阅读说明：本技术 一种电动助力自行车 (Electric power-assisted bicycle ) 是由 于世民 余辉 于 2021-07-27 设计创作，主要内容包括：本发明涉及自行车,更具体的说是一种电动助力自行车,包括轮毂、弧轮、骨架、转向架、座位、动力机构和传动轴,骨架的前侧设置有转向架,可以通过三个轮毂来对提高装置运动过程中的稳定性,进一步的,通过设置弧轮,来调整弧轮和地面接触的位置,及地面上出现一定的凸起时,弧轮可以进行预先调整位置,从而避过凸起使得装置的运动更加稳定,进一步的设置有动力机构,动力机构可以进行人工和电力的动力切换,满足不同的使用需求,进一步转向架和座位在骨架上的连接位置可以进行调整,满足不同的使用需求。(The invention relates to a bicycle, in particular to an electric power-assisted bicycle, which comprises hubs, arc wheels, a framework, a bogie, a seat, a power mechanism and a transmission shaft, wherein the front side of the framework is provided with the bogie, the stability of the device in the motion process can be improved through three hubs, further, the contact position of the arc wheels and the ground can be adjusted through arranging the arc wheels, and when a certain bulge appears on the ground, the arc wheels can be adjusted in advance, so that the bulge is avoided, the motion of the device is more stable, the power mechanism is further arranged, the power mechanism can be switched between manual power and electric power, different use requirements are met, the connection position of the bogie and the seat on the framework can be adjusted, and different use requirements are met.)

1. The utility model provides an electric power-assisted bicycle, includes skeleton (30) and sets up wheel hub (10) in both sides around skeleton (30), its characterized in that: the two hubs (10) on the rear side are provided, the one hub (10) on the front side is provided, and each hub (10) is provided with a plurality of arc wheels (20).

2. An electrically assisted bicycle according to claim 1, wherein: the one end of skeleton (30) is connected with bogie (40), rotates on bogie (40) and is connected with wheel hub (10), and the other end of skeleton (30) rotates and is connected with transmission shaft (70), two wheel hub (10) of fixedly connected with on transmission shaft (70).

3. An electric power assisted bicycle according to claim 2, wherein: the framework (30) is connected with a power mechanism (60), and the power mechanism (60) is in transmission connection with the transmission shaft (70).

4. An electrically assisted bicycle according to claim 1, wherein: arc wheel (20) include arc wheel (21) and set up arc curb plate (22) in arc wheel (21) both sides, arc curb plate (22) and sliding connection are on arc wheel (21), fixedly connected with compression spring I between arc curb plate (22) and arc wheel (21).

5. An electrically assisted bicycle according to claim 4, wherein: the outer sides of the two arc side plates (22) are all obliquely arranged, and a plurality of arc wheels (21) are slidably connected to each wheel hub (10), and compression springs II are fixedly connected between the arc wheels (21) and the wheel hubs (10).

6. An electrically assisted bicycle according to claim 3, wherein: the power mechanism (60) comprises a power shaft (61) and a motor (63), output shafts of the power shaft (61) and the motor (63) are respectively and fixedly connected with a connecting key I and a connecting key II, output shafts of the power shaft (61) and the motor (63) are respectively and rotatably connected with a chain wheel I (62) and a chain wheel II (64), and the chain wheel I (62) and the chain wheel II (64) are in transmission connection with a transmission shaft (70).

7. An electrically assisted bicycle according to claim 6, wherein: the chain wheel I (62) and the chain wheel II (64) are respectively fixedly connected with an electromagnetic ring I (621) and an electromagnetic ring II (641), and the electromagnetic ring II (641) and the electromagnetic ring I (621) are respectively provided with a plurality of arc grooves.

8. An electrically assisted bicycle according to claim 6, wherein: the connecting key I and the connecting key II are both connected with a suction disc (66) in a sliding mode, and a connecting rod (47) is rotatably connected between the two suction discs (66).

9. An electric power assisted bicycle according to claim 2, wherein: bogie (40) are including rotating support (41) and steering shaft (44) of fixed connection on rotating support (41), rotate on support (41) fixedly connected with insert dish II (42), insert dish II (42) and connect on skeleton (30), are connected with handle (45) on steering shaft (44).

10. An electrically assisted bicycle according to claim 1, wherein: the skeleton (30) is connected with a seat (50).

Technical Field

The invention relates to a bicycle, in particular to an electric power-assisted bicycle.

