CN109131686B - Vertical folding electric bicycle - Google Patents
Vertical folding electric bicycle Download PDFInfo
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- CN109131686B CN109131686B CN201810776563.8A CN201810776563A CN109131686B CN 109131686 B CN109131686 B CN 109131686B CN 201810776563 A CN201810776563 A CN 201810776563A CN 109131686 B CN109131686 B CN 109131686B
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- rod
- connecting rod
- sleeve
- handlebar
- hinged
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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
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
- B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes
Abstract
The invention relates to the technical field of electric bicycles, in particular to a vertical folding electric bicycle, which comprises a front frame, wherein a rod-shaped section bar which is transversely arranged along the direction of the length of the bicycle is rotatably connected above the front frame; the rear frame is hinged below the rear end of the rod-shaped section bar, so that the front frame and the rear frame can move towards each other to be folded; a connecting rod mechanism is arranged between the front frame and the rear frame; the rear frame comprises supporting legs, and the supporting legs are used for being matched with the front wheel and the rear wheel to form a three-point standing support when the electric bicycle is folded and unfolded; according to the invention, the rear frame is hinged on the rod-shaped section bar, and the connecting rod mechanism is arranged between the front frame and the rear frame, so that after the rod-shaped section bar is folded in place, the rod-shaped section bar is locked and fixed through the first locking mechanism on the connecting rod mechanism, at the moment, the supporting foot can still be used continuously, and the three-point standing support is formed by the supporting foot, the front wheel and the rear wheel, so that the folded electric bicycle can still stand by itself without being folded and placed.
Description
Technical Field
The invention relates to the technical field of electric bicycles, in particular to a vertical folding electric bicycle.
Background
The common bicycle is a main tool for people to ride instead of walk by virtue of the characteristics of small volume, light weight, low price, convenience and quickness. China also has a large population and once becomes a big country for bicycle use. With the development of the times and the enhancement of environmental awareness of people, the electric bicycle is more and more favored by people as a pollution-free, noise-free, light and energy-saving vehicle. After breakthrough in the aspect of key technology and continuous improvement of the performance of the electric bicycle, the electric bicycle becomes a substitute product for motor vehicles and traditional bicycles, and the market demand for the electric bicycle is continuously stimulated. In order to make electric bicycle's carry more convenient, so derived folding electric bicycle, but folding electric bicycle's among the prior art folding part often is the frame, each part can lose the supporting role when expanding after the frame is folding, consequently has to adopt the mode of placing of standing down after folding, area is great, be unfavorable for accomodating, and need stand the bicycle earlier and just can correctly expand after adjusting the position when expanding, folding process is comparatively loaded down with trivial details, in order to solve the problem that exists among the prior art, people have carried out long-term exploration, various solutions have been proposed.
For example, chinese patent application No. 201410326210.X discloses a fast folding structure of an electric vehicle or a bicycle, which comprises a front frame, a saddle pipe, a connecting plate, a first front connecting rod hinged with the connecting plate, and a rear frame hinged with the connecting plate, and is characterized in that: a self-locking connecting rod is arranged, the upper end of the self-locking connecting rod is hinged and linked with the rear end of the first front connecting rod, and the lower end of the self-locking connecting rod is hinged and linked with the front end of the rear frame; the hinge point of the first front connecting rod and the connecting plate is positioned at the front end of the connecting plate, the hinge point of the rear frame and the connecting plate is positioned at the lower end of the connecting plate, and the connecting line of the hinge point at the front end and the hinge point at the lower end is a motion critical line; when the hinge point at the upper end of the self-locking connecting rod moves to the rear side of the motion critical line, the folding structure is folded and locked; when the upper end hinge point of the self-locking connecting rod moves to the front side of the motion critical line, the folding structure is unlocked and unfolded. The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the structure is complicated, the supporting point for standing and supporting is not arranged after the folding, the occupied area is large, and the folding is complicated.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a vertical folding electric bicycle, which can be folded quickly to facilitate the storage and carrying of the folding electric bicycle, and can be unfolded quickly again to facilitate the use of the folding electric bicycle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vertical folding electric bicycle comprises a front frame, wherein a rod-shaped section bar which is transversely arranged along the direction of the length of the bicycle is rotatably connected above the front frame;
the rear frame comprises mounting parts for the rear wheels and the power supply and is hinged below the rear end of the rod-shaped section bar, so that the front frame and the rear frame can move towards each other to be folded;
a connecting rod mechanism is arranged between the front frame and the rear frame;
the connecting rod mechanism comprises a first connecting rod hinged with the front frame, a second connecting rod hinged with the rear frame and connecting plates hinged with the ends of the first connecting rod and the second connecting rod respectively, and first locking mechanisms for fixing the hinged positions are arranged beside the hinged positions of the first connecting rod and the connecting plates and beside the hinged positions of the second connecting rod and the connecting plates respectively;
the rear frame comprises supporting legs, and the supporting legs are used for being matched with the front wheel and the rear wheel to form a three-point standing support when the electric bicycle is folded and unfolded.
