CN210707775U - bicycle front fork - Google Patents

Abstract

A bicycle front fork comprises a front fork upper tube, a first fork leg, a second fork leg and an anti-lock brake mechanism assembly; the first fork leg is arranged at one end of the front fork upper tube; the second fork leg is arranged at one end of the front fork upper pipe, which is provided with the first fork leg; the second fork leg is provided with an accommodating space; the anti-lock brake mechanism assembly is at least partially arranged in the accommodating space of the second fork leg; the utility model discloses because the dead brake mechanism assembly of anti-lock sets up in the accommodation space of second fork foot at least partially and does not expose in the second fork foot for the dead brake mechanism assembly of anti-lock is difficult to be damaged by the collision, and makes the bicycle front fork have pleasing to the eye appearance.

Description

bicycle front fork

technical field

The utility model relates to a front fork, in particular to a bicycle front fork.

Background technique

As the public gradually pays attention to a life that places equal emphasis on health and entertainment, it is more and more common to use bicycles to achieve sports and leisure purposes. In order to increase the safety of riding, whether it is a high-end bicycle suitable for mountaineering or racing, or a low-end bicycle only for recreational use, all models are equipped with an anti-lock braking system.

However, the anti-lock braking system is expensive, and most of them are only fixed beside the wheel of the bicycle, which is easily damaged by collision. In addition, the exposed anti-lock brake system will also affect the appearance of the bicycle, making the design lines of the bicycle not smooth enough.

Utility model content

The technical problem to be solved by the present invention is to provide a bicycle front fork in view of the deficiencies of the prior art, so as to avoid the exposure of the anti-lock braking system, thereby avoiding the problems that the anti-lock braking system is damaged by collision and affects the appearance of the bicycle .

The technical problem to be solved by the present utility model is achieved through the following technical solutions:

A bicycle front fork disclosed in an embodiment of the present invention includes a front fork upper tube, a first fork leg, a second fork leg, and an anti-lock braking mechanism assembly. The first fork leg is arranged at one end of the upper tube of the front fork. The second fork leg is arranged on the end of the front fork upper tube where the first fork leg is arranged. The second prong has an accommodating space. The anti-lock braking mechanism assembly is at least partially disposed in the accommodating space of the second fork.

In other words, the present invention provides a bicycle front fork, comprising:

A front fork top tube;

a first fork foot, disposed at one end of the upper tube of the front fork;

a second fork leg, disposed at the end of the front fork upper tube where the first fork leg is disposed, and the second fork leg has an accommodating space; and

An anti-lock braking mechanism assembly is at least partially disposed in the accommodating space of the second fork.

The second prong further has a side wall surface and a slot, the side wall surrounds the accommodating space, the slot is located on the side wall surface and communicates with the accommodating space of the second prong, and the anti-lock brake The mechanism assembly is arranged in the accommodating space of the second fork and is not exposed to the outside.

The anti-lock braking mechanism assembly further includes a body part and a base part, the body part is disposed on the base part, and the base part is fixed on the side wall surface of the second fork.

The body part and the base part are in a tight fit configuration.

The base member is fixed on the side wall surface of the second fork by means of screw locking.

The main body further includes an oil pressure regulating cylinder, and the oil pressure regulating cylinder has an oil inlet channel and an oil outlet channel which communicate with each other and are opposite to each other.

The main body further includes a first oil pipe assembly and a second oil pipe assembly, the first oil pipe assembly is disposed in the oil pressure regulating cylinder and communicates with the oil outlet channel, and the second oil pipe assembly is disposed in the oil pressure The regulating cylinder is communicated with the oil inlet channel.

The main body further includes a circuit board disposed between the oil pressure regulating cylinder and the second oil pipe assembly.

The main body further includes a fixing sleeve, and the fixing sleeve is disposed between the circuit board and the second oil pipe assembly.

The main body further includes a waterproof cover, the waterproof cover is disposed on a side of the oil pressure regulating cylinder away from the first oil pipe assembly, and abuts against a side of the fixing sleeve away from the circuit board.

The slot of the second fork leg is used for an oil pipe to pass through.

The anti-lock brake mechanism assembly is used for connecting a brake caliper.

The anti-lock braking mechanism assembly is arranged between the front fork upper tube and the brake caliper.

The anti-lock braking mechanism assembly is arranged between a shock absorber unit and the brake caliper.

The shock-absorbing unit is arranged on the first fork, and the brake caliper is arranged on the second fork.

The second fork further has an opening facing the first fork, and at least a part of the anti-lock brake mechanism assembly and at least a part of the brake caliper are disposed on the second fork through the opening. the accommodating space.

The anti-lock braking mechanism assembly is fixed to the second fork by means of screw locking.

