909results about "Cycle brakes" patented technology

The invention discloses an intelligent control method and system for motorcycle calipers. According to the method, multi-modal data such as vehicle speed, wheel speed, piston displacement, brake disc temperature, inclination angle and transverse acceleration are collected in real time through a multi-source sensor and are preprocessed; calculating a braking demand and an adhesion coefficient according to the data, and recognizing a straight line, a curve or an emergency braking scene in combination with the inclination angle and the transverse acceleration; inputting the data into a pre-trained brake control machine learning model to generate a target brake force change curve; controlling the driving motor and the calipers to brake based on the curve, and regularly optimizing the model according to brake feedback and historical data; predicting a braking efficiency attenuation trend by combining a part degradation model, and compensating the braking force to update the model; the motor current is adjusted in real time through closed-loop control so as to follow the target braking force; and continuously monitoring the temperature of the brake disc, and triggering thermal attenuation compensation when the temperature exceeds a threshold value. According to the invention, self-adaptive, accurate and reliable intelligent braking of the motorcycle is realized.

The invention discloses a linkage device, an integrated main control unit and an ABS brake system.The linkage device comprises a valve body, a piston assembly and a one-way sealing element, the valve body comprises a first cavity, a second cavity and a second oil way, and the first cavity is communicated with the second oil way and the second cavity; the piston assembly slides in the first cavity in a reciprocating mode along the axis, part of the piston assembly can enter the second oil way, a gap is formed between the piston assembly and the valve body, a plurality of small holes are evenly formed in the side wall of the piston assembly, the piston assembly is provided with an elastic element, and the one-way sealing piece is arranged in the annular groove of the valve body and located on the outer side wall of the piston assembly. The one-way sealing piece is in sliding connection with the piston assembly, and the one-way sealing piece and the small holes jointly serve as a structure for controlling opening and closing of the internal liquid channel. The linkage device solves the problems that in the prior art, a one-way oil seal of a linkage device is prone to failure, the pressure relief hole diameter is too small, and then the efficiency and safety of a braking system are affected.

The invention relates to a shared bicycle brake pad abrasion monitoring system and a monitoring method thereof, and aims to solve the problems that in the prior art, shared bicycle brake pad abrasion monitoring is high in cost and low in precision, and abnormal abrasion cannot be detected, and accurate monitoring is achieved through a multi-parameter correction model of brake frequency statistics and pressure distribution perception. A microswitch is arranged on a brake pedal, three film pressure sensors are arranged on a brake pad steel backing, a brake pressure value, an average effective pressure Pavg and a pressure distribution difference delta P are synchronously collected, a wear estimation model is built by combining working condition data such as temperature and vehicle speed, and a material coefficient k, a vehicle speed correction coefficient f (v) and a temperature correction coefficient g (T) are adopted for multi-dimensional correction, so that the wear estimation precision is improved. And calculating the accumulated abrasion loss and predicting the residual thickness. Accurate recognition of abnormal wear such as eccentric wear and block falling is achieved by analyzing a delta P threshold value and Pavg mutation characteristics, parameter customization of brake pads made of different materials is supported, and a graded early warning function is achieved.

The utility model relates to the technical field of electro-tricycle braking, in particular to a linkage braking assembly and an electro-tricycle. The linkage brake assembly comprises a linkage valve, the linkage valve comprises a valve body, a first elastic piece and a transmission structure, the valve body is provided with a first containing cavity used for containing hydraulic oil, and a plunger structure is connected into the first containing cavity in a sliding mode. According to the utility model, by treading the pedal plate, the pedal plate drives the plunger structure to move through the transmission structure, and hydraulic oil in the first chamber is extruded to finish pressure buildup from the first oil outlet pump to the oil path input port of the front disc brake; the hydraulic oil in the second cavity is extruded to complete pressure buildup from the second oil outlet pump to the oil way input port of the rear drum brake, due to the arrangement of the first sealing structure and the second sealing structure, the first cavity and the second cavity are not communicated with each other, even if pressure buildup of one oil way fails, operation of the other oil ways cannot be affected, and the service life of the rear drum brake is prolonged. And the safety is higher.

