Front and rear wheel hanging buckle structure of a folding bicycle

Abstract

The utility model discloses a front and rear wheel hanging buckle structure of folding bicycle, including bearing buckle spare, hook spare. Bearing buckle spare has bearing buckle part, the right lower fork rear of hook spare is installed to fixed, and the one end downside of hook spare has hook part, when folding bicycle is folded, the hook part can be buckled in bearing buckle part to form the buckle joint structure, and hook spare is equipped with the protection structure for the speed changer line to pass. The utility model discloses front and rear wheel hanging buckle structure installation convenient and strong adaptability: bearing buckle spare utilizes the existing disc brake support installation of front wheel, and hook spare utilizes the right lower fork installation of rear wheel, need not extra punch on the frame, and bearing buckle part can be adjusted position flexibly through the adjusting hole, and can adapt to folding bicycle of different models, size. The utility model discloses front and rear wheel hanging buckle structure folding fixed stable: the cooperation structure of hook part and inner recess type circumferential groove can ensure that the front and rear wheel is firmly buckled after folding, avoids that the front and rear frame separates or shakes, and promotes the carrying security.

Description

Technical Field

[0001] This utility model relates to folding bicycles, specifically to a front and rear wheel buckle structure for folding bicycles. Background Technology

[0002] Folding bicycles are widely used in daily commutes and short trips due to their ease of storage and portability. However, when folded, the front and rear wheels of existing folding bicycles typically lack a stable fixing structure, which can easily lead to relative wobbling and separation of the front and rear frames, affecting portability. At the same time, the derailleur cables of folding bicycles are mostly exposed, and are prone to wear and tear from friction with other parts during folding or daily use. This can result in decreased derailleur control sensitivity or even cable breakage, affecting the riding experience and the lifespan of the bicycle.

[0003] While there are some structures on the market for fixing the front and rear wheels of folding bicycles, they generally suffer from problems such as complex installation, non-adjustable position (making it difficult to adapt to different models of folding bicycles), and lack of derailleur cable protection, failing to meet users' needs for practicality and reliability of folding bicycles. Summary of the Invention

[0004] In view of the shortcomings of existing folding bicycles, such as unstable fixing of the front and rear wheels after folding and lack of effective protection for the derailleur cable, this utility model provides a front and rear wheel hook structure for folding bicycles to solve the above-mentioned technical problems.

[0005] To solve the above-mentioned technical problems, this utility model provides the following solution: A front and rear wheel hook structure for a folding bicycle, comprising:

[0006] A fastener, mounted on the disc brake bracket on the left side of the front wheel, has a fastening portion;

[0007] The hook is installed and fixed behind the right lower fork of the rear wheel. One end of the hook has a hook portion on its lower side. When the folding bicycle is folded, the hook portion can be fastened to the buckle portion to form a fastening structure. The hook also has a protective structure for the derailleur cable to pass through.

[0008] Furthermore, the fastener also has a fixing buckle, which is fixed to the disc brake bracket by a first screw. The fixing buckle has an adjustment hole of a certain length, and the fastener part is installed in the adjustment hole and its position is adjustable.

[0009] Furthermore, the fastening portion includes:

[0010] T-shaped sleeve, the T-shaped sleeve having through holes at both ends;

[0011] The second screw and nut, the T-sleeve are locked in one position of the adjustment hole by the second screw and nut, a concave circumferential groove is formed between the nut and the T-sleeve, and the hook is fastened to the post in the circumferential groove to form the fastening structure.

[0012] Furthermore, the hook is fixed to the rear right lower fork of the rear wheel by a third screw.

[0013] Furthermore, the hook portion is a C-shaped groove and is positioned downwards.

[0014] Furthermore, a protrusion is provided on one edge of the hook member away from the hook portion, and the end of the protrusion is provided with an inlet for the transmission cable to enter. The other side of the hook member is provided with a long groove, and the long groove is connected to the inlet.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The front and rear wheel hook structure of this utility model is easy to install and highly adaptable: the buckle is installed using the existing disc brake bracket of the front wheel, and the hook is installed using the right lower fork of the rear wheel, without the need to drill additional holes in the frame; the buckle part can be flexibly adjusted in position through the adjustment hole, and can be adapted to different models and sizes of folding bicycles.