According to the anti-lock braking mechanism assembly disclosed in the above-mentioned embodiments, since the anti-lock braking mechanism assembly is at least partially disposed in the accommodating space of the second fork leg and not exposed to the second fork leg, the anti-locking braking mechanism assembly is prevented from being locked. The brake mechanism assembly is not easily damaged by collision, and makes the front fork of the bicycle have a beautiful appearance.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention, and provide further explanation of the scope of the patent application of the present invention.

Description of drawings

1 is an exploded perspective view of a bicycle front fork, an oil pipe, a brake caliper and a shock absorber unit according to an embodiment of the present invention;

Fig. 2 is a partial perspective exploded view of the bicycle front fork and the oil pipe of Fig. 1 from different viewing angles;

3 is a partial perspective view of the bicycle front fork and the oil pipe of FIG. 1 from different viewing angles;

FIG. 4 is a perspective view of the body part of the anti-lock braking mechanism assembly of the bicycle front fork of FIG. 1;

5 is an exploded perspective view of the body member of FIG. 4;

6 is an exploded perspective view of a bicycle front fork, an oil pipe and a brake caliper according to another embodiment of the present invention;

FIG. 7 is a three-dimensional schematic diagram of the bicycle front fork, the oil pipe and the brake caliper of FIG. 6 .

[Description of reference numerals]

1. 1' Bicycle Front Fork

10 Fork top tube

20, 20’ first prong

30, 30' second prong

31 Side wall face

32 Slotted

33’ opening

40, 40' Anti-lock brake mechanism assembly

41 Body parts

411 Oil pressure regulating cylinder

4111 oil inlet channel

4112 Oil outlet channel

412, 412’ The first oil pipe assembly

413 Second oil pipe assembly

414 circuit board

415 Fixed sleeve

416 Waterproof cover

42 Base piece

2 tubing

3 brake calipers

4 Suspension unit

5 screws

S accommodating space

Detailed ways

An embodiment of the present invention will be described below. First, please refer to FIG. 1 , which is a three-dimensional exploded view of a bicycle front fork 1 , an oil pipe 2 , a brake caliper 3 and a shock absorber unit 4 according to an embodiment of the present invention. picture.

The bicycle front fork 1 of the present embodiment is applied to, for example, a bicycle (not shown in the drawings). The bicycle front fork 1 includes a front fork upper tube 10 , a first fork leg 20 , a second fork leg 30 and an anti-lock braking mechanism assembly 40 . The first fork leg 20 is disposed at one end of the front fork upper tube 10 . The second fork leg 30 is disposed on the end of the front fork upper tube 10 where the first fork leg 20 is disposed. That is, the first fork leg 20 and the second fork leg 30 are disposed at the same end of the front fork upper tube 10 . The second fork 30 has an accommodating space S. The anti-lock braking mechanism assembly 40 is disposed in the accommodating space S of the second fork 30 and is not exposed to the outside. In this way, the anti-lock braking mechanism assembly 40 is not exposed to the second fork leg 30 , so that the anti-lock braking mechanism assembly 40 is not easily damaged by collision, and the bicycle front fork 1 has a beautiful appearance.

Please refer to FIGS. 1 to 3 , wherein FIG. 2 is a partially exploded perspective view of the bicycle front fork 1 and the oil pipe 2 of FIG. 1 from different viewing angles, and FIG. 3 is the bicycle front fork 1 and the oil pipe 2 of FIG. 1 from different viewing angles. Partial perspective view of . In this embodiment and some embodiments of the present invention, the anti-lock brake mechanism assembly 40 is used to connect a brake caliper 3 and a brake handle (not shown in the figure) through an oil pipe 2 . As shown in FIG. 1 , the anti-lock braking mechanism assembly 40 is disposed between, for example, the front fork upper tube 10 and the brake caliper 3 , and, for example, is disposed between the shock absorber unit 4 and the brake caliper 3 , wherein the brake caliper 3 is disposed, for example, In the second fork 30, the shock absorber unit 4 is, for example, a shock absorber and is disposed in the first fork 20, for example, but not limited thereto. In other embodiments, the brake caliper may also be disposed in the first fork, or the shock absorber unit may also be disposed in the second fork.

In this embodiment and some embodiments of the present invention, the second fork leg 30 further has a side wall surface 31 and a slot 32 . The side wall surface 31 surrounds the accommodating space S. The slot 32 is located on the side wall surface 31 and communicates with the accommodating space S of the second fork 30 . When the anti-lock braking mechanism assembly 40 is disposed in the accommodating space S, the slot 32 is used for the passage of the oil supply pipe 2 . The oil pipe 2 passes through the slot 32 from the accommodating space S, and can be operated along the front fork upper pipe 10 to the brake handle for the user to operate.

