Bicycle oil pressure disc brake device

Abstract

The utility model discloses a bicycle oil pressure disc brake device which comprises an oil supply mechanism and a brake mechanism, the brake mechanism is provided with a brake disc and two sets of calipers, and the calipers act on the brake disc at the same time to achieve the braking effect. The brake mechanism further comprises a conversion base installed on the front fork or the rear fork, and the two sets of calipers are both installed on the conversion base. According to the utility model, a hydraulic oil path is changed, one path is changed into two paths, and a single caliper is changed into double calipers through the conversion base, so that the braking effect is better and more excellent.

Description

Technical Field

[0001] The utility model relates to a bicycle hydraulic disc brake device. Background Art

[0002] Disc brakes consist of a brake disc connected to the wheel and a brake caliper on the edge of the disc. When braking, high-pressure brake fluid pushes the brake pads to clamp the brake disc to produce a braking effect. Most of the current high-end bicycles use disc brakes.

[0003] Most of the disc brakes currently used on bicycles adopt a single caliper mode. In certain extreme cases, there is still a phenomenon of insufficient braking force, resulting in a long braking distance and posing certain safety hazards. Utility Model Content

[0004] The utility model aims at the deficiencies in the prior art and provides a bicycle hydraulic disc brake device which adopts a double-caliper mode for braking and has a better braking effect.

[0005] In order to solve the above technical problems, the utility model solves them through the following technical solutions: a bicycle hydraulic disc brake device, including an oil supply mechanism and a brake mechanism, the brake mechanism is provided with a brake disc and two sets of calipers, the calipers act on the brake disc simultaneously to achieve braking effect; the brake mechanism also includes a conversion seat installed on the front fork or the rear fork, and the two sets of calipers are installed on the conversion seat.

[0006] Preferably, the conversion seat is provided with a first connecting portion and a second connecting portion, and caliper mounting holes are provided on the two connecting portions, so that the caliper can be detachably installed by bolt connection; a fixing hole is provided on the conversion seat, and the caliper is connected and installed on the front fork by bolts passing through the fixing holes.

[0007] Preferably, the first connecting portion and the second connecting portion are located on the same straight line, and the fixing hole is located between the two connecting portions.

[0008] Preferably, an angle is formed between the first connection portion and the second connection portion, and the fixing hole is located on any one of the connection portions.

[0009] Preferably, the space between the angles of the first connecting portion and the second connecting portion is not less than the installation space required for a single caliper.

[0010] Preferably, the angle is 30 degrees to 180 degrees.

[0011] Preferably, the oil supply mechanism includes a brake handle, the brake handle is connected to a handle oil pipe, an oil separator is provided at the end of the handle oil pipe, the oil separator is connected to a first oil pipe and a second oil pipe, the first oil pipe and the second oil pipe are respectively connected to a first caliper and a second caliper, and the first caliper and the second caliper are installed at a first connecting part and a second connecting part on the conversion seat.

[0012] Preferably, the oil supply mechanism is provided with two oil pipes to supply oil to the two sets of calipers respectively.

[0013] Preferably, the conversion seat is an arc-shaped structure, with the first connecting portion and the second connecting portion at both ends, and the fixing hole is located between the two connecting portions.

[0014] The utility model provides a bicycle hydraulic disc brake device, which can change one circuit into two circuits by changing the hydraulic oil circuit, and then change a single caliper into a double caliper by converting a base, so as to achieve better braking effect and more excellent braking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of a bicycle equipped with the utility model.

[0017] Figure 2 It is a structural schematic diagram of the utility model.

[0018] Figure 3 It is a cross-sectional schematic diagram of the utility model.

[0019] Figure 4 This is a schematic diagram of the relative positions of the two connecting parts of the utility model.

[0020] In the figure: brake handle 1, handle oil pipe 2, oil distributor 3, first oil pipe 4, second oil pipe 5, first caliper 6, second caliper 7, conversion seat 8, first connecting part 81, second connecting part 82, fixing hole 83, caliper mounting hole 84. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments described in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 4 As shown, this embodiment is a bicycle hydraulic disc brake device, including an oil supply mechanism and a brake mechanism, wherein the brake mechanism adopts a double caliper structure to clamp the same brake disc, thereby being able to provide sufficient braking force. The specific structure is as follows.