A pressure control device has a device body partially delimiting a first circuit side opening, a second circuit side opening, and a conduit having a first conduit portion connectable to a first circuit to receive a first circuit fluid at a first circuit pressure and a second conduit portion connectable to a second circuit to receive a second circuit fluid at a second circuit pressure. A pressure adjusting mechanism controls the first and / or second circuit pressure to reach an actuating pressure. When at least one of the first and second circuit pressures is lower than a threshold pressure, the pressure adjusting mechanism prevents fluid passages between the first and second conduit portions to actuate either a first or a second braking device. When the first and second circuit pressures are both higher than the threshold pressure, the pressure control connects the first and second conduit portions to actuate the first and second braking devices.

A system for a bicycle includes a plurality of controller devices. A type of controller device is the same for two or more controller devices of the plurality of controller devices. The system includes a pairing coordinator device configured to receive a respective device type identification from each controller device, and identify the type of controller device for the two or more controller devices based on the received device type identifications for the two or more controller devices. Based on the identification of the type of controller device, the pairing coordinator device is configured to update the device type identifications for the two or more controller devices, respectively, such that the updated device type identifications are different than each other. The pairing coordinator device is configured to pair only controller devices of the plurality of controller devices having different respective device type identifications with the pairing coordinator device.

A control device includes a housing having a base portion and an extension portion. The base portion of the housing has an inward facing side and an outward facing side. The control device includes a lever coupled to and pivotable relative to the housing, and a master cylinder portion supported by the housing. The master cylinder portion has a hollow fluid cylinder. The control device also includes a piston assembly supported by the housing. The piston assembly is movable relative to the master cylinder portion. At least part of the piston assembly is disposed within the master cylinder portion. The master cylinder portion is angled relative to the outward facing side of the base portion of the housing, such that the first end of the fluid cylinder is closer to the outward facing side than the second end of the fluid cylinder is relative to the outward facing side.

The utility model provides an anti-lock brake upper pump assembly. The anti-lock brake upper pump assembly comprises a pump support, an oil cup, a lining, a push rod, a pressure relief hole and the like. When the push rod moves, the auxiliary oil supply hole and the pressure relief hole are communicated or blocked, the multi-time snub effect is achieved, and wheel locking is avoided. By arranging the communicating oil supply hole, the circulating communicating hole, the pressure retaining valve rod and other structures, the oil flowing path is optimized, the braking response speed is increased, and the oil utilization rate is increased. Meanwhile, the design of a first limiting gasket, a reset spring, teeth and the like is adopted, and the stability and reliability of the braking system are enhanced. The assembly is compact in structure, good in braking effect and suitable for various vehicle braking systems.

A brake upper pump with double oil seals and lateral pressure relief comprises a brake pump body which is provided with a piston cavity and an oil storage cavity which are communicated with each other. The brake handle is in running fit with the brake pump body, and the brake handle is in transmission fit with the piston mechanism; the oil pipe assembly is communicated with the piston cavity; the piston mechanism comprises a piston body, a first oil seal and a second oil seal, the second oil seal is located on the front side of the first oil seal, and the effective oil pushing area S1 of the second oil seal is smaller than that of the first oil seal; the reset spring acts on the piston body; the pressure relief valve mechanism is mounted in the pressure relief cavity of the brake pump body; the piston cavity is at least provided with a large-diameter cavity section, a small-diameter cavity section and a variable-diameter cavity section, and the pressure relief cavity is communicated with the variable-diameter cavity section through a pressure relief channel. A large-small-diameter double-piston oil seal structure is adopted, the effect that the front section has a relatively large oil seal area and the rear section has a relatively small oil seal area is achieved, and the overall brake performance can be more linear.

Disclosed are a hydraulic brake device, a hydraulic brake actuation device, and a two-wheeled vehicle. The hydraulic brake device comprises a cylinder body, a pushrod piston, and a return spring. One end of the pushrod piston moves back and forth within the cylinder body, overcoming the elastic force of the return spring. A pushrod head is provided at the other end of the pushrod piston.The hydraulic brake actuation device comprises a carrier, an actuating lever and the hydraulic brake device, wherein the actuating lever is rotatably connected to the carrier; the hydraulic brake device is symmetrically constructed and provided within the carrier; a drive rod is arranged on the carrier, wherein the head end of the drive rod is in contact with the actuating lever and the rear end of the drive rod is in contact with the hydraulic brake device; the drive rod serves to receive a drive force from the actuating lever.