Background

The electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with a motor, a controller, the storage battery, a rotating handle brake handle and other operating parts and a display instrument system on the basis of a common bicycle;

an electric power-assisted bicycle in the prior art comprises a bicycle chassis, a front support shaft, a sound device empty space, a storage battery, a walking motor and a bicycle seat, wherein a front rod socket is installed at one end of the bicycle chassis, the front support shaft is inserted in the front rod socket, a front walking wheel is installed at the lower end of the front support shaft, a front operation control rod is installed at the upper end of the front support shaft, a front handle insertion rod is inserted at the upper end of the front operation control rod, a speed regulating handle is installed at the upper end of the front handle insertion rod, the sound device empty space is installed at one side of the front operation control rod, a USB interface is installed at one side of the sound device empty space, a rear wheel bracket is installed at the lower side of one end of the bicycle chassis, a rear walking wheel is installed at the lower side of the rear wheel bracket through a rear rotating shaft, and the bicycle seat is installed at the upper side of one end of the bicycle chassis through a bicycle seat frame; electric bicycle among the prior art mostly improves on the basis of bicycle two-wheeled, under the condition of electric propulsion, the stability in the motion process can not be guaranteed to speed is generally very fast.

Disclosure of Invention

The invention aims to provide an electric power-assisted bicycle which can ensure the stability in the movement process.

The purpose of the invention is realized by the following technical scheme:

an electric power-assisted bicycle comprises hubs, arc wheels, a framework, a bogie, a seat, power mechanisms and a transmission shaft, wherein the front side of the framework is provided with the bogie, the bogie is rotatably connected with the hubs, the rear side of the framework is rotatably connected with the transmission shaft, the transmission shaft is fixedly connected with two hubs, each hub is connected with a plurality of arc wheels, the framework is connected with the power mechanisms, and the power mechanisms are in transmission connection with the transmission shaft;

the arc wheels comprise arc wheels and arc side plates, the left side and the right side of each arc wheel are connected with the arc side plates in a sliding mode, the outer sides of the two arc side plates are arranged in an inclined mode, compression springs I are fixedly connected between the arc side plates and the arc wheels, a plurality of arc wheels are connected onto each wheel hub in a sliding mode, the arc wheels are preferably made of rubber materials, and compression springs II are fixedly connected between the arc wheels and the wheel hubs;

the power mechanism comprises a power shaft, a chain wheel I, a motor, a chain wheel II, a connecting rod, a suction disc and a ball insertion, wherein a connecting key I is fixedly connected to the power shaft, the power shaft is rotatably connected to a framework, pedal plates are arranged at two ends of the power shaft, the motor is fixedly connected to the framework, a brake is arranged in the motor, a connecting key II is fixedly connected to an output shaft of the motor, the chain wheel I is rotatably connected to the power shaft, a chain wheel II is rotatably connected to an output shaft of the motor, an electromagnetic ring II and an electromagnetic ring I are respectively and fixedly connected to the chain wheel II and the chain wheel I, a plurality of arc grooves are respectively formed in the electromagnetic ring II and the electromagnetic ring I, the suction disc is respectively and slidably connected to the connecting key I and the connecting key II, a plurality of ball insertion are fixedly arranged on the suction disc, the plurality of ball insertion can be respectively inserted into the corresponding arc grooves, and the connecting rod is rotatably connected between the two suction discs on the connecting key I and the connecting key II, the chain wheel I and the chain wheel II are in transmission connection with a transmission shaft;

the steering frame comprises a rotating support, an inserting disc II, a rotating cylinder, a steering shaft, a handle, a sliding cylinder I and a connecting rod, a wheel hub is rotatably connected onto the rotating support, the steering shaft is fixedly connected onto the rotating support, the inserting disc II is intermittently matched onto the steering shaft, the inserting disc I is arranged on a framework, the inserting disc II is fixedly connected with the inserting disc I through a screw, the rotating cylinder is rotatably connected onto the inserting disc II, a plurality of jacks I are formed in the steering shaft, the rotating cylinder is fixedly connected into one jack I through a screw, the sliding cylinder I is rotatably connected onto the steering shaft through one jack I, the handle is rotatably connected onto the steering shaft, the connecting rod is hinged between the handle and the sliding cylinder I, and switches of the motor, the electromagnetic ring II and the electromagnetic ring I are all arranged on the handle;

the seat includes a sliding cylinder II, a swing support and a rubber seat, a sliding cylinder II is connected on the framework in a sliding mode, a plurality of jacks II are formed in the framework, the sliding cylinder II is connected in one of the jacks II through a screw fixed connection, the sliding cylinder II is connected with the swing support in a rotating mode, a torsion spring is fixedly connected between the swing support and the sliding cylinder II, and a compression spring III is fixedly connected between the swing support and the rubber seat.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a hub and arc wheel connection of the present invention;

