Bicycle head tube and bicycle
By setting up an independent channel on the side wall of the bicycle head tube to hide the tubing, the problems of exposed tubing corrosion and friction wear in the existing technology are solved, realizing the internal routing design of the tubing, improving service life and riding experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-03-27
AI Technical Summary
The existing head tube design of bicycles makes brake cables and gear cables prone to corrosion when externally fixed, and they are also prone to friction and wear when turning, braking or shifting, which affects riding safety and user experience.
Multiple independent cable channels are installed on the side wall of the bicycle head tube to hide the cables and reduce their exposure. These channels accommodate the brake and derailleur cables and connect to the downstay tube through channels inside the head tube.
It effectively prevents pipeline corrosion, reduces friction and wear, improves pipeline life and riding safety, and enhances the overall performance and aesthetics of the vehicle.
Smart Images

Figure CN224045355U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bicycles, in particular to a bicycle head tube and a bicycle. BACKGROUND
[0002] The head tube is a structure connecting the upper tube and the lower tube, and the front fork passes through it. The head bowl set is installed at both ends of the head tube and is used to fix the front fork steering tube so that it can turn and move.
[0003] The existing bicycle brake line and gear shift line are generally fixed to the outside of the bicycle frame. This external fixation design is prone to pipe line rust, which not only shortens the service life of the pipe line, but also may cause safety hazards to the user during riding due to pipe line rust and breakage.
[0004] To improve the above situation, the brake line and gear shift line are currently mixed and installed in the head tube in a hidden wiring manner. This hidden wiring design often causes friction between the pipe lines and between the pipe lines and the frame during steering, braking or gear shifting, which also causes wear and tear of the pipe lines and affects the user experience during riding.
[0005] CN216002954U discloses a bicycle head tube, which sets a rotating shaft body in the interior of the head tube body, and sets an upper rotating shaft end and a lower rotating shaft end at both ends of the rotating shaft body to guide and limit the brake line, thereby achieving the purpose of storage. However, this patent only realizes the guidance and limitation of the pipe line, and cannot avoid the friction and wear between the pipe lines and between the pipe lines and the frame during the driving of the bicycle. Therefore, a head tube structure with better effect needs to be provided. UTILITY MODEL CONTENTS
[0006] The present application is made in view of the above problems, and aims to provide a bicycle head tube and a bicycle, which reduces the exposure of the pipe line and realizes the internal wiring of the whole vehicle by setting a plurality of independent pipe line channels on the side wall of the head tube.
[0007] Specifically, the first aspect of the present application provides a bicycle head tube, which is an internal hollow structure, and a channel is provided on the side wall of the head tube, which is in communication from the entrance on the first face of the head tube to the exit on the second face of the head tube along the side wall of the head tube, and the channel is used for passing the pipe line of the bicycle.
[0008] Further, the channel is provided with two or more channels.
[0009] Further, the channel is provided with four channels, which are respectively used for passing two brake pipe lines and two gear shift pipe lines on the bicycle.
[0010] Further, the outlet is provided with two places, including a first outlet and a second outlet, the first outlet is used for the front brake pipeline to pass through, and the second outlet is used for the rear brake pipeline and two gear pipelines to pass through.
[0011] Further, the second outlet is provided with a connecting part used for connecting a bicycle bottom bracket pipe, and the second outlet is arranged in the connecting part, so that the pipelines of the outlet can enter the inside of the bicycle bottom bracket pipe.
[0012] Further, the head tube comprises a first end and a second end, the diameter of the first end is smaller than that of the second end, and the inlet is arranged at the first end of the head tube.
[0013] Further, the first end of the head tube is provided with a reinforcing part, and the reinforcing part is used for centrally arranging a plurality of channel inlets.
[0014] The second aspect of the present application provides a bicycle comprising the bicycle head tube.
[0015] The present application has the following beneficial effects:
[0016] The present application has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the drawings, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative labor.
