CN219524147U

CN219524147U - Automatic overspeed control device for bicycle

Info

Publication number: CN219524147U
Application number: CN202320635254.5U
Authority: CN
Inventors: 陈基勋; 王勇军; 郑世忠; 赵洪武
Original assignee: Yanqin Electronic Shenzhen Co ltd
Current assignee: Yanqin Electronic Shenzhen Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-15
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an overspeed automatic control device of a bicycle, which belongs to the technical field of bicycles and comprises a frame, wherein a front fork and a rear fork are welded on the frame, wheels are respectively connected to the inner sides of the front fork and the rear fork through hub rotation, a spring telescopic rod is fixedly connected to the inner side wall of a brake rubber pad rear fork relative to a brake grinding ring, a push block is fixedly connected to one end of the brake rubber pad spring telescopic rod relative to the brake grinding ring, an electromagnet is fixedly connected to the other side of the brake rubber pad push block, a controller is connected to the top of an inner arc of the brake rubber pad rear fork through a bolt, and the brake rubber pad electromagnet and an infrared sensor are connected with the controller through wires.

Description

Automatic overspeed control device for bicycle

Technical Field

The utility model relates to the technical field of bicycles, in particular to an overspeed automatic control device for bicycles.

Background

The bicycle is a land traffic tool consisting of two wheels and a bicycle body, the pedal is powered by manpower, and then the rear wheel of the bicycle is driven by a chain to roll, so that the forward movement of the bicycle is realized, the bicycle can be used as an environment-friendly traffic tool for riding instead of walking and going out, and meanwhile, the bicycle is also used as a sports apparatus in the field of body building.

The searched patent publication number is: the bicycle rotating automatic brake of CN202657017U consists of a light sensor, a light emitter, a brake control device, a brake caliper and a brake disc; the light sensor is arranged on the wheel bracket; the light emitters are arranged on spokes of the wheel; the brake control device is arranged on the wheel bracket and internally comprises a battery and a signal analysis control device; the brake caliper is arranged on the brake control device; the brake disc is mounted on the axle. The utility model can effectively and automatically reduce the speed of the bicycle in time when the bicycle is in overspeed running, and reduce the possibility of safety accidents; above-mentioned scheme is through photoelectric sensing, with penetrating light original paper and sensitization original paper, prevent on wheel and frame, through the required time of wheel round, the interval of rethread light sense sensing every turn passageway, and then realize the survey to the speed of a motor vehicle, when light sense frequency promotes then bicycle speed promotes, when reaching certain frequency light sense, then brake through brake structure and brake disc carries out the brake of vehicle, but when bicycle overspeed is too fast, direct contact brake through brake cushion and brake disc carries out the brake of falling speed directly at this moment, the wheel locking appears easily, and when the wheel locking, the automobile body stability reduces easily, if the riding personnel does not in time control automobile body balance, very easily cause the dumping of bicycle to throw out, there is the potential safety hazard on the use.

Disclosure of Invention

The utility model aims to provide an overspeed automatic control device for a bicycle, which is used for solving the problems that the overspeed automatic control device for the bicycle is used for measuring the speed of the bicycle through light sense, and when overspeed occurs, the overspeed automatic control device is used for performing contact friction braking through a brake rubber pad and a brake disc, but the wheel locking is easy to occur when the overspeed is directly braked, and the bicycle is easy to be unbalanced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bicycle overspeed automatic control device, includes the frame, and the frame welding has front fork and rear fork, and the front fork is inboard all to be connected with the wheel through the hub rotation, and wherein is close to the wheel inner arc of rear fork and is equipped with the light emitter seat, the spacing infrared emitter that is equipped with in light emitter seat inside groove, the inboard outer wall fixedly connected with infrared sensor of the relative infrared emitter of rear fork, wheel inner arc wall fixedly connected with brake grinding ring, light emitter seat fixedly connected with in brake grinding ring inner arc wall, the inside wall fixedly connected with spring telescopic link of the relative brake grinding ring of rear fork, the one end fixedly connected with ejector pad of the relative brake grinding ring of spring telescopic link, the opposite side fixedly connected with electro-magnet of ejector pad, the bolt connection in rear fork inner arc top position has the controller, electro-magnet and infrared sensor pass through wire connection with the controller.

