An electrically assisted long distance cycling bicycle

Abstract

The utility model belongs to the electric power assisted bicycle field especially a kind of electric power assisted long-distance cycling bicycle, it includes bicycle main body, the bottom of the bicycle main body is fixedly installed with two fixed axles, the outside of two fixed axles is rotationally sleeved with wheel axle, the side of two wheel axles is fixedly installed with auxiliary brake disc, and fixed base is fixedly sleeved on two fixed axles;The inner side of the bicycle main body is fixedly installed with buffer base.The utility model synchronously starts electric push rod drive arc brake strip to unfold when rider pinches brake lever, auxiliary brake disc on wheel axle forms friction braking, greatly enhances braking force, improves emergency braking safety and reliability, and can be through the deformation of polyurethane buffer block and disc spring elasticity preliminary absorption impact, remaining vibration is weakened again through hydraulic oil damping effect, avoid impact force damage power battery, improve the overall stability of equipment and battery service life.

Description

Technical Field

[0001] This utility model relates to the field of electric-assisted bicycle technology, and in particular to an electric-assisted long-distance riding bicycle. Background Technology

[0002] Electric-assisted long-distance cycling bicycles are special bicycles designed for long-distance riding scenarios, combining human-powered riding with electric assistance. At their core are a motor, lithium battery, and intelligent speed control system. This system automatically outputs auxiliary power based on the rider's pedaling force and road conditions (such as gradient and wind speed), reducing physical exertion during long-distance riding. Compared to ordinary electric bicycles, they emphasize range (typically 100-300 kilometers), optimize frame structure (such as lightweight materials and comfortable geometry), and feature a durable drivetrain and large-capacity storage. They balance the handling of sporty riding with the practicality of long-distance travel, meeting the needs of intercity commuting and long-distance outdoor cycling, balancing physical exercise with efficient travel.

[0003] However, most existing bicycles rely solely on a single V-brake system for braking. During long-distance riding, in case of emergencies or complex road conditions, the braking force of a single V-brake is often insufficient, resulting in limited braking efficiency. This can lead to slow braking response and difficulty in stopping the vehicle quickly, especially in situations involving heavy loads or downhill riding. This can easily cause safety accidents such as rear-end collisions and rollovers, failing to meet the high demands for braking reliability during long-distance riding. Furthermore, during long-distance riding, vibrations from road bumps are directly transmitted to the battery through the frame. Continuous impacts can cause internal battery components to loosen and poor circuit contact, which not only shortens battery life but may also cause battery malfunctions, affecting riding range and even posing safety hazards such as battery leakage and short circuits.

[0004] Therefore, we propose an electric-assisted long-distance cycling bicycle to solve the above problems. Utility Model Content

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An electric-assisted long-distance cycling bicycle includes a bicycle body. Two fixed axles are fixedly installed at the bottom of the bicycle body. Wheel axles are rotatably sleeved on the outer side of each of the two fixed axles. An auxiliary brake disc is fixedly installed on one side of each of the two wheel axles. A fixed base is fixedly sleeved on each of the two fixed axles. A buffer base is fixedly installed on the inner side of the bicycle body. A buffer groove is formed on the top of the buffer base. A battery base is slidably installed on the inner side of the buffer groove. An assist battery is detachably installed on the top of the battery base.

[0007] Specifically, a handlebar is fixedly installed on the top of the bicycle body, and two brakes are fixedly fitted on the handlebar. A brake lever is rotatably installed on one side of each of the two brakes, and a drive button is fixedly installed on the side of each brake lever near the handlebar.

[0008] Specifically, two electronic control bases are fixedly mounted on the handlebars, and an electronic control switch is fixedly installed on one side of each of the two electronic control bases. Two drive buttons are respectively adapted to the corresponding electronic control switches. Two V-brakes are fixedly installed on the inner side of the bicycle body. The two brakes are respectively connected to the corresponding V-brakes through brake cables. Wheels are fixedly mounted on both wheel axles. Two brake pads are fixedly installed on the inner side of each of the two V-brakes. The two wheels are located on the inner side of the corresponding two brake pads, so that the wheels can be clamped by the two brake pads of the V-brakes and the wheels can be braked by friction.