Preferably, the front frame comprises a front wheel bracket and a handlebar assembly arranged above the front wheel bracket, the front wheel bracket comprises a front fork and a steering rod extending upwards from the front fork, a front wheel is arranged below the front fork, and the upper end of the steering rod is fixedly connected with the handlebar support seat;
the left and right sides of the handlebar supporting seat extend upwards to form handlebar supporting feet, the handlebar supporting feet on the left and right sides are respectively hinged with a left handlebar and a right handlebar, the left handlebar and the right handlebar rotate to a vertical containing position and a transversely arranged unfolding position around respective hinged shafts, and the adjacent end parts of the left handlebar and the right handlebar are provided with external threads and are screwed and connected or disconnected by sleeves correspondingly provided with internal threads;
the steering rod is further provided with a sleeve which is coaxially arranged, the side wall of the sleeve extends backwards to form a first supporting vertical plate and a second supporting vertical plate which are parallel and arranged at intervals, and the end part of the first connecting rod is inserted between the first supporting vertical plate and the second supporting vertical plate and is fixed by a pin shaft.
The rear frame comprises a rear base, a rear connecting rod extends obliquely upwards from the front part of the rear base, and the overhanging end part of the rear connecting rod is hinged with the rod-shaped section bar;
the rear part of the rear base extends backwards to form a rear wheel support, a rear wheel is arranged below the rear wheel support, a hub motor is arranged in the center of the rear wheel and is powered by a power supply arranged on the rear base, a braking unit is further arranged on the rear wheel, and a control line of the braking unit is arranged along the rear connecting rod and the rod-shaped section bar and extends to the left handlebar or the right handlebar.
Preferably, the rear end of the rod-shaped section bar is hinged with one end of the cushion support stay bar, and a second locking mechanism is arranged at the end parts of the rod-shaped section bar and the cushion support stay bar to ensure that the cushion support stay bar is in a locking and fixing state of being in a straight unfolding position and being turned to a mutually parallel folding position with the rod-shaped section bar; the other end of the cushion supporting rod is provided with a cushion lifting rod, and the upper end of the cushion lifting rod is fixed with a cushion.
Preferably, the two ends of the connecting plate are provided with arc-shaped connecting holes, and the end parts of the first connecting rod and the second connecting rod are provided with correspondingly arranged mounting holes for the first locking mechanism to penetrate through the arc-shaped connecting holes of the connecting plate; and a through hole is formed at the side of the arc-shaped connecting hole for the penetration of the connecting plate and the articulated shaft of the first connecting rod and the second connecting rod.
Preferably, the first locking mechanism comprises a bolt inserted into the arc-shaped connecting hole and the mounting hole, one end of the bolt is hinged with an eccentric cam type clamping rod, the bolt is sleeved with a first sleeve and a second sleeve, the first sleeve and the second sleeve respectively comprise large-diameter section pipe bodies and small-diameter section pipe bodies, the small-diameter section pipe bodies are inserted into the mounting hole, the large-diameter section pipe bodies and the outer edge of the mounting hole form a resisting fit, one end of the bolt, far away from the eccentric cam type clamping rod, is provided with a nut, and an annular gasket is sleeved on the bolt, between the second sleeve, close to the eccentric cam type clamping rod, and the eccentric cam type clamping rod.