Further, one side of the electromagnet, which is opposite to the brake grinding ring, is fixedly connected with a brake rubber pad.

Further, the power supply box is fixedly connected to the position, below the seat cushion, of the upper pipe of the frame, the movable battery is connected with the inner groove of the power supply box in an inserting mode, the power supply unit is connected with the side wall of one side of the power supply box, which is opposite to the rear fork, in an embedded mode, and is connected with the electromagnet and the infrared sensor through wires, and the movable battery is in contact electrical connection with the power supply unit through the contact copper sheet.

Further, one side of the power supply box, which is far away from the power supply unit, is rotationally connected with a box cover, an inserting block is fixedly connected to the position of the box cover, which is opposite to the side wall of the power supply box, a slot is formed in the position of the side wall of the power supply box, which is opposite to the inserting block, and the inserting block is inserted into the slot.

Furthermore, one side of the box cover, which is close to the inside of the power supply box, is adhered and connected with a filling pad.

Furthermore, the infrared emitter is in threaded connection with the internal threads of the inner groove of the light emitter seat through threaded engagement, and a replaceable battery compartment is arranged in the tail of the infrared emitter.

Compared with the prior art, the utility model has the beneficial effects that:

the electromagnet in the embodiment is powered on by the controller when the access frequency of the infrared emitter and the infrared sensor is too high and the speed of the bicycle is too high, then the magnetic attraction of the electromagnet is uniformly regulated by gradually increasing the current, so that the electromagnet speed reducing structure is in uniform contact with the brake grinding ring, the occurrence of the condition that the brake is directly clamped and decelerated to be locked is reduced, the speed can be reduced firstly when the bicycle is braked at high speed, and then the manual brake is matched, so that the brake is more stable, and the balance of the bicycle and the safety of personnel are ensured; after the speed of the bicycle is reduced through the spring telescopic rod, the electromagnet is powered off, and the braking mechanism can rebound and reset through the spring telescopic rod, so that the bicycle is more convenient and efficient to use.

Drawings

FIG. 1 is a schematic view of a bicycle in accordance with the present utility model;

FIG. 2 is a schematic cross-sectional view of a rear fork structure of the present utility model;

FIG. 3 is a schematic perspective view of a power supply structure according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 5 is a schematic cross-sectional view of a power supply structure in the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a frame; 2. a front fork; 3. a rear fork; 4. a wheel; 5. a light emitter mount; 6. an infrared emitter; 7. an infrared sensor; 8. a brake wear ring; 9. a spring telescoping rod; 10. a pushing block; 11. an electromagnet; 12. a controller; 13. a brake rubber pad; 14. a power supply box; 15. a mobile battery; 16. a power supply unit; 17. a box cover; 18. inserting blocks; 19. a slot; 20. and filling the pad.

