Full internal wiring structure for folding bicycle

By incorporating fully internal cable routing and a frame folding joint design, the problem of exposed cables on folding bicycles is solved, achieving cable concealment, enhanced bicycle stability, and easier folding operation.

CN223618840UActive Publication Date: 2025-12-02XIAMEN LIGHTWEIGHT COMPOSITE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520154587.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-02
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The exposed connecting cables on folding bicycles are prone to breakage due to friction, affecting riding safety and appearance.

Method used

The design incorporates fully internal cable routing, concealing the cables within the frame. The handbrake controller and brake pads are connected via perforations in the main frame, front tube, and rear wheel reinforcement tube. The bicycle is folded and assembled using frame folding joints and locking bolts.

Benefits of technology

It improves cable protection, enhances the overall strength and stability of the bicycle, reduces exposed cable portions, and facilitates folding operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223618840U_ABST
    Figure CN223618840U_ABST
Patent Text Reader

Abstract

The utility model relates to a full internal cabling structure for a folding bicycle, which belongs to the technical field of bicycle cabling structures and comprises a main frame and a cable used for controlling the running state of the bicycle, and the main frame comprises a rear wheel reinforcing tube arranged on the lower portion of the bicycle body, a front bicycle tube arranged on the upper portion of the bicycle body and a seat reinforcing tube arranged on one side of the bicycle body. The folding bicycle has the advantages that after being connected with the hand brake controller, the cable on the folding bicycle can sequentially penetrate through the front bicycle pipe, the main bicycle frame and the rear wheel reinforcing pipe till being connected with the first brake pad on the rear wheel body, in the mode, most of the cable is hidden in the bicycle body, the exposed part of the cable is reduced, and therefore the cable is prevented from being damaged. In this way, the protection effect on the cable can be improved, a positioning piece does not need to be additionally arranged on the main bicycle frame to fix the position of the cable, therefore, the folding operation of the bicycle cannot be affected due to protrusion of the positioning piece, and a user can better use the folding bicycle.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of bicycle cable routing structure technology, and in particular to a fully internal cable routing structure for folding bicycles. Background Technology

[0002] Bicycles are a green and environmentally friendly means of transportation, and are also suitable for recreation and leisure. Over a long period of development, bicycles have become increasingly equipped with various auxiliary functions, which has led to an increase in the number of control cables, such as brake cables, gear cables, and other electrical control cables. The layout of these control cables is related to the bicycle's riding safety and its overall visual appeal. Therefore, the rationality of the layout of these control cables has become crucial.

[0003] Currently, some folding bicycles have exposed connecting cables, which can cause the cables to break due to external friction during riding.

[0004] Therefore, we offer a fully internally routed cable structure for folding bicycles to address the aforementioned issues. Utility Model Content

[0005] In view of the above-mentioned problems existing in the prior art, the main objective of this utility model is to provide a fully internal wiring structure for folding bicycles.

[0006] The technical solution of this utility model is as follows: a fully internal cable routing structure for a folding bicycle, including a main frame and cables for controlling the bicycle's driving state. The main frame includes a rear wheel reinforcement tube located at the lower part of the bicycle body, a front tube located at the upper part of the bicycle body, and a seat reinforcement tube located on one side of the bicycle body. Two through holes are opened inside the rear wheel reinforcement tube, the main frame, and the front tube, through which the cables are threaded. A handbrake controller is located at the top of the main frame. A brake pad is located inside the rear wheel reinforcement tube. One end of the cable is connected to the handbrake controller, and the other end of the cable is connected to the brake pad.

[0007] By adopting the above technical solution, the cable on the folding bicycle, after being connected to the handbrake controller, will pass through the front tube, the main frame, and the rear wheel reinforcement tube in sequence, until it is connected to the brake pad on the rear wheel body. In this method, most of the cable is hidden inside the bicycle body, reducing the exposed part of the cable, thereby improving the protection effect of the cable.

[0008] In a preferred embodiment, the seat reinforcement tube is fixedly connected to the top of the main frame, and a rear fork is installed on the side of the seat reinforcement tube away from the main frame. The rear fork is welded to the rear wheel reinforcement tube.

[0009] By adopting the above technical solution and setting the rear fork, the support strength of the rear wheel body can be strengthened, thereby improving the overall strength of the folding bicycle.

[0010] In a preferred embodiment, a frame folding joint is provided between the front tube and the main frame, and the front tube and the main frame are connected by the frame folding joint. The frame folding joint is internally threaded with a locking bolt.

[0011] By adopting the above technical solution and using locking bolts, the front tube and the main frame can be installed together.