Preferably, the upper end of the steering rod extends to the traveling direction of the bicycle to form a connecting rod, and the overhanging end of the connecting rod is fixed with a handlebar supporting seat.
Preferably, the steering rod is of a telescopic structure and comprises a steering sleeve fixedly connected with the front fork and a steering rod fixedly connected with the end part of the connecting rod, and the rod body of the steering rod is inserted into the steering sleeve and is locked and fixed by a third locking mechanism arranged on the steering sleeve;
the front end of the rod-shaped section bar is sleeved on the rod body of the steering inner rod, and the rod body of the steering inner rod is used as a rotating shaft core and freely rotates on the surface of the rod-shaped section bar.
Preferably, the rear connecting rod comprises a connecting sleeve and a connecting inner rod, the lower end of the connecting sleeve is fixed on the rear base, the upper end of the connecting inner rod is hinged with the rod-shaped section bar, and the lower end of the connecting inner rod is inserted into the connecting sleeve and locked and fixed by a fourth locking mechanism.
Compared with the prior art, the invention has the following technical effects:
1. the vertical folding electric bicycle provided by the invention has the advantages that the rear frame is hinged on the rod-shaped section bar which is arranged by extending the front frame backwards, the connecting rod mechanism is arranged between the front frame and the rear frame, when the electric bicycle needs to be stored, the first locking mechanism on the connecting rod mechanism is released, the front frame and the rear frame can be moved towards each other by lifting the rod-shaped section bar upwards to fold, and after the electric bicycle is folded in place, the first locking mechanism on the connecting rod mechanism is used for locking and fixing, at the moment, the supporting feet positioned on the rear frame can still be used continuously, and the three-point standing support is formed by the supporting feet, the front wheel and the rear wheel, so that the folded electric bicycle can still stand by itself without being folded;
2. according to the vertical folding electric bicycle, the frame parts and the components are matched in a telescopic manner, so that the frame can be conveniently and quickly retracted when the frame is required to be folded, the size of the electric bicycle is reduced, and meanwhile, the components of the electric bicycle are limited at different positions by matching with corresponding locking, so that the vertical folding electric bicycle is suitable for body types of different riders; in addition, even after the vertical folding electric bicycle is folded, the front wheel and the rear wheel are still in a grounding and free rolling state, and can be randomly pushed after the supporting feet are folded, so that the defect that the traditional electric bicycle needs to be carried after being stored is overcome;
drawings
FIG. 1 is a schematic view of a vertical folding electric bicycle provided in the present invention;
FIG. 2 is an enlarged schematic view of position A of FIG. 1;
FIG. 3 is an exploded view of a first locking mechanism of the present invention;
FIG. 4 is a schematic view of the handlebar assembly in accordance with the present invention;
FIG. 5 is a schematic view of the connection between the steering rod and the rod-shaped section bar according to the present invention;
FIG. 6 is a schematic view of the connection between the bolster stay bar and the rod-shaped section bar according to the present invention;
the reference numbers in the figures illustrate: 1-rear wheel, 2-power supply, 3-front wheel, 4-in-wheel motor, 5-disc brake disc, 6-wheel disc, 10-front frame, 11-front wheel support, 12-front fork, 13-steering rod, 131-steering sleeve, 132-steering inner rod, 14-sleeve, 141-first supporting vertical plate, 142-second supporting vertical plate, 15-connecting rod, 20-rod-shaped section bar, 30-rear frame, 31-supporting foot, 32-rear base, 33-rear connecting rod, 331-connecting sleeve, 332-connecting inner rod, 34-rear wheel support, 40-connecting plate, 401-arc-shaped connecting hole, 402-through hole, 41-first connecting rod, 42-second connecting rod, 43-mounting hole, 44-bolt, 441-eccentric cam type clamping rod, 442-nut, 45-first sleeve, 46-second sleeve, 47-annular gasket, 50-handlebar supporting seat, 51-handlebar supporting foot, 52-left handlebar, 53-right handlebar, 54-sleeve, 60-cushion supporting rod, 61-cushion lifting rod, 62-cushion, 71-first cover plate, 711-bayonet, 72-second cover plate, 73-hinge shaft, 74-positioning pin and 75-connecting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
In the present invention, "front" and "rear" are relative positions defined along the forward direction of the electric bicycle.
