Device for controlling steering of handlebar

By placing the push rod motor, spring, slider and pull tab inside the electric bicycle frame, the aesthetics of the device and the adjustability of the spring force are achieved, and the problem of unsightly and irrelevant force in the prior art is solved, thereby improving the riding experience and competitive efficiency.

CN222663688UActive Publication Date: 2025-03-25SUZHOU BENJI POWER CO LTD
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Patent Information

Application Number
CN202420715215.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-03-25
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The steering return device of existing electric bicycles is installed outside the frame, which is not beautiful and cannot adjust the spring force.

Method used

A device is designed to place the push rod motor, spring, slider and pull tab inside the frame, and connect the slider and pull tab through screws to achieve a detachable connection, making it easier to replace springs with different tension forces.

Benefits of technology

The aesthetics of the device and the adjustability of the spring force are realized, reducing the amount of operation of riders when maintaining the bicycle straight, and reducing the physical energy consumption of competitive personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for controlling steering of a handlebar, which comprises a bottom plate arranged in a frame, a push rod motor arranged on the bottom plate, a spring connected to a push rod of the push rod motor, a sliding block connected to the other end of the spring, a pulling piece connected to the sliding block, a pulling piece connected with a front fork vertical pipe of a vehicle, and a detachable connection between the sliding block and the pulling piece. The push rod motor is electrically connected with a controller of the vehicle; by means of the mode, the device can be arranged in a frame, and the tension of the spring is convenient to adjust.
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Description

Technical Field

[0001] The utility model relates to the technical field of transportation tools, in particular to a device for controlling the steering of a handlebar. Background Art

[0002] Some existing electric bicycles require control of the steering of the handlebars to prevent oversteering or require the handlebars to automatically return to the center when parking.

[0003] The Chinese patent with the announcement number CN111806612B discloses a bicycle steering automatic return device, comprising a bicycle frame, a bicycle front fork installed at the front end of the bicycle frame, a steering tube and a handlebar on the bicycle front fork, a steering return device installed between the bicycle frame and the steering tube, the steering return device comprising a base, a rotating seat, a sliding rod and a sleeve seat, an end seat is provided at the head end of the sliding rod, a stopper is provided at the end of the sliding rod, a return spring is provided between the end seat and the stopper, and a connecting rod is hinged between the end seat and the sleeve seat. The present invention provides a steering return device, so that when the rider does not apply force to the handlebar of the bicycle or stops applying force after applying steering force, the return spring on the steering return device will drive the connecting rod to pull the sleeve back to its position through the connecting rod under the action of elasticity, so that the bicycle front fork returns to the center, thereby keeping the bicycle in a straight state, reducing the operations performed by the rider to keep the bicycle straight, and reducing the physical energy consumption of the cycling competitors.

[0004] However, the steering return device is installed outside the frame, which is not aesthetically pleasing, and the spring force cannot be adjusted to control the force. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a device for controlling the steering of a handlebar, which can be placed inside a frame and is convenient for adjusting the tension of a spring.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a device for controlling the steering of the handlebar, including: a base plate arranged in the frame, a push rod motor is arranged on the base plate, a spring is connected to the push rod of the push rod motor, the other end of the spring is connected to a slider, the slider is connected to a pull tab, the pull tab is connected to the front fork riser of the vehicle, the slider and the pull tab are detachably connected, and the push rod motor is electrically connected to the controller of the vehicle.

[0007] Preferably, one end of the pull tab close to the slider is fixedly connected to a connecting block, the connecting block is provided with a first threaded hole, the inner thread of the first threaded hole is matched with a first screw, and one end of the first screw passes through the first threaded hole and is threadedly connected to the slider.

[0008] Preferably, a first through hole is provided on the slider for one end of the spring to pass through, and a receiving cavity is provided on one side of the connecting block close to the slider, and the receiving cavity is used to receive the portion of the spring that passes through the slider and is bent.

[0009] Preferably, a first mounting hole is formed at the end of the push rod of the push rod motor, and one end of the spring passes through the first mounting hole and is connected to the push rod motor.

[0010] Preferably, a second threaded hole is provided on the front fork stem, and the pull tab is fixedly connected to the front fork stem by a second screw.

[0011] Preferably, the frame is provided with a movable notch, and the movable notch prevents the pull tab from interfering with the frame when the pull tab is displaced.

[0012] Preferably, the push rod motor is connected to a first wiring harness, and the push rod motor is electrically connected to the controller.

[0013] Preferably, a second mounting hole is formed on the lower tube of the vehicle frame, and the bottom plate is bolted to the lower tube of the vehicle frame via the second mounting hole.

[0014] The beneficial effects of the utility model are:

[0015] By arranging the device inside the frame, it has a better aesthetic effect. The connection between the slider and the pull tab is achieved by screws, so that the slider and the pull tab can be detached, which makes it easy to replace springs with different tensions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the positional relationship between the entirety of the utility model and the frame;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is an exploded schematic diagram of the utility model.