In this embodiment and some embodiments of the present invention, the anti-lock braking mechanism assembly 40 further includes a body member 41 and a base member 42 . For example, the body member 41 is disposed on the base member 42 in a tight-fitting configuration, which can save the use of additional fixing parts. The base member 42 is fixed to the side wall surface 31 of the second prong 30 by means of screw 5, for example, so as to avoid accidental damage to the main body member 41 due to excessive force when locking the anti-lock braking mechanism assembly 40 .

Next, please refer to FIG. 4 , which is a perspective view of the body member 41 of the anti-lock braking mechanism assembly 40 of the bicycle front fork 1 of FIG. 1 . In this embodiment and some embodiments of the present invention, the body member 41 further includes an oil pressure regulating cylinder 411 . The oil pressure regulating cylinder 411 has an oil inlet passage 4111 and an oil outlet passage 4112 which communicate with each other and are opposite to each other. The oil inlet channel 4111 is connected to the brake handle through the oil pipe 2 of FIG. 1 , and the oil outlet channel 4112 is connected to the brake caliper 3 of FIG. 1 through the oil pipe 2 . When the user presses the brake handle, the brake handle will generate oil pressure, and the oil pressure is transmitted to the brake caliper 3 through the oil pipe 2 and the oil pressure regulating cylinder 411, so that the brake caliper 3 clamps the wheel (not shown in the figure) provided on the bicycle. (shown) brake rotors (not shown) to cause the bicycle to brake.

In this embodiment and some embodiments of the present invention, the body member 41 further includes a first oil pipe assembly 412 and a second oil pipe assembly 413 . The first oil pipe assembly 412 is disposed in the oil pressure regulating cylinder 411 and communicates with the oil outlet passage 4112 , and the second oil pipe assembly 413 is disposed in the oil pressure regulating cylinder 411 and communicates with the oil inlet passage 4111 . The oil pipe 2 can be easily assembled to the oil pressure regulating cylinder 411 by the first oil pipe assembly 412 and the second oil pipe assembly 413, and the oil pipe 2 is not easily bent and can be smoothly connected to the oil outlet passage 4112 and the inlet. Oil passage 4111.

Next, please refer to FIG. 4 and FIG. 5 , wherein FIG. 5 is an exploded perspective view of the main body 41 of FIG. 4 . In this embodiment and some embodiments of the present invention, the body member 41 further includes a circuit board 414 . The circuit board 414 is disposed between the oil pressure regulating cylinder 411 and the second oil pipe assembly 413 . The circuit board 414 is used to control the operation of the anti-lock brake mechanism assembly 40 , and can adjust the clamping tightness of the brake caliper 3 to avoid the wheel of the bicycle from slipping due to the locking of the brake caliper 3 .

In this embodiment and some embodiments of the present invention, the body member 41 further includes a fixing sleeve 415 . The fixing sleeve 415 is disposed between the circuit board 414 and the second oil pipe assembly 413 to fix the position of the circuit board 414 .

In this embodiment and some embodiments of the present invention, the body member 41 further includes a waterproof cover 416 . The waterproof cover 416 is disposed on the side of the oil pressure regulating cylinder 411 away from the first oil pipe assembly 412 to prevent liquid such as rainwater from flowing into the oil pressure regulating cylinder 411, thereby preventing the anti-lock brake mechanism assembly 40 from malfunctioning. The waterproof cover 416 abuts against the side of the fixing sleeve 415 away from the circuit board 414 , so that the waterproof cover 416 can avoid a large area abutting against the circuit board 414 , thereby avoiding damage to the circuit board 414 due to excessive extrusion during assembly.

Please refer to Figure 6 and Figure 7. Fig. 6 is a perspective exploded view of a bicycle front fork 1', an oil pipe 2 and a brake caliper 3 according to another embodiment of the present invention. Fig. 7 is a partial perspective view of the bicycle front fork 1', the oil pipe 2 and the brake caliper 3 of Fig. 6 . The following only describes the differences between another embodiment of the present invention and some of the foregoing embodiments, and other similarities will be omitted. In this embodiment and some embodiments of the present invention, the second fork leg 30' further has an opening 33'. The opening 33' faces the first prong 20'. At least a part of the anti-lock brake mechanism assembly 40' and at least a part of the brake caliper 3 pass through the opening 33' and are fixedly disposed in the accommodating space S of the second fork 30', for example, by means of a screw 5 locking , but not limited to this. In other embodiments, at least part of the anti-lock brake mechanism assembly and at least part of the brake caliper can also be respectively disposed on the second fork and the first fork through the opening of the second fork and the opening of the first fork, respectively. The first fork foot, and the anti-lock brake mechanism assembly and the brake caliper are still connected with each other by the oil pipe.