As shown in fig. 1 and 2, the invention provides a vertical folding electric bicycle, which comprises a front frame 10, wherein a rod-shaped section bar 20 arranged along the longitudinal direction of the bicycle is rotatably connected above the front frame 10;
a rear frame 30 including mounting members for the rear wheel 1 and the power source 2 and hinged below the rear end of the rod-shaped section bar 20 so that the front frame 10 and the rear frame 30 can move toward each other to be folded;
a connecting rod mechanism is arranged between the front frame 10 and the rear frame 30;
the link mechanism comprises a first link 41 hinged with the front frame 10, a second link 42 hinged with the rear frame 30, and a connecting plate 40 respectively hinged with the ends of the first and second links 41, 42, and a first locking mechanism is respectively arranged beside the hinge point of the first link 41 and the connecting plate 40 and beside the hinge point of the second link 42 and the connecting plate 40 for fixing the hinge position;
the rear frame 30 comprises a supporting foot 31, and the supporting foot 31 is used for being matched with the front wheel 3 and the rear wheel 1 to form a three-point standing support when the electric bicycle is folded and unfolded.
In the present invention, the rear frame 30 is arranged by being hinged on the rod-shaped section bar 20 extending backward on the front frame 10; meanwhile, a connecting rod mechanism is arranged between the front frame 10 and the rear frame 30, when the folding electric bicycle needs to be stored, a first locking mechanism on the connecting rod mechanism is loosened, the front frame 10 and the rear frame 30 can be moved towards each other to fold by lifting the rod-shaped section bar 20 upwards, in addition, after the folding electric bicycle is folded in place, the first locking mechanism arranged on the connecting rod mechanism is used for locking and fixing, at the moment, a supporting foot positioned on the rear frame can still be continuously used, and the supporting foot, the front wheel and the rear wheel form a three-point standing support, so that the folded electric bicycle still can stand by itself without being laid down; the foldable electric bicycle solves the problem that the original frame of the traditional foldable electric bicycle loses the supporting function after being folded and has to be laid down or supported by other supporting parts.
In order to make the foldable electric bicycle capable of being reduced to a smaller size, the following detailed design description is made on the rest of the electric bicycle:
the front frame 10 comprises a front wheel bracket 11 and a handlebar assembly arranged above the front wheel bracket 11, the front wheel bracket 11 comprises a front fork 12 and a steering rod 13 extending upwards from the front fork 12, a front wheel 3 is arranged below the front fork 12, and the upper end of the steering rod 13 is fixedly connected with a handlebar support seat 50;
the left and right sides of the handlebar supporting seat 50 extend upwards to form handlebar supporting feet 51, the handlebar supporting feet 51 on the left and right sides are respectively hinged with a left handlebar 52 and a right handlebar 53, the left handlebar 52 and the right handlebar 53 rotate to a vertical containing position and a transversely arranged unfolding position around respective hinge shafts, and the adjacent end parts of the left handlebar 52 and the right handlebar 53 are provided with external threads and are screwed and connected or disconnected by sleeves 54 correspondingly provided with internal threads; by the design of the structure, the volume of the electric bicycle in the width direction is further reduced.
The steering rod 13 is further provided with a sleeve 14 coaxially arranged, a side wall of the sleeve 14 extends backwards to form first and second supporting vertical plates 141 and 142 which are arranged in parallel and at intervals, and an end of the first connecting rod 41 is inserted between the first and second supporting vertical plates 141 and 142 and fixed by a pin.
The rear frame 30 comprises a rear base 32, a rear connecting rod 33 extends obliquely upwards from the front part of the rear base 32, and the overhanging end part of the rear connecting rod 33 is hinged with the rod-shaped section bar 20;
a rear wheel bracket 34 extends backwards from the rear part of the rear base 32, a rear wheel 1 is arranged below the rear wheel bracket 34, a hub motor 4 is arranged at the center of the rear wheel 1 and is powered by a power supply 2 arranged on the rear base 32, a braking unit is also arranged on the rear wheel 1, and a control wire of the braking unit is arranged along the rear connecting rod 33 and the rod-shaped section bar 20 and extends to a left handlebar 52 or a right handlebar 53.