[0009] Specifically, auxiliary shafts are fixedly installed on one side of each of the two fixed bases, and two arc-shaped brake strips are slidably sleeved on the outer side of each of the two auxiliary shafts. Two reset metal blocks are fixedly installed on the inner side of each of the four arc-shaped brake strips, and springs are fixedly installed on the bottom of each of the eight reset metal blocks. The other ends of the eight springs are fixedly connected to the upper and lower sides of the corresponding fixed bases, so as to facilitate the traction of the corresponding arc-shaped brake strips for reset.

[0010] Specifically, each of the two fixed bases has a sliding groove on one side, and a slider is slidably installed on the inner side of each sliding groove. The two sliders abut against the corresponding two arc-shaped brake strips. An electric push rod is fixedly installed on the inner wall of one side of each sliding groove. The output end of the two electric push rods is fixedly connected to the corresponding sliders. Two electric control switches are connected to the circuits of the corresponding electric push rods, so as to control the start and stop of the electric push rods through the electric control switches.

[0011] Specifically, two polyurethane buffer blocks are fixedly installed on the bottom inner wall of each of the two buffer slots, and the tops of the four polyurethane buffer blocks abut against the bottom of the corresponding battery base.

[0012] Specifically, multiple evenly distributed disc springs and hydraulic sleeves are fixedly installed on the bottom inner walls of both buffer slots. The other ends of the multiple disc springs are fixedly connected to the bottom of the corresponding battery base, so as to absorb the impact force through the elastic deformation of the disc springs themselves.

[0013] Specifically, multiple evenly distributed piston rods are fixedly installed at the bottom of both battery bases. The piston ends of the multiple piston rods are slidably installed on the inner side of the corresponding hydraulic sleeves. The interior of the multiple hydraulic sleeves is filled with hydraulic oil. Multiple damping holes are opened at the bottom of the multiple piston ends. Rubber sealing rings are fixedly installed at the top of the multiple hydraulic sleeves. The multiple piston rods slide through the corresponding rubber sealing rings. The rubber sealing rings can help seal the oil inside the hydraulic sleeves, preventing leakage, and also preventing rigid collision between the piston rods and the hydraulic sleeves.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting up a dual braking structure of V-brake and auxiliary brake disc, when the rider squeezes the brake lever, the electric push rod is activated simultaneously to drive the arc-shaped brake strip to unfold, forming friction braking on the auxiliary brake disc on the wheel axle, which greatly enhances the braking force and improves the safety and reliability of emergency braking. Furthermore, the deformation of the polyurethane buffer block and the elasticity of the disc spring can initially absorb the impact, and the remaining vibration can be weakened by the damping effect of hydraulic oil, avoiding the impact force from damaging the power assist battery, thus improving the overall stability of the equipment and the service life of the battery. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of an electric-assisted long-distance cycling bicycle proposed in this utility model;

[0016] Figure 2 This is a three-dimensional cross-sectional view of the handlebars, brake, brake lever, electronic control base, electronic control switch, and drive button of an electric-assisted long-distance cycling bicycle proposed in this utility model.

[0017] Figure 3 This is a three-dimensional structural diagram of the V-brake, wheel, fixed axle, and auxiliary brake disc of an electric-assisted long-distance cycling bicycle proposed in this utility model.

[0018] Figure 4 This is a three-dimensional structural breakdown diagram of a fixed shaft, auxiliary brake disc, wheel axle, auxiliary shaft, arc brake pad, reset metal block, spring, fixed base, slider and electric push rod of an electric-assisted long-distance cycling bicycle proposed in this utility model.

[0019] Figure 5 This is a three-dimensional cross-sectional view of the buffer base, battery base, power assist battery, polyurethane buffer block, disc spring, hydraulic sleeve, piston rod and rubber sealing ring of an electric-assisted long-distance cycling bicycle proposed in this utility model.