[0023] A conversion seat 8 is installed on the front fork or rear fork of the bicycle. The conversion seat 8 has a first connecting portion 81 and a second connecting portion 82, and the two connecting portions are provided with a caliper mounting hole 84, and the first caliper 6 and the second caliper 7 are detachably mounted by bolt connection.

[0024] A fixing hole 83 is provided on the conversion seat 8, and the conversion seat 8 is connected and installed on the front fork or the rear fork by passing bolts through the fixing hole 83.

[0025] The oil supply mechanism includes a brake handle 1, a handle oil pipe 2 and an oil distributor 3, which are connected in sequence. The oil distributor 3 is connected to a first oil pipe 4 and a second oil pipe 5. The two oil pipes are respectively connected to a first caliper 6 and a second caliper 7 to provide high-pressure oil thereto, thereby driving both to clamp the brake disc to achieve the braking effect.

[0026] The conversion seat 8 of the device has various shapes: in the first shape, the conversion seat 8 is in an elongated strip shape, the first connecting portion 81 and the second connecting portion 82 are located on the same straight line, and the fixing hole 83 is located between the two connecting portions.

[0027] The second type is that an angle is formed between the first connection part 81 and the second connection part 82, and the fixing hole 83 is located on any one of the connection parts. In this case, the space between the angles of the first connection part 81 and the second connection part 82 is not less than the installation space required for a single caliper. And the angle is 30 degrees to 180 degrees. Figure 4 The case shown is 50 degrees.

[0028] In the third case, the conversion seat 8 is arc-shaped, with two ends being the first connection part 81 and the second connection part 82 , and the fixing hole 83 is located between the two connection parts.

[0029] In another shape, both ends of the conversion seat 8 are tilted to form an angle with the conversion seat 8, and the two ends are respectively a first connection portion 81 and a second connection portion 82. A fixing hole 83 is provided in the middle of the conversion seat 8 for connecting and installing on the front fork or the rear fork.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view. The scope of the present invention is defined by the appended claims, rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bicycle hydraulic disc brake device, comprising an oil supply mechanism and a brake mechanism, characterized in that: The brake mechanism is provided with a brake disc and two sets of calipers, and the calipers act on the brake disc simultaneously to achieve a braking effect; the brake mechanism also includes a conversion seat (8) installed on the front fork or the rear fork, and the two sets of calipers are installed on the conversion seat (8).

2. A bicycle hydraulic disc brake device according to claim 1, characterized in that: The conversion seat (8) is provided with a first connection part (81) and a second connection part (82), and the two connection parts are provided with caliper mounting holes (84), so that the caliper can be detachably mounted by bolt connection; the conversion seat (8) is provided with a fixing hole (83), and is connected and mounted on the front fork by bolts passing through the fixing hole (83).

3. A bicycle hydraulic disc brake device according to claim 2, characterized in that: The first connecting portion (81) and the second connecting portion (82) are located on the same straight line, and the fixing hole (83) is located between the two connecting portions.

4. The bicycle hydraulic disc brake device according to claim 2, characterized in that: An included angle is formed between the first connecting portion (81) and the second connecting portion (82), and the fixing hole (83) is located on any one of the connecting portions.

5. The bicycle hydraulic disc brake device according to claim 4, characterized in that: The space between the angles of the first connecting portion (81) and the second connecting portion (82) is not less than the installation space required for a single caliper.

6. The bicycle hydraulic disc brake device according to claim 4, characterized in that: The angle is 30 degrees to 180 degrees.

7. The bicycle hydraulic disc brake device according to claim 1, characterized in that: The oil supply mechanism comprises a brake handle (1), the brake handle (1) is connected to a handle oil pipe (2), an oil distributor (3) is arranged at the end of the handle oil pipe (2), the oil distributor (3) is connected to a first oil pipe (4) and a second oil pipe (5), the first oil pipe (4) and the second oil pipe (5) are respectively connected to a first caliper (6) and a second caliper (7), the first caliper (6) and the second caliper (7) are mounted on a first connecting portion (81) and a second connecting portion (82) on the conversion seat (8).

8. The bicycle hydraulic disc brake device according to claim 1, characterized in that: The oil supply mechanism is provided with two oil pipes for supplying oil to the two sets of calipers respectively.

9. The bicycle hydraulic disc brake device according to claim 2, characterized in that: The conversion seat (8) is arc-shaped, with two ends respectively being a first connecting portion (81) and a second connecting portion (82), and the fixing hole (83) is located between the two connecting portions.

Images