The hub motor 4 is a brushless hub motor, the brushless hub motor is integrally configured and combined with a hub of a rear wheel 1, a controller component of the hub motor 4 is arranged in a rear base 32 and is connected with a speed-regulating rotating handle and a control panel which are arranged on a right handlebar 53 through a connecting wire and a connector, and the right handlebar 53 is also provided with a power-off brake handle for controlling the on-off of a power supply 2; and the power supply 2 is also provided with a power supply control lock.
Furthermore, the rear wheel 1 is provided with a brake unit, and a control line of the brake unit is arranged along the rear connecting rod 33 and the rod-shaped section bar 20 and extends to the left handlebar 52 or the right handlebar 53; the brake unit is a disc brake and comprises a disc brake disc 5 which is coaxially arranged with the rear wheel 1, and a disc brake disc locking device is arranged on the rear wheel support 34 and used for locking or loosening the disc brake disc 5 to realize the braking of the electric bicycle.
As another power supply mode of the electric bicycle, the rear wheel 1 is provided with a gear, the front part of the rear base 32 is provided with a wheel disc 6 and a corresponding pedal assembly, the wheel disc 6 and the gear form a chain transmission mechanism, and manual treading is realized through the pedal assembly to supply power to the electric bicycle, so that the trouble when the power supply 2 of the electric bicycle is not electrified is avoided.
Further, the rear end of the rod-shaped section bar 20 is hinged with one end of the cushion support rod 60, and a second locking mechanism is arranged at the end parts of the rod-shaped section bar 20 and the cushion support rod 60 to enable the cushion support rod 60 to be locked and fixed in the unfolding position which is straight with the rod-shaped section bar 20 and the folding position which is turned to be parallel to each other; a cushion lifting rod 61 is arranged at the other end of the cushion supporting rod 60, and a cushion 62 is fixed at the upper end of the cushion lifting rod 61.
Specifically, as shown in FIG. 6, the second locking mechanism includes first and second cover plates 71 and 72 engaged with each other, the plate surface of the first cover plate 71 is fixed with the end part of the rod-shaped section bar 20, the plate surface of the second cover plate 72 is fixed with the end part of the cushion supporting rod 60, one side edge of the first cover plate 71 is fixed with one side edge of the second cover plate 72 through a hinge shaft 73, the hinge shaft 73 is arranged in a vertical direction, the other side edge of the second cover plate 72 is provided with a positioning pin 74, the positioning pin 74 is arranged vertically, a bayonet 711 is arranged at the edge of the other side of the first cover plate 71, when the first and second cover plates 71, 72 are engaged, the shaft of the connecting rod 75 is engaged in the engaging opening 711, the first and second cover plates 71, 72 are thus engaged, and the seat cushion brace 60 and the bar-shaped section bar 20 are locked and fixed in the straight, extended position by the above-described structure.
Further, arc-shaped connecting holes 401 are formed in two ends of the connecting plate 40, and correspondingly arranged mounting holes 43 are formed in the end portions of the first connecting rod 41 and the second connecting rod 42, so that the first locking mechanism can be connected to the arc-shaped connecting holes 401 of the connecting plate 40 in a penetrating mode; a through hole 402 is formed at the side of the arc-shaped connecting hole 401 for the connection plate 40 to pass through the hinge shaft of the first and second connecting rods 41 and 42.
Further, as shown in fig. 3, the first locking mechanism includes a bolt 44 inserted into the arc-shaped connecting hole 401 and the mounting hole 43, one end of the bolt 44 is hinged with an eccentric cam type clamping rod 441, the bolt 44 is sleeved with a first sleeve 45 and a second sleeve 46, the first sleeve 45 and the second sleeve 46 respectively include a large-diameter tube body and a small-diameter tube body, the small-diameter tube body is inserted into the mounting hole 43, the large-diameter tube body and the outer edge of the mounting hole 43 form a resisting fit, one end of the bolt 44 away from the eccentric cam type clamping rod 441 is provided with a nut 442, and the bolt 44 between the second sleeve 46 adjacent to the eccentric cam type clamping rod 441 and the eccentric cam type clamping rod 441 is sleeved with an annular gasket 47.
