CN206679168U - Internal wiring type bicycle and front fork structure thereof - Google Patents

Abstract

The utility model discloses an interior line formula bicycle of walking and front fork structure thereof, this bicycle have a hand (hold), a riser, a bowl group, a frame and a front fork structure, and this frame has an upper tube, a lower tube and a head pipe, and this head pipe is the cavity form, and after this handle and riser combination, passes this head pipe and this riser combination with this front fork structure, is organized spacing lock solid by this bowl again, and the front fork structure of this bicycle includes: a fork tube in an inverted V shape; the vertical pipe is arranged at the top end of the fork pipe and is provided with a first opening; the head pipe is provided with a second opening, and when the vertical pipe of the front fork structure penetrates through the head pipe and is combined with the vertical pipe, the first opening corresponds to and is communicated with the second opening.

Description

Inner cable routing bicycle and its front fork structure

technical field

The utility model relates to an inner wiring type bicycle and its front fork structure, in particular to an inner wiring type bicycle and its front fork which can hide the brake line group and the speed change line in the bicycle tube so that the line group cannot be seen from the outside. fork structure.

Background technique

Please refer to Fig. 1, which is a schematic diagram of a conventional bicycle. As shown in Figure 1, this existing bicycle is equipped with brake line 3 and speed change line 2 for operating brake and speed change respectively at the left and right sides of the driver's handlebar, along vehicle frame 1 and front fork pipe 5 to front, Rear brake and derailleur. The existing way of fixing the brake cable 3 and the shift cable 2 is usually to use a plurality of harnesses 4 formed on the outer surface of the frame 1 so that the brake cable 3 and the shift cable 2 are exposed.

Existing bicycles have the following problems: they are easy to be stained and damp, and the work of cleaning and finishing is not easy when the dirt accumulates over time. In addition, because the wire groups are exposed, they are easily scratched and the metal wires in the wires are rusted and broken. , thereby affecting driving safety.

Utility model content

In order to solve the above-mentioned problems, the purpose of this utility model is to provide an inner wiring type bicycle and its front fork structure, especially one that can hide the brake cable group and the speed change cable in the bicycle tube so that the cable group cannot be seen from the outside. Inner routing bicycle and its front fork structure.

The utility model provides a front fork structure of a bicycle. The bicycle has a handlebar, a standpipe, a headset, a frame and a front fork structure. The frame has an upper tube, a lower tube and a head tube. The head tube is hollow. After the handlebar is combined with the seat tube, the front fork structure is passed through the head tube and combined with the seat tube, and then the headset is limited and locked on the top of the head tube of the frame. , the front fork structure of the bicycle includes:

a pronged tube in an inverted V shape; and

A standpipe is arranged at the top end of the fork pipe, and the standpipe has a first opening;

Wherein, the head tube has a second opening, the vertical tube of the front fork structure passes through the head tube and is combined with the vertical tube, and the first opening corresponds to and communicates with the second opening.

The shape of the first opening is selected from one of ellipse, rectangle and circle.

The second opening communicates with the down tube of the vehicle frame.

The head tube also includes a third opening that communicates with the upper tube of the vehicle frame. The three openings correspond to and communicate with each other.

The first hole has a plurality of openings.

The utility model also provides an inner wiring type bicycle, comprising:

A handlebar, the two ends of which are respectively equipped with a brake assembly and a speed change assembly;

a standpipe having a transverse opening at one end for the handlebar to pass through and a longitudinal opening at the other end;

A front fork structure, which includes an inverted V-shaped fork tube and a vertical tube arranged at the top of the fork tube, the vertical tube has a first opening;

A frame, which has an upper tube, a lower tube and a head tube, the head tube is hollow and has a second opening;

A brake cable set, including a front brake cable and a rear brake cable, which are respectively connected to the front brake and the rear brake of the inner cable type bicycle from the brake assembly;

a shifting cable connected from the shifting assembly to the shifter of an internally routed bicycle; and

a bowl set;

Wherein, the vertical tube of the front fork structure passes through the head tube and is combined with the vertical tube, and then the headset is limited and locked on the top of the head tube of the vehicle frame. The first opening and the second opening Corresponding and interlinked, and the front brake line and the rear brake system go from the brake assembly through the pipe of the handlebar, the standpipe, the inside of the standpipe, and then respectively to a front brake at the front end of the front fork structure and through the The first opening, the second opening, the vehicle frame to a rear brake, the shifting cable set passes through the tube of the handlebar from the shifting assembly, the standpipe, the inside of the standpipe, the first opening, the The second opening, the vehicle frame to a transmission.

