Handlebar structure

Through the combined design of neck tube, gripping tube and cover plate, the problem of insufficient wiring layout and strength in the handlebar structure is solved, and higher manufacturing efficiency and safety are achieved, and handling and aesthetics are improved.

CN223291031UActive Publication Date: 2025-09-02HL
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Patent Information

Application Number
CN202422608076.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-02
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing handlebar structure is difficult to achieve internal wiring layout, resulting in poor handling and insufficient structural strength, high manufacturing and molding, and difficult to control accuracy.

Method used

The combined design of neck tube, gripping tube and cover plate is adopted to form an outer weld bead and an inner weld bead through welding, which increases the welding area to improve structural strength. The hollow structure and removable cover plate are used to achieve internal wiring layout, and coordinate and position the protective rubber strips and lock firmware.

Benefits of technology

It improves the strength of the handlebar structure and the convenience of internal wiring, enhances handling and safety, while reducing the difficulty and cost of manufacturing forming, and improves the comfort and aesthetics of the grip.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a handlebar structure, which comprises a neck tube, a cover plate and two holding tubes, the neck tube is provided with a hollow transverse tube section, two ends of the transverse tube section are respectively provided with a large-diameter butt joint inner ring, and the bottom surface of the neck tube is provided with an open slot for selectively closing the cover plate. A small-diameter butt joint outer ring is formed at the end, corresponding to the transverse pipe section, of the holding pipe, and at least one side hole communicated with the interior and the exterior is formed in the circumferential face of the holding pipe, so that the holding pipe has the effect of being easier to manufacture and form, meanwhile, the welding bead area of welding can be effectively increased, the strength of the whole handlebar structure can be improved, and the service life of the handlebar structure is prolonged. In addition, the wires can be conveniently arranged in an internal wiring mode, and troubles caused by internal wiring of the wires are reduced.
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Description

Technical Field

[0001] The utility model relates to a handlebar structure, which is mainly used in the technical field of bicycles. Background Art

[0002] Bicycles are not only used as a means of transportation, but are also often used for sports and leisure. Examples include road bikes, mountain bikes, city bikes, folding bikes, electric bikes, and stunt bikes. The demand for lightweight and functional bicycles is constantly increasing. A bicycle is constructed with a frame having a front wheel and a rear wheel at each end. The front wheel is pivoted to the front end of the frame via a fork stem, and a handlebar is mounted horizontally at the top of the fork stem, allowing the front wheel to be used to control the direction of the bicycle.

[0003] Conventional handlebars have a centrally formed neck tube that locks onto the fork stem, and a grip tube that locks transversely onto the other end of the neck tube, forming symmetrical grip sections for the rider to grasp. The grip tubes can be either flat or curved, depending on the vehicle model. While the grip tubes are typically integrally molded, curved handlebars are difficult to manufacture and require high precision control. Furthermore, in recent years, bicycle handlebars have been equipped with signal cables for electronic devices, in addition to brake and shift cables. To minimize interference with control, internal cable routing within the handlebar tube is often desirable. However, the aforementioned integral curved handlebar tubes present inconveniences in internal cable routing, requiring further improvement. Utility Model Content

[0004] The technical problem to be solved by the present invention is: to provide a handlebar structure, which increases the total welding area and improves its structural strength; secondly, it can facilitate the internal routing of wires, reduce the troubles caused by the internal routing of wires, and improve the safety of riding; thirdly, it has an overall beautiful appearance and is comfortable to hold, overcoming the shortcomings of the existing technology.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a handlebar structure, which includes: a neck tube, a cover plate and two gripping tubes; the neck tube has a hollow transverse tube section, and the end openings at both ends of the transverse tube section are respectively formed with a large-diameter docking inner ring, and the bottom surface of the neck tube is formed with a groove connecting the outside and the inside for laying at least one wire material; the cover plate is detachably sealed in the groove of the neck tube, and at least one through hole connecting the inside and the outside of the neck tube is formed on the cover plate; the gripping tube is a hollow tube body, and a small-diameter docking outer ring is formed on one end of the gripping tube corresponding to the transverse tube section, for using the small-diameter docking outer ring to be inserted into the large-diameter docking inner rings opposite to the two ends of the transverse tube section, so as to form an external weld bead for fixation by welding technology, and the circumference of the gripping tube is respectively formed with at least one side hole connecting the inside and the outside.

[0006] Preferably, the neck tube has a hollow straight tube section, one end of the straight tube section has a detachable bundle portion provided on a front fork vertical tube, and the transverse tube section is perpendicularly provided on the other end of the straight tube section.

[0007] Preferably, a convex portion is formed at the point where the straight pipe section of the neck pipe intersects the transverse pipe section, and a concave portion is formed on the cover plate corresponding to the convex portion.

[0008] Preferably, a protective rubber strip with a relative shape is provided between the slotted area of ​​the neck tube and the cover plate.