Furthermore, in the present invention, the upper end of the steering rod 13 extends to the traveling direction of the bicycle to form a connecting rod 15, the overhanging end of the connecting rod 15 is fixed with a handlebar supporting seat 50, the connecting rod 15 is arranged to enable the handlebar assembly of the electric bicycle to be arranged relatively forward, which makes up the problem of comfortable holding caused by the fact that the handlebar assembly is relatively backward and the handlebar assembly is relatively small in size, and meanwhile, the connecting rod 15 is arranged to enable the handlebar assembly to integrally rotate to the backward position of the front frame 10 in the folded state, thereby further reducing the size occupied by the handlebar assembly of the electric bicycle.
Further, as shown in fig. 5, the steering rod 13 of the present invention is of a telescopic structure, and includes a steering sleeve 131 fixedly connected to the front fork 12 and a steering inner rod 132 fixedly connected to the end of the connecting rod 15, wherein the rod body of the steering inner rod 132 is inserted into the steering sleeve 131 and is locked and fixed by a third locking mechanism disposed on the steering sleeve 131; the telescopic steering rod 13 not only can integrally reduce the volume of the electric bicycle after being folded, but also can conveniently adjust the relative height of the handlebar assembly along with the locking and fixing of the third locking mechanism at any position, thereby meeting the height requirements of riders with different body types on the handlebar assembly; the front end of the rod-shaped section 20 is sleeved on the shaft of the steering inner rod 132, and the shaft of the steering inner rod 132 is used as a rotating shaft core, and the surface of the rod-shaped section 20 is freely rotated.
Further, the rear connecting rod 33 includes a connecting sleeve 331 and a connecting inner rod 332, the lower end of the connecting sleeve 331 is fixed on the rear base 32, the upper end of the connecting inner rod 332 is hinged with the rod-shaped profile 20, and the lower end of the connecting inner rod 332 is inserted into the connecting sleeve 331 and is locked and fixed by a fourth locking mechanism.
In the present invention, the third locking mechanism and the fourth locking mechanism are used for controlling the locking and fixing of the telescopic structure, the locking portions of the third locking mechanism and the fourth locking mechanism are the same as the first locking mechanism, and the locking and releasing are realized by the rotation of the eccentric cam type clamping rod 441, specifically, as shown in fig. 5 and 6, the steering sleeve 131 and the connecting sleeve 331 are sleeved with open lantern rings, the locking device of the first locking mechanism is arranged at the opening of the lantern ring, the change of the diameter of the lantern ring is realized by the eccentric cam type clamping rod 441 to achieve the change of the caliber of the pipe orifice of the steering sleeve 131 and the connecting sleeve 331, and the positions of the steering inner rod 132 and the connecting inner rod 332 are locked and fixed.
