: Ningbo luxiaobai Intelligent Technology Co.,Ltd. Registration number: Y2023980067814 |