Detailed Description

Example 1

Please refer to fig. 1-5: the utility model provides a bicycle overspeed automatic control device, including frame 1, frame 1 welding has front fork 2 and rear fork 3, and front fork 2 and rear fork 3 inboard all rotate through the flower drum and be connected with wheel 4, wherein be close to the wheel 4 inner arc of rear fork 3 and be equipped with the light emitter seat 5, the spacing infrared emitter 6 that is equipped with of light emitter seat 5 inside groove, the inboard outer wall fixedly connected with infrared sensor 7 wheel 4 inner arc wall fixedly connected with brake grinding ring 8 of rear fork 3 relative infrared emitter 6, light emitter seat 5 fixedly connected with is in brake grinding ring 8 inner arc wall, the inside wall fixedly connected with spring telescopic link 9 of rear fork 3 relative brake grinding ring 8, the one end fixedly connected with ejector pad 10 of spring telescopic link 9 relative brake grinding ring 8, the opposite side fixedly connected with electro-magnet 11 of ejector pad 10, through the magnetic attraction of adjusting electro-magnet 11, and then prevent to press from both sides tight locking with brake structure, and then can effectively stabilize the security of slowing down in use, the inner arc top position bolted connection has controller 12 in rear fork 3, electro-magnet 11 and infrared sensor 7 pass through wire connection with controller 12, the relative brake grinding ring 8 of electro-magnet 11 one side is connected with 13, realize the high-stability of the safety and the 13 of the relative brake grinding ring, and the realization of the high-stability is more stable and the safety and the effect of the safety and the safety of the bicycle is realized.

Example two

As shown in fig. 3-5, a further improvement was made over example 1:

in order to facilitate the disassembly and assembly of the charging and battery replacement of the power supply structure, a power supply box 14 is fixedly connected above one end of an upper pipe of the frame 1, which is close to the rear fork 3, a movable battery 15 is connected in an inserting way in the power supply box 14, a power supply unit 16 is connected in an embedded way in one side wall of the power supply box 14, which is opposite to the rear fork 3, the power supply unit 16 is connected with an electromagnet 11 and an infrared sensor 7 through wires, the movable battery 15 and the power supply unit 16 are electrically connected in a contact copper sheet contact way, the movable battery 15 is connected with the power supply unit 16 in an inserting way, then the disassembly and assembly are carried out in the power supply box 14, the movable battery 15 is convenient to use and take out for charging, a box cover 17 is rotationally connected with the side wall of the power supply box 14, a slot 19 is arranged in the side wall of the power supply box 14 opposite to the box cover 17, an inserting block 18 is inserted in the slot 19, the inserted block 18 is fixedly connected to the position of the box cover 17 relative to the side wall of the power supply box 14, one side of the box cover 17, which is close to the power supply box 14, is connected with the filling pad 20 in a blocking manner by rotating the box cover 17, the power supply box 14 is opened and closed, the battery 15 is convenient to disassemble and assemble, then the battery 15 is convenient to extrude and move by the filling pad 20, the battery 15 is ensured to be stably connected with the power supply unit 16, the infrared emitter 6 is in threaded connection with the internal threads of the inner groove of the light emitter seat 5 through threaded engagement, a replaceable battery cabin is arranged in the tail of the infrared emitter 6, the disassembly and assembly of the infrared emitter 6 are facilitated by the threaded rotation of the disassembly and assembly manner, the cabin cover is arranged on the outer wall of the tail of the infrared emitter 6 in a rotating manner, the battery cabin is opened, a new battery can be replaced in the cabin by taking out the battery, and the use of the infrared emitter 6 is facilitated.

