Bicycle control device

Bicycle control device

  • CN 103,895,801 B
  • Filed: 12/25/2013
  • Issued: 09/15/2020
  • Est. Priority Date: 12/26/2012
  • Status: Active Grant
First Claim
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1. A bicycle control device that can be attached to a handlebar of a bicycle and that can control a brake device and a transmission device, the bicycle control device comprising:

  • a housing member having a grip portion extending in a length direction between a first end and a second end and a mounting portion provided on a first end side of the grip portion and mountable on the handlebar;

    a lever member that is swingable about a first axis with respect to the housing member and that has a cam member that is swingable about the first axis;

    a shift operating mechanism provided on the housing member to control a control cable connectable to the transmission; and

    a hydraulic pressure generating portion having a cylinder provided on the housing member and disposed closer to a second end side of the grip portion than the shift operating mechanism, a piston that is movable in the cylinder and operated by the lever member, a rod portion coupled to the piston, a reservoir coupled to the cylinder and capable of storing oil that generates the hydraulic pressure, an output port that transmits the hydraulic pressure generated by the cylinder to the outside, an oil passage coupled to the output port, and a connecting portion provided on the housing member and communicating with the output port through the oil passage and capable of connecting to an external hydraulic hose that is capable of being coupled to the brake device, the hydraulic pressure generating portion being configured to control the brake device,the connecting portion is disposed on the first end side of the housing member;

    the outlet port is disposed at the second end side of the housing member;

    one end of the oil way is directly connected with the output port, and the other end of the oil way is directly connected with the connecting part;

    wherein the oil path is provided along any one of the cylinder and the accumulator;

    the first shaft is disposed between the cylinder block and the shift operating mechanism in the longitudinal direction;

    the housing member has a guide groove provided in the grip portion, the guide groove having a first portion arranged along the cylinder axis and a second portion bent upward from the first portion,when the lever member is operated, one end of the rod portion can gradually approach the cylinder shaft along the guide groove by the cam member.

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