Disclosed are a bicycle hydraulic brake control device and a bicycle. The bicycle hydraulic brake control device includes: a control main body connected to a handlebar of a bicycle; a brake lever pivotally connected to an end of the control main body; a hydraulic cylinder connected to the control main body; a piston rod connected to the hydraulic cylinder; and a trigger member hinged to the control main body, wherein the trigger member includes a pressing portion and a pushing portion. In the brake control device, the piston rod is pushed by means of the rolling member to do a piston motion, so that hard friction between the trigger member and the piston rod is prevented to reduce the friction force between the trigger member and the piston rod and achieve a smooth hand feeling of braking, the braking effect is improved, and a rider's braking experience is also improved.

In the conventional tricycle, generally the front frame, the rear frame and the seat tube are attached to the bottom bracket that carries pedal assembly. Between the bottom bracket and the rear frame, a joint is installed such that the seat tube and the handlebar may tilt to the left or right. Thereby the rider can cancel out the unwanted centrifugal force that occurs during high speed turning and pushes him to the opposite direction of the handlebar causing a fall down accident. Between the seat tube and the rear frame is installed a tiltable angle variable mechanism. By operating a hand lever on the handlebar the rider can vary the tiltable angle of the handlebar as needed, for high speed turning or for maintaining balance at low speeds.

A human-powered vehicle component comprises wireless communicator circuitry. The wireless communicator circuitry is configured to transmit a first wireless signal to a first additional human-powered vehicle component using a first communication protocol in response to a first user input. The wireless communicator circuitry is configured to transmit a second wireless signal to a second additional human-powered vehicle component using a second communication protocol different from the first communication protocol in response to a second user input different from the first user input.

A controller device for a bicycle includes a communication interface configured to receive a signal from another controller device. The controller device also includes a sensor including an ultra-wideband radio. In response to the received signal, the sensor is configured to determine a distance between the controller device and the other controller device using the ultra-wideband radio. The controller device also includes a processor in communication with the sensor. The processor is configured to initiate an action of the controller device or an electronic device in communication with the controller device based on the determined distance.

The invention relates to a bicycle (100) with an assistance system and a method for controlling the bicycle (100) comprising the following method steps: • Acquisition of signal data on the environment and operation of the bicycle (100), • Determining a current driving situation, at least from these signal data, and making a prediction about an upcoming driving situation, • Activating at least one device to assist a user in coping with the upcoming driving situation when the upcoming driving situation is classified as a critical driving situation. For example, a drive power of a drive motor 105, a braking power of a braking device 3 and / or a display of a display device 4 is adapted by a data processing unit 1 to the upcoming critical driving situation.

The integrated control comprises a control body, a rear abutment zone of the control body, intended to be in contact with a handlebar of the bicycle when the control is mounted on the handlebar, a brake lever pivoted to the control body according to a pivot axis transverse to the control body, spaced from the rear abutment zone, an actuator for driving the gearshift, a cavity formed inside the control body, a gearshift drive electronic board, housed inside the cavity in a first seat, a battery for powering the electronic board, housed inside the cavity, a first opening of the cavity, through which access to the electronic board is possible, a second opening of the cavity, distinct and separate from the first opening, through which access to the battery is possible.

A saddle-type vehicle includes: a hydraulic unit configured to receive an operating force and adjust a brake fluid pressure; a heat exchanger configured to dissipate heat of cooling water or engine oil to the outside; and a vehicle body frame configured to support the hydraulic unit and the heat exchanger. The hydraulic unit is located above the heat exchanger, and at least a part of the hydraulic unit overlaps with the heat exchanger in a top view.

