JP6279312B2 - Bar handle vehicle brake system - Google Patents

Description

  The present invention relates to a brake device for a bar handle vehicle, and more specifically, a hydraulic brake is independently operated via a master cylinder unit by operating a first brake operator, and mechanically operated by operating a second brake operator. The present invention relates to a bar handle vehicle brake device that operates a brake and operates a hydraulic brake in conjunction with each other via a master cylinder unit.

  Conventionally, the front wheel brake is independently operated via the master cylinder unit by operating the first brake operator, and the front wheel brake and the rear wheel brake are interlocked via the master cylinder unit by operating the second brake operator. In some cases, the second brake operator is formed by a brake pedal that rotates about a fixed shaft, and the master cylinder unit is attached to the brake pedal (see, for example, Patent Document 1).

JP 2010-235033 A

  However, in the above-mentioned Patent Document 1, the master cylinder unit is provided in the brake pedal. However, the brake pedal is usually rotatably attached to the frame of the vehicle body, and the brake pedal is disposed around the brake pedal. Since a transmission and a transmission are arranged, it is difficult to secure a space for arranging the master cylinder unit.

  Accordingly, an object of the present invention is to provide a bar handle vehicle brake device that can secure a space for disposing a master cylinder unit.

In order to achieve the above object, a brake apparatus for a bar handle vehicle according to the present invention has a hydraulic brake as one of a front wheel brake and a rear wheel brake, and a mechanical brake as the other, and is operated by operating a first brake operator. The hydraulic brake is operated independently through a master cylinder unit formed by combining a pressure master cylinder and a lever mechanism, and the hydraulic type is operated through the master cylinder unit by operating a second brake operator. In the bar handle vehicle brake device that operates the brake and the mechanical brake in conjunction with each other, the master cylinder unit includes means for connecting the first brake operator, the second brake operator, and the mechanical brake. Respectively, and connected to the hydraulic brake via a hydraulic pipe, Serial is characterized by being located in the lower part of the space of the fuel tank of a bar handle vehicle.

Furthermore, either one of the front wheel brake and the rear wheel brake is a hydraulic brake, the other is a mechanical brake, and a master cylinder unit formed by combining a hydraulic master cylinder and a lever mechanism by operating the first brake operator. A bar handle vehicle in which the hydraulic brake is operated independently via the hydraulic brake, and the hydraulic brake and the mechanical brake are operated in conjunction with each other via the master cylinder unit by operating a second brake operator. In the brake device for a vehicle, the master cylinder unit is connected to the first brake operator, the second brake operator, and the mechanical brake through a connecting means, and is connected to the hydraulic brake with a hydraulic pipe. linked via, it is arranged in the space at the bottom of the air cleaner of the bar handle vehicle It is characterized in Rukoto.

Also, a master cylinder unit formed by combining one of the front wheel brake and the rear wheel brake with a hydraulic brake and the other with a mechanical brake and combining the hydraulic master cylinder and the lever mechanism by operating the first brake operator. A bar handle vehicle in which the hydraulic brake is operated independently via the hydraulic brake, and the hydraulic brake and the mechanical brake are operated in conjunction with each other via the master cylinder unit by operating a second brake operator. In the brake device for a vehicle, the master cylinder unit is connected to the first brake operator, the second brake operator, and the mechanical brake through a connecting means, and is connected to the hydraulic brake with a hydraulic pipe. linked via, it is arranged in the space at the bottom of the seat of the bar handle vehicle It is characterized.

  Furthermore, it is preferable that the second brake operator is formed by a brake pedal that rotates about a fixed shaft.

  According to the brake device for a bar handle vehicle of the present invention, a space for installing the master cylinder unit by disposing the master cylinder unit at a lower portion of the fuel tank of the bar handle vehicle, a lower portion of the air cleaner, or a lower portion of the seat. The master cylinder unit can be arranged without impairing the design of the vehicle body, and there is no risk of being tampered with from the outside. Further, even if the second brake operator is formed of a brake pedal that rotates about a fixed shaft, the wiring is facilitated.

It is explanatory drawing of the brake device for bar handle vehicles which shows the 1st form example of this invention. It is explanatory drawing of the state which has similarly arrange | positioned the master cylinder unit to the vehicle body. It is explanatory drawing of the brake device for bar handle vehicles which shows the 2nd form example of this invention.

  FIG. 1 and FIG. 2 are views showing a first embodiment of the bar handle vehicle brake device of the present invention. As shown in FIG. 1, the bar handle vehicle brake device 1 of the present embodiment includes a front wheel brake 2 and a rear brake. A wheel brake 3, a front wheel brake operation element 4 (first brake operation element of the present invention), and a rear wheel brake operation element 5 (second brake operation element of the present invention) are provided. A master cylinder unit 6 is interposed between the operating operator 4, the rear wheel brake 3, and the rear wheel brake operating element 5.