In this embodiment and some embodiments of the present invention, other parts of the anti-lock brake mechanism assembly 40 ′ and other parts of the brake caliper 3 are exposed on the second fork 30 ′ and close to the first fork 20 ' side, wherein the anti-lock braking mechanism assembly 40' is locked to the second fork 30' by the first oil pipe assembly 412'. In this way, the anti-lock brake mechanism assembly 40 ′ and the brake caliper 3 are located between the first fork 20 ′ and the second fork 30 ′, so that the anti-lock brake mechanism assembly 40 ′ and the brake caliper 3 are not easily affected. Crash damage and give the bicycle front fork 1' an aesthetically pleasing appearance.

According to the bicycle front fork of the above-mentioned embodiment, the anti-lock braking mechanism assembly is at least partially disposed in the accommodating space of the second fork leg. In this way, the anti-lock braking mechanism assembly is not exposed to the second fork leg, so that the anti-lock braking mechanism assembly is not easily damaged by collision, and the bicycle front fork has a beautiful appearance.

In some embodiments, the second prong further has a side wall surface and a slot. When the anti-lock braking mechanism assembly is arranged in the accommodating space, the slot is used for the passage of the oil supply pipe. The oil pipe passes through the slot in the accommodating space, and can be operated along the front fork of the bicycle to the brake handle for the user to operate.

In some embodiments, the body part is tightly fitted with the base part, which can save the use of additional fixing parts. The base piece is locked on the side wall surface of the second fork with screws, so as to avoid accidental damage to the body piece due to excessive force when locking the anti-lock brake mechanism assembly.

Claims (17)

1. A bicycle front fork, comprising:

a front fork upper tube;

the first fork leg is arranged at one end of the front fork upper tube;

the second fork foot is arranged at one end of the front fork upper pipe, which is provided with the first fork foot, and is provided with an accommodating space; and

an anti-lock brake mechanism assembly at least partially disposed in the accommodating space of the second fork.

2. The bicycle fork of claim 1, wherein the second fork leg further comprises a sidewall surrounding the receiving space and a slot in the sidewall and communicating with the receiving space of the second fork leg, the anti-lock brake mechanism assembly being disposed in the receiving space of the second fork leg without being exposed.

3. The bicycle fork of claim 2, wherein the anti-lock brake mechanism assembly further comprises a body member disposed on the base member and a base member secured to the side wall surface of the second fork leg.

4. The bicycle fork of claim 3 wherein the body member and the base member are a close-fitting arrangement.

5. The bicycle fork of claim 3, wherein the base member is secured to the side wall surface of the second fork leg by a screw lock.

6. The bicycle fork of claim 3, wherein the body member further comprises an oil pressure adjustment cylinder having an oil inlet passage and an oil outlet passage in communication with and opposite to each other.

7. The bicycle fork of claim 6, wherein the body member further comprises a first tube assembly disposed in the cylinder and communicating with the outlet passage and a second tube assembly disposed in the cylinder and communicating with the inlet passage.

8. The bicycle fork of claim 7, wherein the body member further comprises a circuit board disposed between the hydraulic cylinder and the second tube assembly.

9. The bicycle fork of claim 8, wherein the body member further comprises a retaining sleeve disposed between the circuit board and the second tube assembly.

10. The bicycle fork of claim 9, wherein the body member further comprises a waterproof cover disposed on a side of the oil pressure adjustment cylinder away from the first oil tube assembly and abutting a side of the retaining sleeve away from the circuit board.

11. The bicycle fork of claim 2, wherein the slot of the second fork leg is configured to allow passage of an oil tube.

12. The bicycle fork of claim 1, wherein the anti-lock brake mechanism assembly is configured to couple to a brake caliper.

13. The bicycle fork of claim 12, wherein the anti-lock brake mechanism assembly is disposed between the top tube of the fork and the brake caliper.

14. The bicycle fork of claim 12, wherein the anti-lock brake mechanism assembly is disposed between a suspension unit and the brake caliper.

15. The bicycle fork of claim 14, wherein the suspension unit is disposed on the first fork leg and the brake caliper is disposed on the second fork leg.

16. The bicycle fork of claim 12, wherein the second fork leg further comprises an opening facing the first fork leg, at least a portion of the anti-lock brake mechanism assembly and at least a portion of the brake caliper being disposed in the receiving space of the second fork leg through the opening.

17. The bicycle fork of claim 16, wherein the anti-lock brake mechanism assembly is secured to the second fork leg by a screw lock.

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