Patent Application
20250065976
The application claims priority to Chinese patent application No. 2023110495283 and No. 202322239031X, filed on Aug. 21, 2023, the entire contents of which are incorporated herein by reference.
The present invention relates to the technical field of bicycles, and particularly relates to an intelligent folding bicycle with a power wheel.
With the development of the times, a growing number of people start to play attention to environmental issues. Under this circumstance, electric bicycles become a choice for more and more people in daily life. Electric bicycles not only feature energy conservation and environment protection, but also are time-saving and labor-saving. Thanks to small body, lightness and flexibility, the electric bicycles also can alleviate urban road congestion. In a conventional electric bicycle, a power wheel is generally fixedly connected to the body and cannot be sold independently. If a user needs to purchase the electric bicycle, he/she needs to purchase the whole electric bicycle. As a result, the purchase case of the user is high, which causes a certain economic pressure to the user. Moreover, a battery, a controller, and a motor of the conventional electric bicycle are separately designed, so that the whole power wheel is large in size and the power wheel is not suitable for the bicycle or a common electric bicycle. Meanwhile, the conventional electric bicycle cannot be folded, occupies the space comparatively, and is inconveniently transported in a storage box. Therefore, an intelligent folding bicycle with a power wheel is provided to solve the problems that the power wheel of the current electric bicycle is non-detachably connected to the body and the electric bicycle is inconveniently stored and transported.
One of objects of the present invention is to provide an intelligent folding bicycle with a power wheel to solve the problems that the power wheel of the current electric bicycle is non-detachably connected to the body and the electric bicycle is inconveniently stored and transported.
The intelligent folding bicycle with a power wheel provided by the present invention can be achieved by the following technical solution:
An intelligent folding bicycle with a power wheel provided by the present invention, including a front frame assembly and a back frame assembly folded through a rotating assembly; a fixing assembly movably arranged between the front frame assembly and the back frame assembly; a front power wheel assembly movably and detachably arranged on the front frame assembly, including a front wheel assembly, a driving device, and a connecting device, wherein the front wheel is arranged on an outer side of the driving device, the connecting device is arranged on the driving device and is detachably connected to the front frame assembly, the driving device comprises a rotating shaft, a motor main body, a circuit board, a plurality of battery cell packs, and two end caps, both ends of the rotating shaft are respectively arranged on the connecting device, the motor main body is arranged on the rotating shaft in a penetrating manner, the circuit board and the plurality of battery cell packs are fixedly and integrally arranged in the motor main body, respectively, the circuit board is provided with a wireless communication module, and the two end caps are respectively arranged at both ends of the motor main body and are arranged on the rotating shaft in a penetrating manner; a back wheel assembly movably arranged on the back frame assembly; a handle assembly arranged above the front frame assembly; a cushion assembly arranged on the back frame assembly, wherein a height of the cushion assembly can be adjusted; and two pedals movably and symmetrically arranged on the front frame assembly or the back frame assembly, respectively.
In one of implementation modes, the fixing assembly includes two fixing rods and a fixing piece; the two fixing rods are fixedly arranged at corresponding positions of the front frame assembly and the back frame assembly, respectively; and the fixing piece is detachably connected to the two fixing rods.
In one of implementation modes, the front wheel includes a wheel hub and a tire main body; the wheel hub is a supporting main body; and the tire main body encircles an outer side of the wheel hub, and the driving device is arranged on an inner side of the wheel hub.
In one of implementation modes, one of ports of the rotating shaft is provided with a charging interface in a penetrating manner, the charging interface is electrically connected to the circuit board, and the charging interface is detachably provided with a charging hole plug.
In one of implementation modes, the motor main body includes a stator assembly and a rotor assembly, the stator assembly and the rotor assembly are respectively arranged on the rotating shaft in a penetrating manner, and the rotor assembly is connected to the rotating shaft through a bearing; and the stator assembly includes a stator carrier fixedly arranged on the wheel hub, and the plurality of battery cell packs and the circuit board are fixedly arranged on the stator carrier.