The aforementioned internal cable routing bicycle further includes a cover plate that covers the vertical opening of the standpipe.

The above-mentioned inner-route bicycle further includes a ring set between the headset and the standpipe, the headset has external threads, and the inner wall of the ring has internal threads that are screwed together with the external threads of the headset.

The second opening communicates with the lower tube of the vehicle frame, and the rear brake line passes through the tube of the handlebar, the standpipe, and the inside of the standpipe from the brake assembly, then passes through the first opening, the second Opening, the lower tube to the rear brake, the shift cable set from the shifting assembly through the tube of the handlebar, the standpipe, the inside of the vertical tube, the first opening, the second opening, the lower tube to the transmission.

The head tube also includes a third opening that communicates with the upper tube of the vehicle frame. The three openings correspond to and communicate with each other. The rear brake line goes from the brake assembly through the handlebar tube, the standpipe, and the inside of the standpipe, through the first opening, the third opening, and the upper tube to the rear For the brake, the shift wire set passes from the shift assembly through the pipe of the handlebar, the standpipe, the inside of the standpipe, the first opening, the second opening, and the lower pipe to the transmission.

Compared with the prior art, the utility model hides the wiring of the brake line and the speed change line in the tube of the bicycle, and the brake line and the speed change line cannot be seen from the outside of the whole bicycle, which not only makes the whole frame more beautiful, but also can reduce the bicycle riding time. The effect of wind resistance when running, and can protect the line from being stained and damaged, so as to achieve the purpose of safety and long-term use.

Description of drawings

Fig. 1 is a schematic diagram of an existing bicycle.

Fig. 2 is a part assembly assembly diagram of the inner wiring type bicycle of the present invention.

Fig. 3 is a schematic diagram of the structure of the front fork of the present invention.

Fig. 4 is a schematic diagram of another embodiment of the front fork structure of the present invention.

5A to 5C are schematic diagrams of variations of the head pipe of the inner cable routing bicycle of the present invention.

Fig. 6 is a partial assembled component diagram of the utility model inner cable routing bicycle after routing.

Fig. 7 is a partial cross-sectional view of the utility model's inner cable routing bicycle.

Fig. 8 is a schematic diagram of the assembled bicycle of the utility model with internal routing.

Fig. 9 is a schematic diagram of an assembled inner-route bicycle according to another embodiment of the utility model.

【Symbol Description】

2. Shift cable; 20. Front fork structure; 21. Fork tube; 22. Standpipe; 23. First opening; 3. Brake line; 30. Frame; 32. Head tube; 33. Second opening; 34, upper tube; 35, third opening; 36, lower tube; 40, standpipe; 41, horizontal opening; 42, longitudinal opening; 43, cover plate; 50, beam ring; 51, internal thread; 52, bolt Column; 60, headset; 61, external thread; 70, handlebar; 71, perforation; 72, line outlet; 80, transmission; 90, front brake; 92, rear brake; 94, rear brake.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are only Refer to attached drawings for directions. Therefore, the used directional terms are used to illustrate and understand the present invention, but not to limit the present invention.

As shown in FIGS. 2 to 4 , the inner wiring type bicycle of the present invention has a handlebar 70 , a standpipe 40 , a beam ring 50 , a headset 60 , a frame 30 and a front fork structure 20 .

The vehicle frame 30 has an upper tube 34, a lower tube 36 and a head tube 32. The head tube 32 is hollow. One end of the stand tube 40 has a transverse opening 41 for the handlebar 70 to pass through, and the other end has a longitudinal opening. 42. After the rider handlebar 70 is combined with the seat tube 40, the front fork structure 20 is combined with the seat tube 40 through the head tube 32, and then the front fork structure 20 is limited and locked on the frame 30 by the ring 50 and the headset 60 above the head pipe 32. It should be noted that the clamping ring 50 is arranged between the headset 60 and the standpipe 40, the headset 60 has an external thread 61, and the inner wall of the clamping ring 50 has an internal thread 51 which can be screwed with the external thread 61 of the headset 60. combine.

The front fork structure 20 of the present utility model comprises an inverted V-shaped fork tube 21 and a vertical tube 22 arranged at the top of the fork tube 21, and the vertical tube 22 is provided with a first opening 23 in a default position, opposite to Specifically, the head tube 32 is also provided with a second opening 33, so that when the vertical tube 22 of the front fork structure 20 passes through the head tube 32 and combines with the vertical tube 40, the first opening 23 will correspond to and communicate with the second opening 33. .