[0012] In a preferred embodiment, two rear wheel reinforcing tubes are provided, and the rear wheel body is rotatably mounted between the two rear wheel reinforcing tubes.

[0013] By adopting the above technical solution and through the setting of the rear wheel body, a folding bicycle can be moved forward.

[0014] In a preferred embodiment, an external gear is provided on one side of the main frame, and foot pedals are installed on both sides of the external gear. The foot pedals can be used for mounting foot pedals.

[0015] By adopting the above technical solution and by setting up the foot pedal, an installation location can be provided for the foot pedal, so that workers can install the foot pedal.

[0016] In a preferred embodiment, a U-shaped front frame is fixedly connected at the intersection of the front tube and the main frame, and the front wheel body is rotatably mounted inside the front frame.

[0017] By adopting the above technical solution and setting the front frame, support can be provided for the front wheels.

[0018] In a preferred embodiment, a second brake pad is installed between the front wheel body and the front frame, and the middle part of the main frame is divided into two sections, with a frame folding joint between the two sections of the main frame.

[0019] By adopting the above technical solution, the two main frame sections can be folded through the setting of the frame folding joint two.

[0020] In a preferred embodiment, a handle is installed at the end of the front tube away from the main frame, and the handbrake controller is installed on one side of the handle.

[0021] By adopting the above technical solution, the handlebars allow users to grip them securely while riding.

[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0023] 1. In this utility model, after the other end of the cable is connected to the brake pad, the cable on the folding bicycle is connected to the handbrake controller and then passes through the front tube, the main frame and the rear wheel reinforcement tube in sequence until it is connected to the brake pad on the rear wheel body. In the above method, most of the cable is hidden inside the bicycle body, reducing the exposed part of the cable, thereby improving the protection effect of the cable. Moreover, there is no need to add a positioning part on the main frame to fix the position of the cable. Therefore, the protrusion of the positioning part will not affect the folding operation of the bicycle.

[0024] 2. In this utility model, the bicycle can be folded by setting frame folding joint one and frame folding joint two, and the front tube and main frame can be installed together by using locking bolts, which can reduce the space occupied by the bicycle. Attached Figure Description

[0025] Figure 1 This utility model provides an overall perspective view of the fully internal wiring structure for a folding bicycle;

[0026] Figure 2 A partial schematic diagram of the fully internal wiring structure for a folding bicycle is provided for this utility model;

[0027] Figure 3 A top view of the fully internal wiring structure for a folding bicycle is provided for this utility model.

[0028] Legend: 1. Main frame; 2. Seat reinforcement tube; 3. Rear fork; 4. Brake pad 1; 5. Rear wheel reinforcement tube; 6. Pedals; 7. External gear; 8. Rear wheel body; 9. Front frame; 10. Brake pad 2; 11. Handbrake controller; 12. Handlebar; 13. Cable; 14. Frame folding joint 1; 15. Perforation; 16. Front tube; 17. Frame folding joint 2. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] Reference Figure 1-3The fully internal cable routing structure for folding bicycles includes a main frame 1 and cables 13 for controlling the bicycle's movement. The main frame 1 includes a rear wheel reinforcement tube 5 located at the bottom of the frame, a front tube 16 located at the top of the frame, and a seat reinforcement tube 2 located on one side of the frame. Two through holes 15 are formed inside the rear wheel reinforcement tube 5, the main frame 1, and the front tube 16, through which the cables 13 pass. A handbrake controller 11 is located at the top of the main frame 1. A brake pad 4 is located inside the rear wheel reinforcement tube 5. One end of the cables 13 is connected to the handbrake controller 11, and the other end of the cables 13 is connected to the brake pad 4. The cable 13 on the folding bicycle is connected to the handbrake controller 11 and then passes through the front tube 16, the main frame 1, and the rear wheel reinforcement tube 5 in sequence until it connects to the brake pad 4 on the rear wheel body 8. In this way, most of the cable 13 is hidden inside the bicycle body, reducing the exposed part of the cable 13, which can improve the protection of the cable 13. There is no need to add a positioning part on the main frame 1 to fix the position of the cable 13. Therefore, the protrusion of the positioning part will not affect the folding operation of the bicycle, allowing the user to use the folding bicycle better.