According to the vertical folding electric bicycle, the size of the electric bicycle is reduced through the telescopic design and the folding design of each component, the occupied size is small when the electric bicycle is folded, and meanwhile, after the electric bicycle is folded, the front wheel and the rear wheel are still in a state of touching the ground and freely rolling, so that the electric bicycle is convenient to move; when the foldable folding bicycle needs to be used, the corresponding locking mechanism is loosened, and the foldable folding bicycle is unfolded quickly and used quickly. The convenience of the electric bicycle is improved.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a vertical folding electric bicycle which characterized in that: comprises a front frame (10), wherein a rod-shaped section bar (20) which is transversely arranged along the vehicle length direction is rotatably connected above the front frame (10);
a rear frame (30) which comprises mounting parts for the rear wheel (1) and the power supply (2) and is hinged below the rear end of the rod-shaped section bar (20) so that the front frame (10) and the rear frame (30) can move towards each other to fold;
a connecting rod mechanism is arranged between the front frame (10) and the rear frame (30);
the connecting rod mechanism comprises a first connecting rod (41) hinged with the front frame (10), a second connecting rod (42) hinged with the rear frame (30) and connecting plates (40) hinged with the ends of the first connecting rod (41) and the second connecting rod (42) respectively, and first locking mechanisms for fixing the hinged positions are arranged beside the hinged positions of the first connecting rod (41) and the connecting plates (40) and beside the hinged positions of the second connecting rod (42) and the connecting plates (40);
the rear frame (30) comprises supporting legs (31), and the supporting legs (31) are used for being matched with the front wheel (3) and the rear wheel (1) to form a three-point standing support when the electric bicycle is folded and unfolded;
arc-shaped connecting holes (401) are formed in two ends of the connecting plate (40), and correspondingly arranged mounting holes (43) are formed in the end portions of the first connecting rod (41) and the second connecting rod (42) and used for enabling the first locking mechanism to penetrate through the arc-shaped connecting holes (401) of the connecting plate (40); a through hole (402) is formed beside the arc-shaped connecting hole (401) and is used for the penetration of a connecting plate (40) and articulated shafts of the first connecting rod (41) and the second connecting rod (42);
the front frame (10) comprises a front wheel support (11) and a handlebar assembly arranged above the front wheel support (11), the front wheel support (11) comprises a front fork (12) and a steering rod (13) extending upwards from the front fork (12), a front wheel (3) is arranged below the front fork (12), and the upper end of the steering rod (13) is fixedly connected with a handlebar supporting seat (50);
the left side and the right side of the handlebar supporting seat (50) extend upwards to form handlebar supporting feet (51), the handlebar supporting feet (51) on the left side and the right side are respectively hinged with a left handlebar (52) and a right handlebar (53), the left handlebar (52) and the right handlebar (53) rotate to a vertical containing position and a transversely arranged unfolding position around respective hinge shafts, and the adjacent end parts of the left handlebar (52) and the right handlebar (53) are provided with external threads and are screwed and connected or disconnected by sleeves (54) correspondingly provided with internal threads;
the steering rod (13) is also provided with a sleeve (14) which is coaxially arranged, the side wall of the sleeve (14) extends backwards to form a first supporting vertical plate (141) and a second supporting vertical plate (142) which are arranged in parallel and at intervals, and the end part of the first connecting rod (41) is inserted between the first supporting vertical plate (141) and the second supporting vertical plate (142) and is fixed by a pin shaft;
the rear frame (30) comprises a rear base (32), a rear connecting rod (33) extends obliquely upwards from the front part of the rear base (32), and the overhanging end part of the rear connecting rod (33) is hinged with the rod-shaped section bar (20);
a rear wheel support (34) extends backwards from the rear part of the rear base (32), a rear wheel (1) is arranged below the rear wheel support (34), a hub motor (4) is arranged at the center of the rear wheel (1) and is powered by a power supply (2) arranged on the rear base (32), a braking unit is further arranged on the rear wheel (1), and a control line of the braking unit is arranged along a rear connecting rod (33) and a rod-shaped section bar (20) and extends to a left handlebar (52) or a right handlebar (53);
the rear end of the rod-shaped section bar (20) is hinged with one end of the cushion support stay bar (60), and a second locking mechanism is arranged at the end parts of the rod-shaped section bar (20) and the cushion support stay bar (60) to ensure that the cushion support stay bar (60) is in a straight unfolding position and is locked and fixed to a folding position which is parallel to the rod-shaped section bar (20); the other end of the cushion supporting rod (60) is provided with a cushion lifting rod (61), and the upper end of the cushion lifting rod (61) is fixed with a cushion (62).
2. The vertical folding electric bicycle according to claim 1, characterized in that:
the first locking mechanism comprises a bolt (44) inserted into an arc-shaped connecting hole (401) and a mounting hole (43), one end of the bolt (44) is hinged with an eccentric cam type clamping rod (441), the bolt (44) is sleeved with a first sleeve and a second sleeve (45 and 46), the first sleeve and the second sleeve (45 and 46) respectively comprise a large-diameter section pipe body and a small-diameter section pipe body, the small-diameter section pipe body is inserted into the mounting hole (43), the large-diameter section pipe body and the outer edge of the mounting hole (43) form a resisting fit, one end, far away from the eccentric cam type clamping rod (441), of the bolt (44) is provided with a nut (442), and an annular gasket (47) is sleeved on the bolt (44) between the second sleeve (46) close to the eccentric cam type clamping rod (441) and the eccentric cam type clamping rod (441).