As shown in Figures 5A to 5C, in this embodiment, the second opening 33 is formed at the position of the head tube 32 to communicate with the down tube 36, which is mostly because the frame where the rear brake and transmission are located is located in the down tube. 36, of course, in other embodiments, the positions of the vehicle frame where the rear brake and the speed changer are located will be respectively located near the upper tube 34 and the lower tube 36. At this time, the head tube 32 can additionally have a third opening 35 It communicates with the upper tube 34 of the vehicle frame 30. When the vertical tube 22 passes through the head tube 32 and combines with the vertical tube 40, the first opening 23 of the vertical tube 22 corresponds to the second opening 33 and the third opening 35 respectively. connected.

As shown in Figures 3 and 4, the design of the first opening 23 of the standpipe 22 can be single hole or multi-hole, and the shape can be oval, rectangular or circular, as long as it can be connected with the upper pipe 34 and the upper pipe 34 of the vehicle frame 30. The lower pipe 36 corresponds to and runs through, which are conceivable variations of the utility model, and will not be described in detail below.

As shown in Figures 6 to 9, the two ends of the handlebar 70 of the inner wiring type bicycle of the present invention are respectively equipped with a brake assembly, a speed change assembly, and a brake line group, including a front brake line 3 and a rear brake line. The line 3 is connected to the front brake 90 and the rear brake 92 of the inner wiring type bicycle respectively from the brake assembly, and a speed change line 2 is connected to a speed changer 80 from the speed change assembly.

When assembling the front and rear brake wires 3 and the speed change wire 2 of the present utility model, the front brake wire 3 and the rear brake wire 3 enter the perforation 71 on the handlebar 70 from the brake assembly to the pipe of the handlebar 70, and then pass through the handlebar. 70 to the inside of the standpipe 40 and the standpipe 22, and then to the front brake 90 at the front end of the front fork structure 20 and the rear brake through the first opening 23, the second opening 33, and the lower pipe 36. Gear 92; the shifting cable 2 enters the perforation 71 on the handlebar 70 from the shifting assembly to the pipe of the handlebar 70, and then passes through the wire outlet hole 72 of the handlebar 70 to the inside of the standpipe 40, the standpipe 22, and the first opening 23. The second opening 33, the down tube 36 to the transmission 80; then, pass the vertical tube 22 of the front fork structure 20 through the head tube 32 to the longitudinal opening of the vertical tube 40, and then put the cover plate 43 on the vertical tube 40 Cover on the longitudinal opening 42 of the standpipe 40, and screw on both sides of the longitudinal opening 42 of the standpipe 40, so that the front fork structure 20 and the standpipe 40 are firmly combined. At this time, the first opening 23 and the second The two openings 33 correspond to and communicate with each other, as shown in FIG. 7 . Finally, the headset 60 of the present utility model is rotated in the direction of the longitudinal opening 42 of the standpipe 40. Since the standpipe 40 has been firmly combined with the front fork structure 20, the rotation of the headset 60 will stretch the beam ring 50 and The urgent force of pressing down is generated, and the bolt column 52 on the vertical ring 50 is locked, and the action of locking the front fork structure 20 of the present invention to the vehicle body can be completed.

It should be noted that, in this embodiment, the rear brake 92 is installed near the end of the lower pipe 36 as an example, and the rear brake line 3 and the transmission line 2 all pass through the first opening 23, the second opening 33, the lower The tubes lead to the corresponding rear brake 92 and transmission 80, as shown in FIG. 8 . If the traditional rear brake 94 is installed near the end of the upper tube 34 as an example, then the rear brake 94 will pass through the pipe of the handlebar 70 from the brake assembly, the inside of the standpipe 40 and the inside of the standpipe 22, and then pass through the first opening. hole 23, the third opening 35, the upper pipe 34 to the rear brake 94, and the shift wire 2 passes through the pipe of the handlebar 70 from the shift assembly, the standpipe 40, the inside of the standpipe 22, the first opening 23, the second Two openings 33, the lower tube 32 to the transmission 80, as shown in FIG. 9 .

The above embodiments and the front and rear brakes 90, 94 shown in the illustrations take traditional brakes as an example for illustration, and the front fork structure 20 of the present utility model can also be applied to hydraulic disc brakes or other brakes. in structure.