  As the front wheel brake 2, a hydraulic disk brake is used in which a disk rotor 2a that rotates integrally with the front wheel is combined with a caliper body 2b having a piston. The rear wheel brake 3 is a mechanical drum brake in which a pair of brake shoes 3b, 3b are disposed opposite to a back plate 3a so as to be able to expand, and both brake shoes 3b, 3b are expanded using anchor pins 3c as fulcrums. ing.

  The front wheel brake operation element 4 is formed by an operation lever 4a attached to the handle bar 7, and by operating the operation lever 4a, the first brake wire 8 (the connecting means of the present invention) is pulled, and the master cylinder The hydraulic master cylinder 6a of the unit 6 is operated to supply hydraulic pressure to the front wheel brake 2 via the hydraulic pipe 9, and the front wheel brake 2 is operated independently. The rear wheel brake operator 5 is formed of a brake pedal 5b that is rotatably provided on the vehicle body via a fixed shaft 5a. By operating the brake pedal 5b, the second brake wire 10 (of the present invention) is formed. The connecting means) is pulled, the rear wheel brake wire 11 is pulled through the master cylinder unit 6 to operate the rear wheel brake 3, and the hydraulic master cylinder 6a of the master cylinder unit 6 is operated to The hydraulic pressure is supplied to the front wheel brake 2 through the pipe 9, and the front wheel brake 2 is operated in conjunction.

  The master cylinder unit 6 is a combination of the hydraulic master cylinder 6a for supplying hydraulic pressure to the front wheel brake 2 and a lever mechanism 6b. The lever mechanism 6b includes a first rotating lever 6c and a second rotating lever. A lever 6d, a knocker 6e, and an equalizer lever 6f are provided. The first brake wire 8 is connected to the first rotation lever 6c. By operating the operation lever 4a of the front wheel brake operation element 4 and pulling the first brake wire 8, the first rotation lever 6c is rotated. When the knocker 6e is moved to push the piston of the hydraulic master cylinder 6a, the pressurized hydraulic fluid is supplied to the front wheel brake 2 via the hydraulic pipe 9. The front wheel brake 2 is operated alone.

  The equalizer lever 6f is connected to the second brake wire 10, the rear wheel brake wire 11, and the second rotation lever 6d. When the brake pedal 5b of the rear wheel brake operation element 5 is operated, First, the second brake wire 10 is pulled, and the rear wheel brake wire 11 is pulled through the equalizer lever 6f, whereby the rear wheel brake 3 is operated. When the rear wheel brake 3 is activated and a reaction force is generated from the rear wheel brake 3, the equalizer lever 6f is tilted to pull the second rotating lever 6d, and the second rotating lever 6d rotates. Then, the second rotating lever 6d pushes the knocker 6e, and the knocker 6e pushes the piston of the hydraulic master cylinder 6a, so that the pressurized hydraulic fluid is applied to the front wheel brake 2 via the hydraulic pipe 9. The hydraulic pressure is supplied, and the front wheel brake 2 operates in conjunction. A delay spring 6g is arranged between the second rotating lever 6d and the cylinder body of the hydraulic master cylinder 6a, and the timing when the front wheel brake 2 is operated in conjunction with it is adjusted.

  Further, as shown in FIG. 2, such a master cylinder unit 6 is arranged at the lower part B1 of the fuel tank of the bar handle vehicle 12, the lower part B2 of the air cleaner, or the lower part B3 of the seat, thereby It is easy to secure a space for installing 6, the master cylinder unit can be arranged without impairing the design of the vehicle body, and there is no risk of being tampered with from the outside.

  FIG. 3 shows a second embodiment of the present invention. Components that are the same as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the bar handle vehicle brake device 21 of the present embodiment, the rear wheel brake operator 22 operates the brake pedal 22b rotatably provided on the vehicle body via the fixed shaft 22a, whereby the rear wheel brake 3 The rear wheel brake rod 23 that is connected to the rear wheel is pulled to operate the rear wheel brake 3, and the second brake wire 10 is pulled to operate the hydraulic master cylinder 24a of the master cylinder unit 24, so The hydraulic pressure is supplied to the front wheel brake 2 via 9, and the front wheel brake 2 is operated in conjunction.

  The brake pedal 22b is pivotally supported on the vehicle body by a fixed shaft 22a, a stepped portion 22c is formed at the front end, and the rear wheel brake rod 23 and the second brake wire 10 are connected to the rear end. ing.