[0019] The markings of the components in the accompanying drawings are as follows:

[0020] 1. Base plate; 2. Push rod motor; 21. First mounting hole; 22. First wiring harness; 3. Spring; 4. Slider; 41. First through hole; 5. Pull tab; 6. Front fork stem; 7. Controller; 71. Second wiring harness; 8. Connecting block; 81. First threaded hole; 82. Accommodating cavity; 9. Frame; 91. Movable notch. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, if not separately marked, should be understood as basic quantities of the basic units of the International System of Units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] refer to Figure 1-Figure 3 A device for controlling the steering of a handlebar comprises: a bottom plate 1 arranged in a frame 9, a second mounting hole is opened in the lower tube of the frame 9 of the vehicle, and the bottom plate 1 is fixedly connected to the lower tube of the frame 9 by screws passing through the second mounting hole. A push rod motor 2 is connected to the bottom plate 1, and the push rod motor 2 can be connected to the bottom plate 1 by screws. A spring 3 is connected to the push rod of the push rod motor 2, and a slider 4 is connected to the other end of the spring 3. The slider 4 is connected to a pull tab 5, and the pull tab 5 is connected to the front fork stem 6 of the vehicle. The slider 4 is detachably connected to the pull tab 5. The push rod motor 2 is electrically connected to the controller 7 of the vehicle, and the push rod motor 2 is connected to the first wire harness 22, and the controller 7 is connected to the second wire harness 71. The first wire harness 22 and the second wire harness 71 are connected through a connector, so that the push rod motor 2 is electrically connected to the controller 7, and then the controller is given a command by operating a button on the instrument of the electric bicycle, and the controller 7 controls the advancement and retraction of the push rod motor.

[0026] refer to Figure 1-Figure 3In order to facilitate the replacement of different springs 3 and thus adjust the tension, the pull tab 5 is fixedly connected to a connecting block 8 at one end close to the slider 4. The connecting block 8 can be riveted to the pull tab 5. The connecting block 8 is provided with a first threaded hole 81. The inner thread of the first threaded hole 81 is matched with a first screw. One end of the first screw passes through the first threaded hole 81 and is threadedly connected to the slider 4, so that the slider 4 and the connecting block 8 are detachably connected. When the spring 3 needs to be replaced, the spring 3 and the connecting block 8 can be separated by loosening the first screw.

[0027] refer to Figure 1-Figure 3 In order to facilitate the connection between the spring 3 and the slider 4, a first through hole 41 is provided on the slider 4 for one end of the spring 3 to pass through, and a receiving cavity 82 is provided on the side of the connecting block 8 close to the slider 4. The receiving cavity 82 is used to accommodate the part of the spring 3 that passes through the slider 4 and is bent, so that the end of the spring 3 connected to the slider 4 passes through the first through hole 41 on the slider 4, and then the end is bent, so as to prevent the spring 3 from detaching from the slider 4, and the receiving cavity 82 provides a space for the bent end of the spring 3 to make way.

[0028] refer to Figure 1-Figure 3 In order to facilitate the connection between the spring 3 and the push rod motor 2, a first mounting hole 21 is opened at the push rod end of the push rod motor 2. The end of one end of the spring 3 passes through the first mounting hole 21 and is connected to the push rod motor 2. After the end of the spring 3 passes through the first mounting hole 21, it is bent in multiple sections to prevent the spring 3 from being separated from the push rod motor 2.

[0029] refer to Figure 1-Figure 3 A second threaded hole is provided on the front fork stem 6, and the pull tab 5 is fixedly connected to the front fork stem 6 by passing a screw through the second screw.

[0030] refer to Figure 1-Figure 3 In order to prevent the pull tab 5 from interfering with the frame 9 when the vertical tube rotates, the frame 9 is provided with an active notch 91, and the active notch 91 prevents the pull tab 5 from interfering with the frame 9 when it is displaced.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for controlling the steering of a handlebar, characterized in that: include: A base plate (1) is arranged inside a vehicle frame (9), a push rod motor (2) is arranged on the base plate (1), a spring (3) is connected to the push rod of the push rod motor (2), the other end of the spring (3) is connected to a slider (4), the slider (4) is connected to a pull tab (5), the pull tab (5) is connected to a front fork riser (6) of the vehicle, the slider (4) and the pull tab (5) are detachably connected, and the push rod motor (2) is electrically connected to a controller (7) of the vehicle.

2. A device for controlling the steering of a handlebar according to claim 1, characterized in that: One end of the pull tab (5) close to the slider (4) is fixedly connected to a connecting block (8), and the connecting block (8) is provided with a first threaded hole (81). The first threaded hole (81) is internally threaded with a first screw, and one end of the first screw passes through the first threaded hole (81) and is threadedly connected to the slider (4).

3. A device for controlling the steering of a handlebar according to claim 2, characterized in that: The slider (4) is provided with a first through hole (41) for facilitating the passage of one end of the spring (3); the connection block (8) is provided with a receiving cavity (82) on a side close to the slider (4); the receiving cavity (82) is used to receive the portion of the spring (3) that passes through the slider (4) and is bent.

4. A device for controlling the steering of a handlebar according to claim 1 or 2, characterized in that: A first mounting hole (21) is provided at the end of the push rod of the push rod motor (2), and one end of the spring (3) passes through the first mounting hole (21) and is connected to the push rod motor (2).

5. The device for controlling the steering of a handlebar according to claim 1, characterized in that: A second threaded hole is provided on the front fork riser (6), and the pull tab (5) is fixedly connected to the front fork riser (6) via a second screw.

6. A device for controlling the steering of a handlebar according to claim 1, characterized in that: The frame (9) is provided with a movable notch (91), and the movable notch (91) prevents the pull tab (5) from interfering with the frame (9) when the pull tab (5) is displaced.

7. A device for controlling the steering of a handlebar according to claim 1, characterized in that: The push rod motor (2) is connected to a first wiring harness (22), and the push rod motor (2) is electrically connected to a controller (7).

8. The device for controlling the steering of a handlebar according to claim 1, characterized in that: A second mounting hole is provided on the lower tube of the vehicle frame (9), and the bottom plate (1) is bolted to the lower tube of the vehicle frame (9) via the second mounting hole.

Citation Information

Patent Citations

  • An automatic return-to-center device for bicycle steering

    CN111806612B