[0020] In the diagram: 1. Bicycle body; 2. Handlebars; 3. Brake; 4. Brake lever; 5. Electronic control base; 6. Electronic control switch; 7. Drive button; 8. V-brake; 9. Wheel; 10. Fixed axle; 11. Auxiliary brake disc; 12. Wheel axle; 13. Auxiliary axle; 14. Curved brake pad; 15. Reset metal block; 16. Spring; 17. Fixed base; 18. Slider; 19. Electric push rod; 20. Buffer base; 21. Battery base; 22. Power assist battery; 23. Polyurethane buffer block; 24. Disc spring; 25. Hydraulic sleeve; 26. Piston rod; 27. Rubber sealing ring. Detailed Implementation

[0021] Reference Figure 1-5 An electric-assisted long-distance cycling bicycle includes a bicycle body 1. Two fixed axles 10 are fixedly installed at the bottom of the bicycle body 1. Wheel axles 12 are rotatably sleeved on the outer side of each of the two fixed axles 10. An auxiliary brake disc 11 is fixedly installed on one side of each of the two wheel axles 12. A fixed base 17 is fixedly sleeved on each of the two fixed axles 10. A buffer base 20 is fixedly installed on the inner side of the bicycle body 1. A buffer groove is opened on the top of the buffer base 20. A battery base 21 is slidably installed on the inner side of the buffer groove. An auxiliary battery 22 is detachably installed on the top of the battery base 21.

[0022] In this embodiment, a handlebar 2 is fixedly installed on the top of the bicycle body 1. Two brakes 3 are fixedly fitted on the handlebar 2. A brake lever 4 is rotatably installed on one side of each of the two brakes 3. A drive button 7 is fixedly installed on the side of each of the two brake levers 4 near the handlebar 2.

[0023] In this embodiment, two electronic control bases 5 are fixedly mounted on the handlebars 2. An electronic control switch 6 is fixedly installed on one side of each of the two electronic control bases 5. Two drive buttons 7 are respectively adapted to the corresponding electronic control switches 6. Two V-brakes 8 are fixedly installed on the inner side of the bicycle body 1. Two brakes 3 are respectively connected to the corresponding V-brakes 8 through brake cables. Wheels 9 are fixedly mounted on each of the two wheel axles 12. Two brake pads are fixedly installed on the inner side of each of the two V-brakes 8. The two wheels 9 are respectively located on the inner side of the corresponding two brake pads, so that the wheels 9 can be clamped by the two brake pads of the V-brakes 8 and braked by friction.

[0024] In this embodiment, auxiliary shafts 13 are fixedly installed on one side of each of the two fixed bases 17. Two arc-shaped brake strips 14 are slidably sleeved on the outer side of each of the two auxiliary shafts 13. Two reset metal blocks 15 are fixedly installed on the inner side of each of the four arc-shaped brake strips 14. Springs 16 are fixedly installed at the bottom of each of the eight reset metal blocks 15. The other end of each of the eight springs 16 is fixedly connected to the upper and lower sides of the corresponding fixed bases 17, so as to facilitate the traction of the corresponding arc-shaped brake strips 14 for reset.

[0025] In this embodiment, a sliding groove is provided on one side of each of the two fixed bases 17, and a slider 18 is slidably installed on the inner side of each of the two sliding grooves. The two sliders 18 respectively abut against the two corresponding arc-shaped brake strips 14. An electric push rod 19 is fixedly installed on the inner wall of one side of each of the two sliding grooves. The output end of the two electric push rods 19 is fixedly connected to the corresponding slider 18. The two electric control switches 6 are respectively connected to the corresponding electric push rods 19 in the circuit, so as to control the start and stop of the electric push rods 19 through the electric control switches 6.

[0026] In this embodiment, two polyurethane buffer blocks 23 are fixedly installed on the bottom inner wall of each of the two buffer slots, and the tops of the four polyurethane buffer blocks 23 respectively abut against the bottom of the corresponding battery base 21.