[0017] 2. The front and rear wheel hook structure of this utility model is stable after folding: the matching structure of the hook and the concave circumferential groove can ensure that the front and rear wheels are firmly hooked after folding, avoiding separation or shaking of the front and rear frames and improving carrying safety.

[0018] 3. The front and rear wheel hook structure of this utility model can protect the transmission cable: the protrusion, inlet and long groove of the hook part form a complete transmission cable protection channel, which can avoid friction and wear between the cable and other parts, extend the service life of the transmission cable, and ensure the sensitivity of transmission operation. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the fastener of this utility model.

[0020] Figure 2 This is a structural diagram of the inner surface of the fastener of this utility model.

[0021] Figure 3 This is a three-dimensional structural diagram of the hook component of this utility model.

[0022] Figure 4 This is a structural diagram of the inner surface of this utility model.

[0023] Figure 5 This is a side view of the present invention.

[0024] Figure 6This is a schematic diagram showing the installation position of the fastener of this utility model.

[0025] Figure 7 This is a schematic diagram showing the installation position of the hook component of this utility model.

[0026] Figure 8 This is a diagram showing the pre-attached hook of the folding bicycle hook to the fastener after folding.

[0027] Figure 9 This is a diagram showing the state of the hook fastener being attached to the fastener when the folding bicycle of this utility model is folded.

[0028] The attached diagram is labeled as follows: 1. Fastener, 2. Hook, 11. First screw, 12. Fixing buckle, 13. Nut, 14. Adjustment hole, 15. Second screw, 16. Fastener part, 17. T-sleeve, 21. Protrusion, 22. Hook, 23. Inlet, 24. Countersunk hole, 25. Third screw, 26. Long groove. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0031] Example 1: The specific structure of this utility model is as follows:

[0032] Please refer to the appendix. Figures 1-5 The present invention relates to a front and rear wheel buckle structure for a folding bicycle, comprising:

[0033] Fastener 1, mounted on the disc brake bracket on the left side of the front wheel, the fastener 1 having a fastening part 16;

[0034] The hook 2 is installed and fixed behind the right lower fork of the rear wheel. One end of the hook 2 has a hook 22 on its lower side. When the folding bicycle is folded, the hook 22 can be fastened to the buckle 16 to form a fastening structure. The hook 2 is also provided with a protective structure for the derailleur cable to pass through.

[0035] The hook 22 is a C-shaped groove and is positioned downwards.

[0036] The fastener 1 also has a fixing buckle 12, which is fixed to the disc brake bracket by a first screw 11. It has an adjustment hole 14 of a certain length. The fastener part 16 is installed in the adjustment hole 14 and its position is adjustable. The adjustment hole 14 is an oval hole.

[0037] The fastening portion 16 includes:

[0038] T-shaped sleeve 17, which has through holes extending through both ends;

[0039] The second screw 15 and nut 13, and the T-sleeve 17 are locked to one position of the adjusting hole 14 by the second screw 15 and nut 13. A concave circumferential groove is formed between the nut 13 and the T-sleeve 17. The hook 22 is fastened to the post in the circumferential groove to form the fastening structure.

[0040] The hook 2 is fixed to the rear right lower fork of the rear wheel by a third screw 25. The outer side of the hook 2 is provided with a countersunk hole 24. The third screw 25 passes through the countersunk hole 24 to lock the hook 2 to the rear right lower fork of the rear wheel.

[0041] A protrusion 21 is provided on one edge of the hook 2 away from the hook 22. The end of the protrusion 21 is provided with an inlet 23 for the transmission cable to enter. The other side of the hook 2 is provided with a long groove 26, which is connected to the inlet 23.

[0042] Example 2:

[0043] The following is the operating principle of the front and rear wheel hook structure of this utility model:

[0044] Fastener 1 installation: such as Figure 6 As shown, the fixing buckle 12 of the fastener 1 is attached to the disc brake bracket on the left side of the front wheel, and the fixing buckle 12 is locked and fixed by the first screw 11; according to the relative position of the front and rear wheels after the folding of the bicycle, the position of the fastener 16 in the adjustment hole 14 is adjusted: loosen the second screw 15 and the nut 13, move the T-shaped sleeve 17 to the appropriate position, and then tighten the second screw 15 and the nut 13 again to fix the fastener 16. At this time, a concave circumferential groove is formed between the nut 13 and the T-shaped sleeve 17.