Working principle: the driver sits on the cushion of the frame 1, holds the front handle bar, treads the pedals, drives the rear wheels 4 to rotate through the gear disc and the chain, then keeps the balance of the frame 1, and can travel through the front wheels 4 and the rear wheels 4, in the process of traveling of the bicycle, the rear wheels emit infrared rays invisible to naked eyes through the infrared emitter 6 in the process of rolling, then the infrared emitter 6 rolls and rotates for one circle to pass through the infrared sensor 7, the two sensing triggers are once set in a time interval, when the time is lower than the time interval, the rolling speed of the wheels 4 is faster, the speed of the bicycle is too fast, the infrared sensor 7 generates high-voltage pulses at the moment and inputs the high-voltage pulses into the controller 12, then the controller 12 feeds back signals to the power supply unit 16, the power is electrified into the electromagnet 11 through the mobile battery 15, the magnetism of the electromagnet 11 is activated, the output current of the movable battery 15 is lifted from small to large, so that the magnetism of the electromagnet 11 gradually increases, then the electromagnet 11 is adsorbed onto the brake grinding ring 8 at a constant speed, the brake is carried out by contacting friction between the brake rubber pad 13 and the brake grinding ring 8, the push block 10 drives the spring telescopic rod 9 to extend and stretch the spring in the process, the electromagnet 11 at two sides can not directly clamp the brake grinding ring 8 because the magnetic attraction of the electromagnet 11 is not large at the beginning, the brake rubber pad 13 is not in hard contact, only contact friction realizes speed reduction, the problem that the wheel 4 is locked when clamping the brake occurs is prevented, after the bicycle is slowed down, then the double brake is realized through the hand brake, the safety of overspeed brake is ensured, when the infrared emitter 6 and the movable battery 15 need to be replaced and charged, the infrared emitter 6 is rotated to be disassembled and assembled from the light emitter seat 5 in a threaded connection mode, the mobile battery 15 is charged by buckling the box cover 17 of the power supply box 14, then sliding and pulling out the mobile battery 15, and is inserted into the power supply box 14 during installation, then the box cover 17 is rotationally covered, and the mobile battery is fixed by inserting the plug block 18 and the slot 19.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a bicycle overspeed automatic control device, includes frame (1), and frame (1) welding has front fork (2) and rear fork (3), and front fork (2) and rear fork (3) inboard all are connected with wheel (4) through the hub rotation, and wherein be close to wheel (4) inner arc of rear fork (3) and be equipped with light emitter seat (5), light emitter seat (5) inside groove spacing is equipped with infrared transmitter (6), the inboard outer wall fixedly connected with infrared sensor (7) of relative infrared transmitter (6) of rear fork (3), its characterized in that: the novel electric bicycle is characterized in that the inner arc wall of the wheel (4) is fixedly connected with a brake grinding ring (8), the light emitter seat (5) is fixedly connected with the inner arc wall of the brake grinding ring (8), the inner side wall of the rear fork (3) is fixedly connected with a spring telescopic rod (9) relative to the brake grinding ring (8), one end of the spring telescopic rod (9) is fixedly connected with a push block (10) relative to the brake grinding ring (8), the other side of the push block (10) is fixedly connected with an electromagnet (11), the position of the inner arc top of the rear fork (3) is connected with a controller (12) through a bolt, and the electromagnet (11) and an infrared sensor (7) are connected with the controller (12) through wires.

2. The automatic overspeed control device for bicycles, according to claim 1, characterized in that the electromagnet (11) is fixedly connected with a brake rubber pad (13) on one side opposite to the brake grinding ring (8).

3. The automatic overspeed control device for bicycles, according to claim 1, characterized in that the power supply box (14) is fixedly connected to the position, close to the lower portion of the cushion, of the upper pipe of the bicycle frame (1), the movable battery (15) is connected to the inner groove of the power supply box (14) in a plug-in manner, the power supply unit (16) is connected to the side wall of one side of the power supply box (14) opposite to the rear fork (3) in an embedded manner, the power supply unit (16) is connected with the electromagnet (11) and the infrared sensor (7) through wires, and the movable battery (15) is electrically connected with the power supply unit (16) through contact copper sheets.

4. The automatic overspeed control device for bicycles, according to claim 3, characterized in that one side of the power supply box (14) far away from the power supply unit (16) is rotatably connected with a box cover (17), the position of the box cover (17) relative to the side wall of the power supply box (14) is fixedly connected with an inserting block (18), the side wall of the power supply box (14) relative to the inserting block (18) is provided with a slot (19), and the inserting block (18) is inserted into the slot (19).

5. The automatic overspeed control device of a bicycle of claim 4, wherein said cover (17) is adhesively connected to a filler pad (20) on one side of said power box (14).

6. The automatic overspeed control device for bicycles, according to claim 1, characterized in that the infrared emitter (6) is screwed with the internal thread of the inner groove of the light emitter seat (5) through threaded engagement, and the tail of the infrared emitter (6) is internally provided with a replaceable battery compartment.