[0027] In this embodiment, multiple evenly distributed disc springs 24 and hydraulic sleeves 25 are fixedly installed on the bottom inner walls of the two buffer grooves. The other ends of the multiple disc springs 24 are fixedly connected to the bottom of the corresponding battery base 21, so as to absorb the impact force through the elastic deformation of the disc springs 24 themselves.

[0028] In this embodiment, multiple evenly distributed piston rods 26 are fixedly installed at the bottom of both battery bases 21. The piston ends of the multiple piston rods 26 are slidably installed on the inner side of the corresponding hydraulic sleeves 25. The interior of the multiple hydraulic sleeves 25 is filled with hydraulic oil. Multiple damping holes are opened at the bottom of the multiple piston ends. Rubber sealing rings 27 are fixedly installed at the top of the multiple hydraulic sleeves 25. The multiple piston rods 26 slide through the corresponding rubber sealing rings 27. The rubber sealing rings 27 can help seal the oil inside the hydraulic sleeves 25, preventing leakage, and also preventing the piston rods 26 from rigidly colliding with the hydraulic sleeves 25.

[0029] Working principle: When the rider encounters an emergency braking situation, they first squeeze both brake levers 4. This causes the corresponding brake cables to contract, which in turn activates the corresponding V-brakes 8. The two brake pads on the inner side of the V-brakes 8 clamp and brake the wheel 9. Simultaneously, squeezing both brake levers 4 activates the corresponding drive buttons 7, which in turn press the corresponding electronic control switches 6. These switches activate the corresponding electric push rods 19, which in turn move the corresponding sliders 18. The upper and lower sides of each slider 18 are inclined, contacting one end of each of the two corresponding curved brake strips 14. The movement of the sliders 18 presses against the two curved brake strips 14, causing the four curved brake strips 14 to rotate around the corresponding auxiliary shaft 13. The outer sides of the four curved brake strips 14 contact the inner sides of the corresponding auxiliary brake discs 11, thus better braking the auxiliary brake discs 11 through friction. The two auxiliary brake discs 11 then contact the corresponding wheel axles... The two wheel axles 12 are fixedly connected to their respective wheels 9, thus assisting the V-brake 8 in braking the wheels 9 and enhancing the safety of the device. During riding, the vibration of the vehicle itself is transmitted to the battery base 21 through the buffer base 20. The two polyurethane buffer blocks 23 and multiple disc springs 24 first come into contact with the impact force. The two polyurethane buffer blocks 23 absorb the impact force through the deformation of their own polyurethane material, while the two disc springs 24 alleviate the impact force through their own elastic deformation, completing the initial buffering of the impact force. When the multiple disc springs 24 deform to their limit, the piston ends of the multiple piston rods 26 slide in the corresponding hydraulic sleeves 25. The interior of the multiple hydraulic sleeves 25 is filled with hydraulic oil, and the top of the multiple piston ends is provided with multiple damping holes. When the oil flows from the multiple damping holes, it generates damping force, which absorbs and weakens the remaining impact force, thereby avoiding excessive vibration and impact during riding, which could damage the power assist battery 22 and enhance the stability of the device.

[0030] The technological advancements achieved by this invention compared to existing technologies are as follows: When the rider squeezes the brake lever 4, the electric push rod 19 is simultaneously activated to drive the arc-shaped brake strip 14 to unfold, forming friction braking on the auxiliary brake disc 11 on the wheel axle 12, which greatly enhances the braking force and improves the safety and reliability of emergency braking. Furthermore, the impact can be initially absorbed by the deformation of the polyurethane buffer block 23 and the elasticity of the disc spring 24, and the remaining vibration is weakened by the damping effect of hydraulic oil, thus avoiding damage to the power assist battery 22 from the impact force and improving the overall stability of the equipment and the battery life.