  The master cylinder unit 24 is a combination of the hydraulic master cylinder 24a for supplying hydraulic pressure to the front wheel brake 2 and a lever mechanism 24b. The lever mechanism 24b includes a first rotating lever 24c and a second rotating lever. A lever 24d and a knocker 24e are provided. The first brake wire 8 is connected to the first rotation lever 24c, and when the operation lever 4a is operated to pull the first brake wire 8, the first rotation lever 24c rotates to push the knocker 24e. When the knocker 24e pushes the piston (not shown) of the hydraulic master cylinder 24a, the hydraulic fluid is supplied to the front wheel brake 2 via the hydraulic pipe 9 and the front wheel brake is driven. 2 is activated alone. When the brake pedal 22b is operated, the rear wheel brake rod 23 is pulled to operate the rear wheel brake 3, and the second brake wire 10 is pulled, so that the second rotation lever 24d is rotated. When the knocker 24e is pushed and the knocker 24e pushes the piston of the hydraulic master cylinder 24a, the pressurized hydraulic fluid is supplied to the front wheel brake 2 via the hydraulic pipe 9, and the front wheel is driven. Operate brake 2 in conjunction. A return spring 24f is provided between the second rotation lever 24d and the cylinder body of the hydraulic master cylinder 24a.

  In addition, this invention is not restricted to each above-mentioned form example, The structure of the 1st rotation lever of a master cylinder unit, a 2nd rotation lever, a knocker, and an equalizer lever is arbitrary.

DESCRIPTION OF SYMBOLS 1 ... Bar handle vehicle brake device, 2 ... Front wheel brake, 2a ... Disc rotor, 2b ... Caliper body, 3 ... Rear wheel brake, 3a ... Back plate, 3b ... Brake shoe, 3c ... Anchor pin, 4 ... For front wheel brake Operator, 4a ... operating lever, 5 ... rear wheel brake operator, 5a ... fixed shaft, 5b ... brake pedal, 6 ... master cylinder unit, 6a ... hydraulic master cylinder, 6b ... lever mechanism, 6c ... first time A moving lever, 6d ... a second rotating lever, 6e ... a knocker, 6f ... an equalizer lever, 6g ... a delay spring, 7 ... a handlebar, 8 ... a first brake wire, 9 ... a hydraulic pipe, 10 ... a second brake wire, DESCRIPTION OF SYMBOLS 11 ... Rear-wheel brake wire, 12 ... Bar-handle vehicle, 21 ... Bar-handle vehicle brake device, 22 ... Rear-wheel brake operator 22a ... fixed shaft, 22b ... brake pedal, 22c ... foot pedal, 23 ... rear wheel brake rod, 24 ... master cylinder unit, 24a ... hydraulic master cylinder, 24b ... lever mechanism, 24c ... first rotating lever, 24d: second rotating lever, 24e: knocker, 24f: return spring

Claims (4)

One of the front wheel brake and the rear wheel brake is a hydraulic brake, the other is a mechanical brake, and a master cylinder unit formed by combining a hydraulic master cylinder and a lever mechanism by operating the first brake operator. The hydraulic brake is operated independently, and the hydraulic brake and the mechanical brake are operated in conjunction with each other via the master cylinder unit by operating the second brake operator. In the apparatus, the master cylinder unit is connected to the first brake operator, the second brake operator, and the mechanical brake via a connecting means, and is connected to the hydraulic brake via a hydraulic pipe. coupled Te, JP that has been placed in the space at the bottom of the fuel tank of the bar handle vehicle Bar-handle vehicle brake system according to. One of the front wheel brake and the rear wheel brake is a hydraulic brake, the other is a mechanical brake, and a master cylinder unit formed by combining a hydraulic master cylinder and a lever mechanism by operating the first brake operator. The hydraulic brake is operated independently, and the hydraulic brake and the mechanical brake are operated in conjunction with each other via the master cylinder unit by operating the second brake operator. In the apparatus, the master cylinder unit is connected to the first brake operator, the second brake operator, and the mechanical brake via a connecting means, and is connected to the hydraulic brake via a hydraulic pipe. coupled Te, that is arranged in the space below the air cleaner of the bar handle vehicle Brake device for a bar handle vehicle according to symptoms. One of the front wheel brake and the rear wheel brake is a hydraulic brake, the other is a mechanical brake, and a master cylinder unit formed by combining a hydraulic master cylinder and a lever mechanism by operating the first brake operator. The hydraulic brake is operated independently, and the hydraulic brake and the mechanical brake are operated in conjunction with each other via the master cylinder unit by operating the second brake operator. In the apparatus, the master cylinder unit is connected to the first brake operator, the second brake operator, and the mechanical brake via a connecting means, and is connected to the hydraulic brake via a hydraulic pipe. coupled Te, and characterized in that arranged in the space at the bottom of the seat of the bar handle vehicle That bar handle vehicle brake system.   4. The bar handle vehicle brake device according to claim 1, wherein the second brake operator is formed by a brake pedal that rotates about a fixed shaft. 5.

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