In one of implementation modes, the stator carrier further includes a stator core and a stator winding, wherein the stator winding is arranged on the stator core; the stator carrier includes a support frame, a fixing ring arranged on an outer side of the stator carrier, and a shaft sleeve ring arranged on an inner side of the stator carrier; the support frame is connected to the shaft sleeve ring and the fixing ring, the stator core is arranged on the fixing ring, the stator carrier is fixed on the rotating shaft through the shaft sleeve ring, and the support frame is uniformly provided with a plurality of mounting positions where the plurality of battery cell packs are mounted at an interval in a circumferential direction of the rotating shaft.
In one of implementation modes, the rotor assembly includes rotor carriers and a rotor sleeve ring, each of the rotor carriers is arranged on the rotating shaft through the bearing, an inner side of the rotor sleeve ring is uniformly provided with permanent magnets at an interval in a circumferential direction, the stator winding is matched with the positions of the permanent magnets, and the rotor carriers are fixedly arranged on both sides of the rotor sleeve ring.
In one of implementation modes, the connecting device includes a connecting tube, two damping pieces, two connecting rods, and a mudguard; the connecting tube is detachably connected to the front frame assembly; the two damping pieces are respectively arranged at a lower end of the connecting tube; the two connecting rods are fixedly arranged below the corresponding damping pieces, respectively, and are respectively connected to both ends of the rotating shaft; and the mudguard is fixedly arranged on the two connecting rods and is arranged above the tire main body.
In one of implementation modes, the front power wheel assembly and the back wheel assembly are respectively provided with disc brakes; and the two disc brakes are respectively connected to the handle assembly.
In one of implementation modes, damping pieces are arranged between the back wheel assembly and the back frame assembly; and an adjusting lock body is arranged in a part where the cushion assembly and the back frame assembly are connected.
Compared with the prior art, the intelligent folding bicycle with a power wheel provided by the present invention has the following beneficial effects:
according to the intelligent folding bicycle with a power wheel provided by the present invention, the two frame assemblies are folded through the rotating assembly, and meanwhile, the battery cell packs and the circuit boards are integrated in the front power wheel assembly. so that the bicycle is compact in structure; then, the front power wheel assembly is detachably connected to the front frame assembly to solve the problems that the power wheel of the current electric bicycle is non-detachably connected to the body and the electric bicycle is inconveniently stored and transported;
according to the intelligent folding bicycle with a power wheel provided by the present invention, the plurality of battery cell packs are respectively arranged on the stator assembly, so that the stator assembly and the plurality of battery cell packs are integrated together, and the overall structure of the motor is more compact, and thus, the overall size of the motor is further reduced; furthermore, the plurality of battery cell packs are arranged on the stator carrier, which effectively guarantees that the plurality of battery cell packs are integrated in the motor while normal rotation of the motor is not affected, so that good protection is further provided for the plurality of battery cell packs, and the service safety of the motor is better guaranteed; and at the same time, the stator assembly and the plurality of battery cell packs are integrally arranged, so that accessories and wires of the motor are more concisely arranged, and therefore, production and machining of the motor are further facilitated.
In order to describe the technical solution of the embodiments of the present invention more clearly, the drawings needed to be used in the embodiment will be briefly introduced below. It is to be understood that the drawings described below are merely some embodiments of the present invention, and therefore, shall not be viewed as limitation to the scope. Those of ordinary skill in the art can further obtain other relevant drawings according to the drawings without making creative efforts.
Numerals in the drawings: 11, front frame assembly; 12, back frame assembly; 13, rotating assembly; 14, fixing assembly; 141, fixing rod; 142, fixing piece; 15, front power wheel assembly; 151, front wheel; 1511, wheel hub; 1512, tire main body; 15121, anti-skid piece; 152, driving device; 1521, rotating shaft; 15211, charging bole plug; 1522. motor main body; 1523, circuit board; 1524, battery cell pack; 1525, end cap; 1526, disc brake; 153, connecting assembly; 1531, connecting tube; 1532, damping piece; 1533, connecting rod; 1534. mudguard; 16, back wheel assembly; 17, handle assembly; 18, cushion assembly; 181, adjusting lock body; 19, pedal.
In order to make objectives, technical solutions and advantages of the embodiments of the present invention clearer, description will be made on technical solution in the embodiment of the present invention below in combination with drawings in the embodiment of the present invention. It is apparent that the described embodiments are a part of embodiments of the present invention rather than all the embodiments. Components in the embodiments of the present invention described and illustrated in the drawings herein may usually be arranged and designed in various different configurations.