FIG. 2 is a schematic view of the hub construction of the present invention;

FIG. 3 is a first schematic view of the arc wheel structure of the present invention;

FIG. 4 is a second schematic view of the arc wheel structure of the present invention;

FIG. 5 is a schematic view of the frame, bogie and seat attachment configuration of the present invention;

FIG. 6 is a schematic representation of the skeletal structure of the present invention;

FIG. 7 is a schematic view of the truck structure of the present invention;

FIG. 8 is a schematic view of the seating configuration of the present invention;

FIG. 9 is a first schematic structural diagram of a power mechanism according to the present invention;

FIG. 10 is a schematic view of a second power mechanism according to the present invention;

FIG. 11 is a schematic structural view of the sprocket I of the present invention;

FIG. 12 is a schematic structural view of the sprocket II of the present invention;

fig. 13 is a schematic structural diagram of a power mechanism according to the present invention;

FIG. 14 is a first schematic view of a propeller shaft and wheel connection arrangement of the present invention;

FIG. 15 is a second schematic view of the present invention showing the connection between the propeller shaft and the wheel;

fig. 16 is a schematic view of the overall structure of the electric bicycle of the present invention.

In the figure: a hub 10; an arc wheel 20; an arc wheel 21; a circular arc side plate 22; a framework 30; a plug-in tray I31; a bogie 40; the rotating bracket 41; a plug-in tray II 42; a rotary cylinder 43; a steering shaft 44; a handle 45; a sliding cylinder I46; a connecting rod 47; a seat 50; a sliding cylinder II 51; a swing bracket 52; a rubber sheet seat 53; a power mechanism 60; a power shaft 61; a chain wheel I62; an electromagnetic ring I621; a motor 63; a chain wheel II 64; an electromagnetic ring II 641; a connecting rod 65; a suction and pan 66; a ball 67 is inserted; a drive shaft 70.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 16, an electric power-assisted bicycle comprises a hub 10, arc wheels 20, a frame 30, a bogie 40, a seat 50, a power mechanism 60 and a transmission shaft 70, wherein the front side of the frame 30 is provided with the bogie 40, the bogie 40 is rotatably connected with the hub 10, the rear side of the frame 30 is rotatably connected with the transmission shaft 70, the transmission shaft 70 is fixedly connected with two hubs 10, each hub 10 is connected with a plurality of arc wheels 20, the frame 30 is connected with the power mechanism 60, and the power mechanism 60 is in transmission connection with the transmission shaft 70;

the stability of the device in the motion process can be improved through the three hubs 10, further, the contact position of the arc wheel 20 and the ground can be adjusted through the arrangement of the arc wheel 20, and when a certain bulge appears on the ground, the position can be adjusted in advance through the arc wheel 20, so that the bulge is avoided, the motion of the device is more stable, a power mechanism 60 is further arranged, the power mechanism 60 can be used for switching between manual power and electric power, different use requirements are met, and the connection position of the bogie 40 and the seat 50 on the framework 30 can be adjusted, so that different use requirements are met;

as shown in fig. 3 and 4, the structure of the arc wheel 20 is further described, the arc wheel 20 includes an arc wheel 21 and arc side plates 22, the arc side plates 22 are slidably connected to the left and right sides of the arc wheel 21, the outer sides of the two arc side plates 22 are obliquely arranged, a compression spring i is fixedly connected between the arc side plates 22 and the arc wheel 21, as shown in fig. 2, a plurality of sliding columns are fixedly connected to the hub 10, the arc wheel 21 is slidably connected to the sliding columns, the sliding columns limit and support the sliding of the arc wheel 21, a plurality of arc wheels 21 are slidably connected to each hub 10, the arc wheel 21 is preferably made of rubber, and a compression spring ii is fixedly connected between the arc wheel 21 and the hub 10;