[0018] Figure 1 It is a top view of the head tube of the present application;
[0019] Figure 2 It is a side view of the head tube of the present application;
[0020] Figure 3 It is a second top view of the head tube of the present application;
[0021] Figure 4 Figure 2 is a side view of the head tube of the utility model;
[0022] Figure 5 Figure 4 is a schematic view of the connection between the head tube and the lower fork of the bicycle.
[0023] Brief Description of the Drawings: 1, head tube; 2, inlet; 3, first outlet; 4, second outlet; 5, channel; 6, connecting part; 7, first end; 8, second end; 9, reinforcing part.
[0024] The purposes, functional features and advantages of the drawings will be further described with reference to the drawings in conjunction with embodiments. DETAILED DESCRIPTION
[0025] In order to make the purposes, technical solutions and advantages of the present application clearer, the present application will be described and explained in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application. Based on the embodiments provided by the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0026] Obviously, the following description is only some examples or embodiments of the present application, and for those of ordinary skill in the art, the present application can also be applied to other similar scenarios without creative labor. In addition, it can be understood that although the efforts made in this development process can be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacture or production changes based on the technical content disclosed in the present application are only routine technical means and should not be understood as insufficient disclosure of the present application.
[0027] If not specifically stated, the "includes" and "contains" mentioned in the present application represent an open type and can also be a closed type. For example, the "includes" and "contains" can mean that other components not listed can also be included or contained, or only the listed components can be included or contained.
[0028] Referring to Figure 1 and Figure 2 , the embodiments of the first aspect of the present application provide a bicycle head tube 1, the head tube 1 is an internal hollow structure, the head tube 1 is provided with a channel 5 on the side wall of the head tube 1, the channel 5 is communicated from the inlet 2 of the first surface of the head tube 1 to the outlet of the second surface of the head tube 1 along the side wall of the head tube 1, the channel 5 is used for passing the pipeline of the bicycle.
[0029] The first face of the head tube 1 is provided with an inlet 2 at the front of the bicycle, and the second face is provided with an outlet at or near the connection between the head tube 1 and the lower fork.
[0030] The utility model discloses a channel 5 is arranged on the side wall of the head tube 1, which is communicated from the inlet 2 of the first face of the head tube 1 to the outlet of the second face of the head tube 1 along the side wall of the head tube 1, for allowing the pipeline of the bicycle to pass through, which can effectively reduce the exposure of the pipeline, realize the wiring inside the whole vehicle, avoid the problem that the pipeline is easy to rust outside, and improve the service life of the pipeline. At the same time, since the pipeline is limited in the channel 5 in the head tube 1, the friction between the pipelines and between the pipeline and the frame is reduced, thereby reducing the wear of the pipeline and improving the user experience of riding. In addition, by arranging multiple independent channels 5, the brake pipeline and the gear shifting pipeline can be accommodated respectively, interference between the pipelines is avoided, and the performance and safety of the whole vehicle are improved.
[0031] In the embodiment, the channel 5 is provided with two or more channels. Further, the channel 5 is provided with four channels, respectively for two brake pipelines and two gear shifting pipelines on the bicycle. When the head tube 1 of the application is provided with two channels 5, one channel 5 can be used for the front brake line to pass through, and the other channel 5 can be used for the rear brake line and the gear shifting line to pass through. The optimal scheme of the application is to provide four channels 5, respectively for one pipeline, to avoid the friction and interference between the pipelines and between the pipeline and the frame.
[0032] In the embodiment, the outlet is provided with two places, including a first outlet 3 and a second outlet 4, the first outlet 3 is used for the front brake pipeline to pass through, and the second outlet 4 is used for the rear brake pipeline and two gear shifting pipelines to pass through. The front brake pipeline of the first outlet 3 is introduced into the position of the frame front fork mounting brake; the rear brake pipeline and two gear shifting pipelines enter the frame lower fork pipeline 10 from the second outlet 4, to avoid the pipeline exposure.