Compared with the prior art, the utility model hides the wiring of the brake line and the speed change line in the tube of the bicycle, and the brake line and the speed change line cannot be seen from the outside of the whole bicycle, which not only makes the whole frame more beautiful, but also can reduce the bicycle riding time. The effect of wind resistance when running, and can protect the line from being stained and damaged, so as to achieve the purpose of safety and long-term use.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. A front fork structure of a bicycle, the bicycle has a handlebar, a standpipe, a headset, a vehicle frame and a front fork structure, the vehicle frame has an upper tube, a lower tube and a head tube, the head The tube is hollow. After the handlebar is combined with the seat tube, the front fork structure is passed through the head tube and combined with the seat tube, and then the headset is limited and locked on the top of the head tube of the frame. Characteristically, the front fork structure of the bicycle includes: a pronged tube in an inverted V shape; and A standpipe is arranged at the top end of the fork pipe, and the standpipe has a first opening; Wherein, the head tube has a second opening, the vertical tube of the front fork structure passes through the head tube and is combined with the vertical tube, and the first opening corresponds to and communicates with the second opening. 2. The front fork structure of a bicycle as claimed in claim 1, wherein the shape of the first opening is selected from one of ellipse, rectangle and circle. 3. The front fork structure of a bicycle as claimed in claim 1, wherein the second opening communicates with the down tube of the vehicle frame. 4. The front fork structure of a bicycle as claimed in claim 3, wherein the head tube further includes a third opening that communicates with the upper tube of the vehicle frame, and the vertical tube passes through the head tube and the vertical tube. When the tubes are combined, the first opening corresponds to and communicates with the second opening and the third opening respectively. 5. The front fork structure of a bicycle according to claim 3 or 4, wherein the first hole has a plurality of openings. 6. A kind of interior wiring type bicycle, it is characterized in that, comprises: A handlebar, the two ends of which are respectively equipped with a brake assembly and a speed change assembly; a riser having a transverse opening at one end for the handlebar to pass through and a longitudinal opening at the other end; A front fork structure, which includes an inverted V-shaped fork tube and a vertical tube arranged at the top of the fork tube, the vertical tube has a first opening; A frame, which has an upper tube, a lower tube and a head tube, the head tube is hollow and has a second opening; A brake cable set, including a front brake cable and a rear brake cable, which are respectively connected to the front brake and the rear brake of the inner cable type bicycle from the brake assembly; a shifting cable connected from the shifting assembly to the shifter of an internally routed bicycle; and a bowl set; Wherein, the vertical tube of the front fork structure passes through the head tube and is combined with the vertical tube, and then the headset is limited and locked on the top of the head tube of the vehicle frame. The first opening and the second opening Corresponding and interlinked, and the front brake line and the rear brake system go from the brake assembly through the pipe of the handlebar, the standpipe, the inside of the standpipe, and then respectively to a front brake at the front end of the front fork structure and through the The first opening, the second opening, the vehicle frame to a rear brake, the shifting cable set passes through the tube of the handlebar from the shifting assembly, the standpipe, the inside of the standpipe, the first opening, the The second opening, the vehicle frame to a transmission. 7 . The internal cable routing bicycle as claimed in claim 6 , further comprising a cover plate covering the vertical opening of the standpipe. 8 . 8. The internal cable routing bicycle as claimed in claim 6, further comprising a bundle ring disposed between the headset and the standpipe, the headset has external threads, and the inner wall of the bundle ring has internal threads It is screwed with the external thread of the headset. 9. The inner-route bicycle according to claim 6, wherein the second opening communicates with the lower tube of the vehicle frame, and the rear brake line runs from the brake assembly through the tube of the handlebar, The standpipe, the inside of the standpipe, through the first opening, the second opening, the lower pipe to the rear brake, the shift cable set from the shift assembly through the inside of the handlebar tube, the standpipe, the Inside the standpipe, the first opening, the second opening, the lower tube to the transmission. 10. The internally routed bicycle according to claim 6, wherein the head tube further includes a third opening connected with the upper tube of the vehicle frame, and the vertical tube passes through the head tube and the vertical tube. When the tubes are combined, the first opening is corresponding to and communicated with the second opening and the third opening respectively, and the rear brake line passes from the brake assembly through the inside of the tube of the handlebar, the standpipe, and the inside of the standpipe. Through the first opening, the third opening, the upper tube to the rear brake, the shift cable set passes through the tube of the handlebar, the standpipe, the inside of the standpipe, and the first opening from the shifting assembly , the second opening, the lower tube to the transmission.