when the hub 10 rotates, the hub 10 drives the plurality of arc wheels 20 connected with the hub in a sliding manner to move, the arc wheels 20 can slide on the hub 10 transversely, the arc wheels 21 keep a centering state under the action of the compression spring II, the two arc side plates 22 are both positioned in front of the rotating direction of the arc wheels 21, namely when the arc wheels 20 move along with the hub 10, the two arc side plates 22 firstly contact with the ground, when a certain bulge appears on the ground, the two arc side plates 22 firstly contact with the bulge on the ground, as shown in FIGS. 3 and 4, the outer sides of the two arc side plates 22 are both obliquely arranged, the inclined planes at the outer sides of the two arc side plates 22 move under the push of the bulge, and then the pushed arc side plates 22 push the arc wheels 21 to move, so that the arc wheels 21 move on the hub 10 by overcoming the elasticity of the compression spring II, the position of the arc wheel 21 is adjusted, so that the position of the next arc wheel 21 is adjusted when the next arc wheel 21 moves to the bulge, the position of the next arc wheel 21 is adjusted by the arc side plate 22 on the arc wheel 21, the arc wheels 21 move at the same time, the arc wheels 21 are staggered at the same time, and the fall of the arc wheels 21 is not too large when the arc wheels 21 move to the bulge, so that the stability of the device passing through the raised ground is ensured;

furthermore, a compression spring I is fixedly connected between the arc side plate 22 and the arc wheel 21, when the arc side plate 22 adjusts the position of the arc wheel 21 in advance, the arc side plate 22 can be firstly contacted with the inclined plane which is raised on the ground, and then the inclined plane which is raised can push the arc side plate 22 to generate the trend of upward movement, in order to ensure that the arc side plate 22 can push the arc wheel 21 to move transversely but not be pushed by the inclined plane which is raised on the ground to move upwards, the compression spring I is arranged between the arc side plate 22 and the arc wheel 21, so that the arc side plate 22 can not move upwards when being contacted with the ground, the stability of the movement of the device is ensured, and the obstacle avoidance stable movement can be carried out to a certain extent without turning;

as shown in fig. 9 to 13, the structure and function of the power mechanism 60 will be described in detail, the power mechanism 60 includes a power shaft 61, a chain wheel i 62, a motor 63, a chain wheel ii 64, a connecting rod 65, a suction disc 66 and a ball 67, a connecting key i is fixedly connected to the power shaft 61, the power shaft 61 is rotatably connected to the frame 30, pedals are disposed at two ends of the power shaft 61, the motor 63 is fixedly connected to the frame 30, a band-type brake is disposed in the motor 63, a connecting key ii is fixedly connected to an output shaft of the motor 63, the chain wheel i 62 is rotatably connected to the power shaft 61, the chain wheel ii 64 is rotatably connected to an output shaft of the motor 63, an electromagnetic ring ii 641 and an electromagnetic ring i 621 are respectively fixedly connected to the chain wheel ii 64 and the chain wheel i 62, a plurality of arc grooves are disposed on the electromagnetic ring ii 641 and the electromagnetic ring i 621, the suction disc 66 is slidably connected to the connecting key i and the connecting key ii, a plurality of inserting balls 67 are fixed on the sucking disc 66, the inserting balls 67 can be respectively inserted into the corresponding arc grooves, a connecting rod 65 is rotatably connected between the two sucking discs 66 on the connecting key I and the connecting key II, and the chain wheel I62 and the chain wheel II 64 are in transmission connection with a transmission shaft 70;

the power mechanism 60 can switch between two powers of manual power and motor power according to different use requirements, when manual power is applied, as shown in fig. 10, the switch of the solenoid ring i 621 is turned on, the solenoid ring i 621 and the suction and suction plate 66 located at the lower side suck, the suction and disc 66 slides on the connecting key I, a plurality of inserting balls 67 on the suction and disc 66 are respectively inserted into a plurality of arc grooves, the suction and disc 66 is connected with the electromagnetic ring I621, when the power shaft 61 is pushed by the power of a human foot to rotate, the power shaft 61 drives the connecting key I to rotate, the connecting key I drives the suction disc 66 to rotate, the suction disc 66 drives the electromagnetic ring I621 to rotate, the electromagnetic ring I621 drives the chain wheel I62 to rotate, the chain wheel I62 drives the transmission shaft 70 to rotate, and the transmission shaft 70 drives the two hubs 10 to move, so that the device moves;

further, when the motor 63 is required to drive the device to move, the electromagnetic ring ii 641 and the sucking and mixing disk 66 located on the upper side are sucked and mixed, the output shaft of the motor 63 drives the connecting key ii to rotate, the connecting key ii drives the sucking and mixing disk 66 to rotate, the sucking and mixing disk 66 drives the electromagnetic ring ii 641 which is sucked and mixed to rotate, the electromagnetic ring ii 641 drives the transmission shaft 70 to rotate, and the transmission shaft 70 drives the two hubs 10 to move, so that the device moves;