[0033] Referring to Figure 5 In the embodiment, the second outlet 4 is provided with a connecting part 6 for connecting the bicycle lower fork pipeline 10, and the second outlet 4 is arranged in the connecting part 6, for allowing the pipeline of the outlet to enter the inside of the bicycle lower fork pipeline 10. The connection mode between the connecting part 6 and the bicycle lower fork pipeline 10 can be welding, screw connection, buckle connection or other suitable connection mode, to ensure the smooth passing of the pipeline.
[0034] Referring to Figure 3 and Figure 4 In the embodiment, the head tube 1 includes a first end 7 and a second end 8, the diameter of the first end 7 is smaller than the diameter of the second end 8, and the inlet 2 is arranged at the first end 7 of the head tube 1.
[0035] Referring toFigure 3 and Figure 4 In the embodiment, the first end 7 of the head tube 1 is provided with a reinforcing part 9, and the reinforcing part 9 is used to centrally arrange a plurality of channel 5 entrances 2. In addition, the design of the reinforcing part 9 can enhance the structural strength of the first end 7 of the head tube 1, so that the pipeline entrance 2 is more stable and avoids loosening or damage due to vibration or impact during riding. The shape and size of the reinforcing part 9 can be adjusted according to actual needs to achieve the best reinforcing effect.
[0036] The embodiment of the second aspect of the application provides a bicycle comprising the bicycle head tube.
[0037] In practical application, the bicycle head tube 1 and the bicycle of the present application can be put into use through simple installation and debugging. In the bicycle manufacturing process, the head tube 1 can be assembled with the frame, and then the brake pipeline, the gear shifting pipeline and the like are arranged and fixed through the channel 5 in the head tube 1. In this way, not only the appearance and the tidiness of the whole vehicle can be improved, but also the service life of the pipeline can be effectively prolonged and the safety and comfort of riding can be improved.
[0038] It should be noted that the present application is not limited to the above-mentioned embodiments. The above-mentioned embodiments are only examples, and embodiments having the same technical idea and playing the same role and effect within the technical solution range of the present application are all included in the technical solution range of the present application. In addition, within the scope of the main idea of the present application, various modifications of the embodiments that can be thought of by those skilled in the art, and other ways constructed by combining part of the constituent elements of the embodiments are also included in the scope of the present application.
Claims
1. A bicycle head tube, characterized in that The head tube (1) is internally hollow, and a plurality of channels (5) are arranged on the sidewall of the head tube (1) and communicate from an inlet (2) on a first side of the head tube (1) to an outlet on a second side of the head tube (1), and the channels (5) are used for passing the pipelines of the bicycle.
2. The bicycle head tube of claim 1, wherein The channels (5) are provided with two or more.
3. The bicycle head tube of claim 1, wherein The channels (5) are provided with four, respectively for passing two brake pipelines and two gear pipelines of the bicycle.
4. The bicycle head tube of claim 1, wherein, The outlet is provided with two, including a first outlet (3) and a second outlet (4), the first outlet (3) is used for passing the front brake pipeline, and the second outlet (4) is used for passing the rear brake pipeline and the two gear pipelines.
5. The bicycle head tube of claim 4, wherein, The second outlet (4) is provided with a connecting portion (6) for connecting the lower fork pipeline of the bicycle, and the second outlet (4) is arranged in the connecting portion (6), so that the pipelines of the outlet can enter the inside of the lower fork pipeline of the bicycle.
6. The bicycle head tube of claim 1, wherein, The head tube (1) includes a first end (7) and a second end (8), the diameter of the first end (7) is smaller than that of the second end (8), and the inlet (2) is arranged on the first end (7) of the head tube (1).
7. The bicycle head tube of claim 6, wherein, The first end (7) of the head tube (1) is provided with a reinforcing portion (9), and the reinforcing portion (9) is used for centrally arranging a plurality of channel inlets (2).
8. A bicycle characterized in that, A bicycle head tube comprising any one of claims 1-7. A bicycle head tube comprising any one of claims 1-7.