Claims

1. An electric-assisted long-distance cycling bicycle, characterized in that, The bicycle body (1) includes two fixed shafts (10) fixedly installed at the bottom of the bicycle body (1). Wheel axles (12) are rotatably sleeved on the outer side of the two fixed shafts (10). Auxiliary brake discs (11) are fixedly installed on one side of the two wheel axles (12). Fixed bases (17) are fixedly sleeved on the two fixed shafts (10). A buffer base (20) is fixedly installed on the inner side of the bicycle body (1). A buffer groove is provided on the top of the buffer base (20). A battery base (21) is slidably installed on the inner side of the buffer groove. An assist battery (22) is detachably installed on the top of the battery base (21).

2. The electric-assisted long-distance cycling bicycle according to claim 1, characterized in that, The top of the bicycle body (1) is fixedly fitted with a handlebar (2), and two brakes (3) are fixedly fitted on the handlebar (2). A brake lever (4) is rotatably installed on one side of each of the two brakes (3), and a drive button (7) is fixedly installed on the side of each of the two brake levers (4) near the handlebar (2).

3. The electric-assisted long-distance cycling bicycle according to claim 2, characterized in that, Two electronic control bases (5) are fixedly mounted on the handlebar (2). An electronic control switch (6) is fixedly installed on one side of each of the two electronic control bases (5). Two drive buttons (7) are respectively adapted to the corresponding electronic control switches (6). Two V-brakes (8) are fixedly installed on the inner side of the bicycle body (1). Two brakes (3) are respectively connected to the corresponding V-brakes (8) through brake cables. Two wheels (9) are fixedly mounted on each of the two wheel axles (12). Two brake pads are fixedly installed on the inner side of each of the two V-brakes (8). The two wheels (9) are respectively located on the inner side of the corresponding two brake pads.

4. The electric-assisted long-distance cycling bicycle according to claim 3, characterized in that, Auxiliary shafts (13) are fixedly installed on one side of each of the two fixed bases (17). Two arc-shaped brake strips (14) are slidably sleeved on the outer side of each of the two auxiliary shafts (13). Two reset metal blocks (15) are fixedly installed on the inner side of each of the four arc-shaped brake strips (14). Springs (16) are fixedly installed at the bottom of each of the eight reset metal blocks (15). The other ends of the eight springs (16) are fixedly connected to the upper and lower sides of the corresponding fixed bases (17).

5. The electric-assisted long-distance cycling bicycle according to claim 4, characterized in that, Each of the two fixed bases (17) has a sliding groove on one side, and a slider (18) is slidably installed on the inner side of each sliding groove. The two sliders (18) respectively abut against the two corresponding arc-shaped brake strips (14). An electric push rod (19) is fixedly installed on the inner wall of one side of each sliding groove. The output end of the two electric push rods (19) is fixedly connected to the corresponding slider (18). The two electric control switches (6) are respectively connected to the corresponding electric push rods (19) in the circuit.

6. The electric-assisted long-distance cycling bicycle according to claim 1, characterized in that, Two polyurethane buffer blocks (23) are fixedly installed on the bottom inner wall of each of the two buffer slots, and the tops of the four polyurethane buffer blocks (23) respectively abut against the bottom of the corresponding battery base (21).

7. The electric-assisted long-distance cycling bicycle according to claim 6, characterized in that, Multiple evenly distributed disc springs (24) and hydraulic sleeves (25) are fixedly installed on the bottom inner walls of the two buffer slots. The other ends of the multiple disc springs (24) are fixedly connected to the bottom of the corresponding battery base (21).

8. The electric-assisted long-distance cycling bicycle according to claim 7, characterized in that, Multiple evenly distributed piston rods (26) are fixedly installed at the bottom of both battery bases (21). The piston ends of the multiple piston rods (26) are slidably installed on the inner side of the corresponding hydraulic sleeves (25). The interior of the multiple hydraulic sleeves (25) is filled with hydraulic oil. Multiple damping holes are opened at the bottom of the multiple piston ends. Rubber sealing rings (27) are fixedly installed at the top of the multiple hydraulic sleeves (25). The multiple piston rods (26) slide through the corresponding rubber sealing rings (27).

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