as shown in fig. 10, when the electromagnetic ring i 621 and the sucking disc 66 located at the lower side are attracted, the electromagnetic ring ii 641 is separated from the sucking disc 66 located at the upper side, so as to ensure that the output shaft of the motor 63 rotates, the sprocket ii 64 is not driven to rotate, so that power is transmitted to the transmission shaft 70, and is fed back to the power shaft 61 to generate a reaction force to damage people, and meanwhile, when the device is required to brake the tightening machine, the electromagnetic ring ii 641 and the sucking disc 66 located at the upper side are attracted, the motor 63 is provided with a band-type brake, and the tightening machine is braked by the band-type brake arranged on the motor 63;

as shown in fig. 7, the structure of the bogie 40 is further described, the bogie 40 includes a rotating bracket 41, an inserting disc ii 42, a rotating cylinder 43, a steering shaft 44, a handle 45, a sliding cylinder i 46 and a connecting rod 47, the hub 10 is rotatably connected to the rotating bracket 41, the rotating bracket 41 is fixedly connected with the steering shaft 44, the steering shaft 44 is intermittently fitted with the inserting disc ii 42, the framework 30 is provided with the inserting disc i 31, the inserting disc ii 42 is fixedly connected with the inserting disc i 31 through a screw, the inserting disc ii 42 is rotatably connected with the rotating cylinder 43, the steering shaft 44 is provided with a plurality of inserting holes i, the rotating cylinder 43 is fixedly connected with one of the inserting holes i through a screw, the sliding cylinder i 46 is slidably connected with the steering shaft 44, the handle 45 is rotatably connected with the sliding cylinder i 46 through a screw, the connecting rod 47 is hinged between the handle 45 and the sliding cylinder i 46, the switches of the motor 63, the electromagnetic ring II 641 and the electromagnetic ring I621 are all arranged on the handle 45;

the inserting disc I31 is provided with a plurality of holes, the corresponding inserting disc II 42 is also provided with a plurality of holes, the inserting disc II 42 and the inserting disc I31 are fixedly connected in a screw mode and the like by adjusting the relative position between the inserting disc II 42 and the inserting disc I31, so that the dislocation angles between the inserting disc II 42 and the inserting disc I31 are different, the integral inclination degree of the bogie 40 is adjusted, and different use requirements are met;

furthermore, on the basis of adjusting the inclination degree of the whole bogie 40, the sliding position of the steering shaft 44 on the plug disc II 42 can be adjusted, the steering shaft 44 is provided with a plurality of plug holes I, the rotating cylinder 43 is connected in one plug hole I through a screw, so that the position of the steering shaft 44 in the vertical direction is fixed, and when the position of the steering shaft 44 in the vertical direction needs to be adjusted, the position of the steering shaft 44 in the vertical direction can be adjusted by changing the plug-in position of the rotating cylinder 43 on the steering shaft 44, so that the position of the whole hub 10 on the bogie 40 can be further adjusted;

furthermore, on the basis of adjusting the integral inclination degree of the bogie 40, the inclination degree of the handle 45 can be adjusted, the sliding cylinder I46 is fixedly connected into one of the jacks I through a screw, so that the inclined position of the handle 45 is fixed, and when the inclined position of the handle 45 needs to be adjusted, the inclined position of the handle 45 can be adjusted by changing the inserting position of the sliding cylinder I46 on the steering shaft 44, so that different use requirements are met;

furthermore, the switches of the motor 63, the electromagnetic ring II 641 and the electromagnetic ring I621 can be integrated on the handle 45 through a common electric control connecting means in the field, so that power switching and brake control are facilitated, the use is facilitated, and the device can turn by rotating the handle 45;

as shown in fig. 8, the structure of the seat 50 is further described, the seat 50 includes a sliding cylinder ii 51, a swing bracket 52 and a rubber seat 53, the sliding cylinder ii 51 is slidably connected to the framework 30, the framework 30 is provided with a plurality of insertion holes ii, the sliding cylinder ii 51 is fixedly connected to one of the insertion holes ii through screws, and the insertion position of the sliding cylinder ii 51 on the framework 30 can be adjusted according to different use requirements, so as to adjust the overall height of the seat 50, and further meet different use requirements; the sliding cylinder II 51 is rotatably connected with a swinging bracket 52, and a torsion spring is fixedly connected between the swinging bracket 52 and the sliding cylinder II 51, so that the rubber seat 53 can deflect in the front-back direction, and further the unused use requirements can be met; fixedly connected with compression spring III between swing bracket 52 and rubber seat 53 for rubber seat 53 can move comprehensively, and then satisfies the user demand that does not use.