[0045] Hook Component 2 Installation and Gearbox Line Layout: (e.g.) Figure 7 As shown, the hook 2 is attached to the rear of the lower right fork of the rear wheel, and the hook 2 is locked and fixed by the third screw 25 through the countersunk hole 24; the end of the cable connecting the front derailleur to the rear derailleur is inserted through the inlet 23 of the protrusion 21, and then guided into the long groove 26 on the other side of the hook 2. Finally, the end of the cable is fixed by anti-reverse components such as cable clips and fastening bolts to ensure that the cable cannot come out of the long groove 26, thus completing the protective arrangement of the derailleur cable.

[0046] Fold the frame according to the standard folding steps for a folding bicycle. Figure 8 As shown, the front frame is flipped to a position close to the rear frame; the position of the front frame is further adjusted so that the hook 22 on the lower side of the hook member 2 is aligned with the concave circumferential groove of the fastener 1, and the hook 22 is fastened into the post part in the circumferential groove as shown. Figure 9 As shown, at this point, the front and rear frames form a stable interlocking structure, and the front frame cannot detach from the rear frame, thus completing the fixation after folding.

[0047] In summary, the front and rear wheel hook structure of this utility model is easy to install and highly adaptable: the buckle is installed using the existing disc brake bracket on the front wheel, and the hook is installed using the right lower fork on the rear wheel, eliminating the need for additional drilling on the frame; the buckle can be flexibly adjusted in position via adjustment holes, adapting to different models and sizes of folding bicycles. The front and rear wheel hook structure of this utility model provides stable fixation after folding: the C-shaped hook and the concave circumferential groove ensure a secure connection between the front and rear wheels after folding, preventing separation or wobbling of the front and rear frames and improving carrying safety. The front and rear wheel hook structure of this utility model protects the derailleur cable: the protrusion, inlet, and long groove of the hook form a complete protective channel for the derailleur cable, preventing friction and wear between the cable and other components, extending the service life of the derailleur cable, and ensuring the sensitivity of the derailleur operation.

[0048] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A front and rear wheel buckle structure for a folding bicycle, characterized in that, include: The fastener (1) is installed on the disc brake bracket on the left side of the front wheel, and the fastener (1) has a fastening part (16). The hook (2) is installed and fixed behind the right lower fork of the rear wheel. One end of the hook (2) has a hook (22) on its lower side. When the folding bicycle is folded, the hook (22) can be fastened to the buckle (16) to form a fastening structure. The hook (2) is also provided with a protective structure for the derailleur cable to pass through.

2. The front and rear wheel buckle structure of a folding bicycle according to claim 1, characterized in that, The fastener (1) also has a fixing buckle (12), which is fixed to the disc brake bracket by a first screw (11). It has an adjustment hole (14) of a certain length, and the fastener part (16) is installed in the adjustment hole (14) and its position is adjustable.

3. The front and rear wheel buckle structure of a folding bicycle according to claim 2, characterized in that, The fastening part (16) includes: T-shaped sleeve (17), the T-shaped sleeve (17) is provided with through holes at both ends; The second screw (15) and nut (13) are used to lock the T-sleeve (17) in one position of the adjustment hole (14). A concave circumferential groove is formed between the nut (13) and the T-sleeve (17). The hook (22) is fastened to the post in the circumferential groove to form the fastening structure.

4. The front and rear wheel buckle structure of a folding bicycle according to claim 1, characterized in that, The hook (2) is fixed to the rear right lower fork of the rear wheel by a third screw (25).

5. The front and rear wheel buckle structure of a folding bicycle according to claim 1, characterized in that, The hook (22) is a C-shaped groove and is set downwards.

6. The front and rear wheel buckle structure of a folding bicycle according to claim 1, characterized in that, A protrusion (21) is provided on one edge of the hook (2) away from the hook (22). The end of the protrusion (21) is provided with an inlet (23) for the transmission cable to enter. The other side of the hook (2) is provided with a long groove (26), which is connected to the inlet (23).

Images