Therefore, detailed description on the embodiments of the application provided in the drawings is not intended to limit the scope of the present invention claimed, and merely represents selected embodiments of the present invention. On the basis of the embodiments in the present invention, all other embodiments obtained by those skilled in the technical field without making creative efforts fall into the scope of protection of the present invention.
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The stator assembly further includes a stator core and a stator winding; the stator winding is arranged on the stator core; the stator carrier includes a support frame, a fixing ring arranged on an outer side of the stator carrier, and a shaft sleeve ring arranged on an inner side of the stator carrier; the support frame is connected to the shaft sleeve ring and the fixing ring; the stator core is arranged on the fixing ring, the stator carrier is fixed on the rotating shaft 1521 through the shaft sleeve ring, the support frame is uniformly provided with a plurality of mounting positions where the plurality of battery cell packs 1524 are mounted at an interval in a circumferential direction of the rotating shaft 1521, and arrangement of the mounting positions facilitates mounting of the plurality of battery cell packs 1524, so that the plurality of battery cell packs 1524 can be mounted on the stator assembly well. Integration not only can better satisfy the service demand and the production demand, but also can further provide good protection to the plurality of battery cell packs 1524. Moreover, the mounting positions are arranged in the form of through holes, so that the overall structure of the motor is more compact, and thus, the overall size and weight of the stator assembly can be further reduced, and therefore, the overall driving device 152 is more convenient; at the same time, the mounting positions are arranged at an interval uniformly, so that when the plurality of battery cell packs 1524 are arranged in a fit manner at the corresponding mounting positions, the weight of the stator assembly encircling the circumferential direction of the rotating shaft 1521 is distributed more uniformly without affecting normal operation of the motor.
The rotor assembly includes rotor carriers and a rotor sleeve ring, wherein each of the rotor carriers is arranged on the rotating shaft 1521 through the bearing, an inner side of the rotor sleeve ring is uniformly provided with permanent magnets at an interval in a circumferential direction, the stator winding is matched with the positions of the permanent magnets, the rotor carriers are fixedly arranged on both sides of the rotor sleeve ring, and the rotor carriers and the rotor sleeve ring are fixedly connected to form a sound overall structure. so as to further provide good protection to the plurality of battery cell packs 1524 and the stator assembly. The rotor sleeve ring and the rotor carriers are generally of a metal structure, which can better provide protection to the plurality of battery cell packs 1524 and the stator assembly. The circuit board 1523 is electrically connected to the motor main body 1522, the battery cell packs 1524, and the charging interface, respectively. Control techniques adopted all are prior art, so the specific control process and product model are not repeatedly described here as long as they satisfy the application. The circuit board 1523 is provided with a wireless communication module and is wirelessly connected to a remote controller through the wireless communication module, so as to control the front power wheel assembly 15. Specifically, the wireless communication module is a Bluetooth wireless communication module. The control technique adopted by the remote controller is also the prior art, so the specific control process and product model are not repeatedly described here as long as they satisfy the application.
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It is to be noted that according to the intelligent folding bicycle with a power wheel, the front frame assembly 11 and the back frame assembly 12 are folded through the rotating assembly 13, so that the space occupied by the bicycle is reduced, and the bicycle is conveniently stored and transported; meanwhile, the two pedals 19 can be folded relative to the front frame assembly 11; the connecting tube 1531 is detachably connected to the front frame assembly 11; the plurality of battery cell packs 1524 provide the motor main body 1522 with electric energy, the remote controller is wirelessly connected to the circuit board 1523, and the remote controller controls the motor main body 1522 to work, so as to drive the front wheel 151 to move, so that the back wheel assembly 16 moves following the front power wheel assembly 15.
The technical features of the above embodiments may be combined freely. In order to describe briefly, the description is not made on all possible combinations of the technical features of the embodiments. However, the combinations of these technical features should be considered as a scope of the specification as long as there is no contradiction.
The above embodiments only express several embodiments of the present invention, are described in more detail, but are not to be construed as a limitation to the scope of the applied patent. It shall be pointed out that several variations and modifications may also be made by those of ordinary skill in the art without departing from the spirit of the present invention, which all fall within the protection scope of the present invention. Therefore, the scope of protection of the patent for the present invention shall be subject to the appended claims.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202322239031X | Aug 2023 | CN | national |
| 2023110495283 | Aug 2023 | CN | national |