3. The vertical folding electric bicycle according to claim 1, characterized in that: a connecting rod (15) extends from the upper end of the steering rod (13) to the traveling direction of the bicycle, and a handlebar supporting seat (50) is fixed on the overhanging end of the connecting rod (15).
4. The vertical folding electric bicycle according to claim 1, characterized in that: the steering rod (13) is of a telescopic structure and comprises a steering sleeve (131) fixedly connected with the front fork (12) and a steering inner rod (132) fixedly connected with the end part of the connecting rod (15), and the rod body of the steering inner rod (132) is inserted into the steering sleeve (131) and is locked and fixed by a third locking mechanism arranged on the steering sleeve (131);
the front end of the rod-shaped section (20) is sleeved on the rod body of the steering inner rod (132), and the rod body of the steering inner rod (132) is used as a rotating shaft core and freely rotates on the surface of the rod-shaped section (20).
5. The vertical folding electric bicycle according to claim 1, characterized in that: the rear connecting rod (33) comprises a connecting sleeve (331) and a connecting inner rod (332), the lower end of the connecting sleeve (331) is fixed on the rear base (32), the upper end of the connecting inner rod (332) is hinged with the rod-shaped section bar (20), and the lower end of the connecting inner rod (332) is inserted into the connecting sleeve (331) and locked and fixed by a fourth locking mechanism.
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| CN201810776563.8A CN109131686B (en) | 2018-07-13 | 2018-07-13 | Vertical folding electric bicycle |
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| CN201810776563.8A CN109131686B (en) | 2018-07-13 | 2018-07-13 | Vertical folding electric bicycle |
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| CN109131686A CN109131686A (en) | 2019-01-04 |
| CN109131686B true CN109131686B (en) | 2020-12-22 |
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| CN112606936B (en) * | 2020-12-28 | 2022-12-16 | 江苏长欣车辆装备有限公司 | Folding rack, hinged sliding groove type folding bicycle and assembling method thereof |
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| DE102010027997A1 (en) * | 2009-09-09 | 2011-03-10 | Volkswagen Ag | Two-wheeled vehicle, use of the two-wheeled vehicle and motor vehicle |
| CN202481218U (en) * | 2012-02-09 | 2012-10-10 | 叶林森 | Folding bicycle |
| CN206914544U (en) * | 2017-06-22 | 2018-01-23 | 昌邑市创通电子科技有限公司 | A kind of foldable bicycle vehicle frame |
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| TW427279U (en) * | 2000-02-03 | 2001-03-21 | Wu Yau Ming | Improved folding structure for scooter |
| CN103707975B (en) * | 2012-10-08 | 2017-07-07 | 吴宁 | A kind of expansion can form the foldable luggage trolley of bicycle |
| CN203439200U (en) * | 2013-07-12 | 2014-02-19 | 广州市银三环机械有限公司 | Bicycle frame middle tube folding device |
| CN104118511B (en) * | 2014-07-10 | 2017-04-19 | 苏州速蝶科技有限公司 | Quick folding structure for electric bicycle or bicycle |
| CN108116590A (en) * | 2018-02-06 | 2018-06-05 | 太仓睿瑾精密机械有限公司 | Portable folding Moped Scooter |
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|---|---|---|---|---|
| DE102010027997A1 (en) * | 2009-09-09 | 2011-03-10 | Volkswagen Ag | Two-wheeled vehicle, use of the two-wheeled vehicle and motor vehicle |
| CN202481218U (en) * | 2012-02-09 | 2012-10-10 | 叶林森 | Folding bicycle |
| CN206914544U (en) * | 2017-06-22 | 2018-01-23 | 昌邑市创通电子科技有限公司 | A kind of foldable bicycle vehicle frame |
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