[0031] Specifically, the seat reinforcement tube 2 is fixedly connected to the top of the main frame 1. A rear fork 3 is installed on the side of the seat reinforcement tube 2 away from the main frame 1. The rear fork 3 is welded to the rear wheel reinforcement tube 5. The rear fork 3 strengthens the support of the rear wheel body 8, thereby improving the overall strength of the folding bicycle and making the bicycle more stable during riding. A frame folding joint 14 is provided between the front tube 16 and the main frame 1. The front tube 16 and the main frame 1 are connected by the frame folding joint 14. The frame folding joint 14 enables the folding of the front tube 16 and the main frame 1. The internal thread of the frame folding joint 14 is connected to a locking bolt. The front tube 16 and the main frame 1 can be installed together by the locking bolt. There are two rear wheel reinforcement tubes 5. The rear wheel body 8 is rotatably installed between the two rear wheel reinforcement tubes 5, allowing the folding bicycle to move forward.

[0032] Specifically, an external gear 7 is provided on one side of the main frame 1, and foot pedals 6 are installed on both sides of the external gear 7. The foot pedals 6 can be used to install foot pedals. The foot pedals 6 provide a place for foot pedals to be installed, so that workers can install foot pedals. A U-shaped front frame 9 is fixedly connected at the intersection of the front tube 16 and the main frame 1. The front frame 9 provides support for the front wheel. The front wheel body is rotatably installed inside the front frame 9. A brake pad 10 is installed between the front wheel body and the front frame 9. The middle of the main frame 1 is divided into two sections, and a frame folding joint 17 is provided between the two sections of the main frame 1. A handlebar 12 is installed at the end of the front tube 16 away from the main frame 1. The handlebar 12 allows the user to grip it while riding. A handbrake controller 11 is installed on one side of the handlebar 12.

[0033] Working principle: First, the operator can connect the cable 13 on the folding bicycle to the handbrake controller 11, and then pass it through the holes 15 on the front tube 16, the main frame 1, and the rear wheel reinforcement tube 5 in sequence, until it is connected to the brake pad 4 on the rear wheel body 8. In the above method, most of the cable 13 is hidden inside the bicycle body, reducing the exposed part of the cable 13, thereby improving the protection of the cable 13. There is no need to add external positioning parts on the main frame 1 to fix the position of the cable 13. Therefore, the protrusion of the positioning parts will not affect the folding operation of the bicycle. The pedal part 6 provides a place for the pedal to be installed, and the folding purpose of the bicycle can be achieved by the frame folding joint 14 and the frame folding joint 17. The front tube 16 and the main frame 1 can be installed together by the use of locking bolts.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0035] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A fully internal cable routing structure for a folding bicycle, comprising a main frame (1) and cables (13) for controlling the bicycle's riding state, characterized in that: The main frame (1) includes a rear wheel reinforcement tube (5) located at the lower part of the vehicle body, a front tube (16) located at the upper part of the vehicle body, and a seat reinforcement tube (2) located on one side of the vehicle body. The rear wheel reinforcement tube (5), the main frame (1), and the front tube (16) each have two through holes (15) inside. The through holes (15) are through which the cable (13) is threaded. The top of the main frame (1) is provided with a handbrake controller (11). The rear wheel reinforcement tube (5) is provided with a brake pad (4). One end of the cable (13) is connected to the handbrake controller (11), and the other end of the cable (13) is connected to the brake pad (4).

2. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: The seat reinforcement tube (2) is fixedly connected to the top of the main frame (1). A rear fork (3) is installed on the side of the seat reinforcement tube (2) away from the main frame (1). The rear fork (3) is welded to the rear wheel reinforcement tube (5).

3. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: A frame folding joint (14) is provided between the front tube (16) and the main frame (1). The front tube (16) and the main frame (1) are connected by the frame folding joint (14). The internal thread of the frame folding joint (14) is connected with a locking bolt.

4. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: Two rear wheel reinforcing tubes (5) are provided, and the rear wheel body (8) is rotatably installed between the two rear wheel reinforcing tubes (5).

5. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: The main frame (1) has an external gear (7) on one side, and foot pedals (6) are installed on both sides of the external gear (7). The foot pedals (6) can be used for foot pedal installation.

6. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: A U-shaped front frame (9) is fixedly connected at the intersection of the front tube (16) and the main frame (1), and the front wheel body is rotatably installed inside the front frame (9).

7. The fully internal cable routing structure for a folding bicycle according to claim 6, characterized in that: A second brake pad (10) is installed between the front wheel body and the front frame (9). The middle part of the main frame (1) is divided into two sections, and a frame folding joint (17) is provided between the two sections of the main frame (1).

8. The fully internal cable routing structure for a folding bicycle according to claim 1, characterized in that: A handle (12) is installed at the end of the front tube (16) away from the main frame (1), and the handbrake controller (11) is installed on one side of the handle (12).