[0009] Preferably, at least one screw hole column is formed within the range of the slot of the neck tube, and the cover plate has at least one locking hole corresponding to the screw hole column, so that the cover plate can be selectively fixed to the bottom surface of the neck tube using at least one locking piece.

[0010] Preferably, the small-diameter butt-jointed outer ring is inserted into the large-diameter butt-jointed inner rings at opposite ends of the transverse pipe section to form an inner weld bead for fixation through welding technology.

[0011] Preferably, the other end of the gripping tube different from the transverse tube section has a downwardly curved handle section.

[0012] Preferably, the gripping tubes may be respectively wrapped with a wrapping cloth to make the gripping tube and the transverse tube section of the neck tube smoother.

[0013] The beneficial effects of the present invention are as follows: through the specific implementation of the above-mentioned technical means, the combined design of the neck tube, the grip tube and the cover plate is utilized, so that the grip tube has the effect of being easier to manufacture and form, and at the same time, the design of inserting the small-diameter docking outer ring of the grip tube and the large-diameter docking inner ring of the neck tube and then double-welding can effectively increase the area of ​​the total weld bead, thereby improving the strength of the entire handlebar structure. In addition, through the hollow slot in the neck tube and the selectively closable cover plate, and in conjunction with the through hole of the cover plate and the side hole of the grip tube, it is convenient to lay the wire in an internal routing manner, reduce the interference caused by the wire to the outside, and enhance the safety of the vehicle. Moreover, through the concave-convex structure design of the neck, it assists in the precise alignment and positioning of each group of components, and makes the handlebar appearance smoother when wrapping the cloth, greatly improving its grip controllability and comfort, improving its practicality, and further improving its added value and economic benefits.

[0014] The present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional appearance of the handlebar structure of this creation when viewed from above.

[0016] Figure 2This is a schematic diagram of the handlebar structure of this creation, viewed from above.

[0017] Figure 3 This is a partial cross-sectional diagram of the handlebar structure of this creation from a rear view.

[0018] Figure 4 This is an upward-looking plan view of the handlebar structure of this creation.

[0019] Figure 5 This is a rear view plan view of the handlebar structure of this creation. DETAILED DESCRIPTION

[0020] The handlebar structure of this creation is as follows Figure 1 , which is applied to a bicycle, the handlebar structure is composed of a neck tube 10, two grip tubes 30 and a cover plate 20, wherein the grip tubes 30 are respectively provided on both sides of the neck tube 10, so as to be locked to a front fork stem (not shown) of the bicycle by the neck tube 10, so that the rider can control the direction of the bicycle by gripping the grip tubes 30;

[0021] Regarding the detailed structure of the handlebar structure of this creation, such as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the neck tube 10 has a hollow straight tube section 11, and one end of the straight tube section 11 has a bundle portion 12, so that the neck tube 10 can be detachably arranged on the front fork vertical tube by using the bundle portion 12. The other end of the straight tube section 11 has a perpendicular and hollow cross tube section 13. The cross tube section 13 is respectively formed with a large-diameter docking inner ring 14 at the end openings on both sides of the straight tube section 11 for relative assembly of the aforementioned gripping tube 30. Furthermore, the neck tube 10 is formed with a groove 15 connected to the outside on the bottom surface where the straight tube section 11 and the cross tube section 13 are connected, for laying at least one wire, and two relative clamping protrusions 17 are provided on the neck of the groove 15 to assist in the alignment and positioning of a protective rubber strip 25 and the cover plate 20, and the neck tube 10 is formed with at least two screw hole columns 16 within the range of the groove 15 for locking the aforementioned cover plate 20;

[0022] The cover plate 20 corresponds to the contour of the slot 15 on the bottom surface of the neck tube 10, and two recesses 24 are provided on the neck of the cover plate 20 corresponding to the protrusions 17 of the neck tube 10, so that the cover plate 20 can selectively press the protective rubber strip 25 to close the slot 15 of the neck tube 10, and the cover plate 20 has at least two locking holes 21 corresponding to the screw hole columns 16 in the slot 15, so that the cover plate 20 can be selectively fixed to the bottom surface of the neck tube 10 (such as Figure 3As shown, the neck tube 10 and the cover plate 20 have the interlocking protrusions 17 and recesses 24, so that when locked with the protective rubber strip 25 and the locking member 22, the neck tube 10 and the cover plate 20 have an alignment and positioning effect. The cover plate 20 has at least one through hole 23 formed on its surface, which connects the inside and the outside, for passing the wire through the inside of the neck tube 10.

[0023] Furthermore, the grip tube 30 is mainly implemented as a curved tube grip tube for a road bike, and the grip tube 30 is a hollow tube body, and the grip tube 30 is formed with a small-diameter butt joint outer ring 31 at one end of the transverse tube section 13 of the neck tube 10, so that the grip tube 30 can be inserted into the large-diameter butt joint inner ring 14 at both ends of the transverse tube section 13 by using the small-diameter butt joint outer ring 31, and an outer weld bead 40 and an inner weld bead 41 are formed by welding technology through the slot 15 of the neck tube 10 to strengthen the fixed connection between the grip tube 30 and the transverse tube section 13 (such as Figure 3 and Figure 4 As shown in FIG, at least one side hole 32 is formed on the circumference of the grip tube 30, which connects the inside and the outside, for passing the wire inside the grip tube 30. Furthermore, the other end of the grip tube 30, which is different from the cross tube section 13, has a downwardly curved handlebar section 35, so that the rider can adjust the grip position as needed to change the riding posture and hand position.

[0024] like Figure 5 In the embodiment shown, after the grip tube 30 is welded to the two ends of the transverse tube section 13 of the neck tube 10, since the grip tube 30 is inserted into the larger diameter of the larger diameter docking inner ring 14 with the small diameter docking outer ring 31, a step-like structural difference is generated between the grip tube 30 and the transverse tube section 13, and a wrapping cloth 50 can be wound around it, making the grip tube 30 and the transverse tube section 13 of the neck tube 10 more flat and beautiful, and improving the comfort of the driver when holding.

[0025] As can be seen from the aforementioned structure and usage description, the handlebar structure of the present invention utilizes the combined design of the neck tube 10, the grip tube 30, and the cover plate 20, making the grip tube 30 easier to manufacture and form, while further improving its precision during manufacturing, thereby increasing manufacturing efficiency and yield, and reducing manufacturing costs.

[0026] Furthermore, the design of inserting and then double-welding the small-diameter outer ring 31 of the grip tube 30 and the large-diameter inner ring 14 of the neck tube 10 can effectively increase the total welding area of ​​the welded outer weld 40 and the inner weld 41, thereby improving the strength of the entire handlebar structure.

[0027] In addition, through the hollow slot 15 of the neck tube 10 and the selectively closable cover plate 20, and in conjunction with the design of the through hole 23 of the cover plate 20 and the side hole 32 of the grip tube 30, it is convenient to lay the wires in an internal routing manner, reducing the trouble caused by the internal routing of the wires and enhancing the safety of the vehicle. Since the neck tube 10 and the cover plate 20 have the interlocking protrusions 17 and the recesses 24, they have the effect of alignment and positioning when locked by the protective rubber strip 25 and the locking piece 22. A step-like structural difference is generated between the grip tube 30 and the transverse tube section 13, which can be used to wrap a wrapping cloth 50, making the grip tube 30 and the transverse tube section 13 of the neck tube 10 more flat and beautiful, and improving the comfort of the rider when holding.

Claims

1. A handlebar structure comprising: a neck tube, a cover plate, and two grip tubes; characterized in that: The neck tube has a hollow transverse tube section, and the end openings at both ends of the transverse tube section are respectively formed with a large-diameter butt-jointing inner ring, and the bottom surface of the neck tube is formed with a groove connecting the outside and the inside for laying at least one wire material; the cover plate is detachably sealed on the groove of the neck tube, and the cover plate is formed with at least one through hole connecting the inside and the outside of the neck tube; the holding tube is a hollow tube body, and the holding tube is formed with a small-diameter butt-jointing outer ring at one end corresponding to the transverse tube section, for using the small-diameter butt-jointing outer ring to be inserted into the large-diameter butt-jointing inner rings opposite to the two ends of the transverse tube section, so as to form an external weld bead for fixation through welding technology, and the circumference of the holding tube is respectively formed with at least one side hole connecting the inside and the outside.

2. The handlebar structure according to claim 1, wherein: The neck tube has a hollow straight tube section, one end of which is provided with a detachable bundle portion which is arranged on a front fork vertical tube, and the transverse tube section is arranged perpendicularly to the other end of the straight tube section.

3. The handlebar structure according to claim 2, wherein: A clamping convex is formed at the position where the straight pipe section of the neck pipe perpendicularly intersects the horizontal pipe section, and a clamping concave is formed on the cover plate corresponding to the clamping convex position.

4. The handlebar structure according to claim 3, wherein: A protective rubber strip in a relative shape is arranged between the slotted range of the neck tube and the cover plate.

5. The handlebar structure according to claim 1, wherein: At least one screw hole column is formed within the range of the slot of the neck tube, and the cover plate has at least one locking hole corresponding to the screw hole column, so that the cover plate can be selectively fixed to the bottom surface of the neck tube by using at least one locking piece.

6. The handlebar structure according to claim 1, wherein: The small-diameter butt-jointed outer ring is inserted into the large-diameter butt-jointed inner rings at two opposite ends of the transverse pipe section and is fixed by forming an inner weld bead through welding technology.

7. The handlebar structure according to claim 1, wherein: The other end of the gripping tube, which is different from the horizontal tube section, is respectively provided with a downwardly bent handle section.

8. The handlebar structure according to claim 1, wherein: The gripping tubes can be respectively wrapped with a wrapping cloth to make the gripping tube and the horizontal tube section of the neck tube more flat.