To obtain a hydraulic pressure control unit that can respond to a request of downsizing, and a manufacturing method of such a hydraulic pressure control unit. A hydraulic pressure control unit of a braking system to be mounted to a straddle riding-type vehicle is provided with a base in which a flow path of a brake fluid is formed, a circuit substrate that controls driving of a hydraulic pressure adjusting valve to open and close the flow path, a housing in which the circuit substrate is housed, and a connection portion that connects the base to the housing, in which the connection portion is provided with a recessed portion that is formed in the base, and a pin that is held by the housing and includes an end portion that is press-fitted into the recessed portion, a through-hole is formed in the end portion that is press-fitted into the recessed portion, an outer periphery of the through-hole is defined by a first branch portion and a second branch portion, both ends thereof being connected to each other, of the end portion that is press-fitted into the recessed portion, and a reinforcing member independent of the base and the pin is brought into contact with and presses against at least either one of the first branch portion and the second branch portion.

The present application relates to a kind of split oil brake upper pump and oil pressure disc brake brake.Wherein, split oil brake upper pump includes detachable fixed handle seat on handlebar tube, the handle seat is equipped with: oil cylinder piece, with the oil cavity of oil liquid, one end of the oil cylinder piece is fixed on the handle seat;Brake handle, movably mounted on the handle seat, the brake handle drives the oil liquid built-in oil cavity activity when activity;Wherein, the outside of the oil cylinder piece is fixed with by two half pieces combined to form the outer attached oil pool piece, and the outer attached oil pool piece has an oil pool cavity, the oil pool cavity is connected with the oil cavity to adjust oil pressure.The split oil brake upper pump of the present application is separately processed, the forming difficulty is reduced, the process is simplified, and the yield is high, and it is convenient to assemble, reduces the production cost of manufacturer, and it is also convenient to replace the site of wear or damage, saves user use and maintenance cost.

The utility model relates to the technical field of child electric vehicles, in particular to a brake structure of a child electric vehicle, which comprises a fixing block, one side of the fixing block is fixedly connected with a fixing shaft, the outer surface of the fixing shaft is rotatably connected with a rotating plate, one side of the rotating plate is fixedly connected with an inserting plate, a threaded hole is formed in the inserting plate, and the rotating plate is fixedly connected with the threaded hole. The outer surface of the inserting plate is sleeved with a pressing rod, an inserting groove is formed in one end of the pressing rod, and the bottom, close to the inserting groove, of the pressing rod is in threaded connection with a connecting screw. The pressing rod has the advantages that when the pressing rod is damaged, the connecting screw is rotated to be taken down, the broken pressing rod is pulled out of the inserting plate, a new pressing rod is in butt joint with the inserting plate, the pressing rod and the rotating plate can be fixedly connected through the connecting screw, the split pressing rod can be replaced without disassembling the rotating plate, the replacement cost of the pressing rod is greatly reduced, and the replacement efficiency is improved. The replacement speed of the pressing rod is increased; the fixing screw is located at the bottom of one end of the movable ring and is perfectly hidden, and the attractiveness of the device is improved.

To provide a hydraulic control unit for a saddle-riding type vehicle, which includes a pump for moving a brake fluid and a holder for holding a filter through which the brake fluid passes in the pump, can be miniaturized, and can prevent the holder from not being provided in a prescribed posture.SOLUTION: The hydraulic pressure control unit includes a base body in which an internal flow path that allows a wheel cylinder and a master cylinder to communicate with each other is formed, and a pump that moves a brake fluid in the internal flow path, wherein the base body includes a recessed portion in which the pump is provided, the pump includes a cylinder in which a compression chamber that compresses the brake fluid is formed, a piston portion whose input-side end portion is pressed by a motor and whose partition-side end portion is inserted into the compression chamber to partition the compression chamber, and a holder that holds a filter through which the brake fluid flowing into the inflow flow path passes, and the holder includes an abutting portion whose base end portion is connected to the cylinder and that abuts on a wall surface of the recessed portion.SELECTED DRAWING: Figure 3

The drum brake comprises a brake drum, a shoe block assembly and a one-way ratchet wheel assembly, the shoe block assembly comprises a transmission shaft, a shoe block and a first elastic piece, the transmission shaft is connected with the brake drum in a pivoted mode around the axis of the transmission shaft, and the transmission shaft is connected with the shoe block. The transmission shaft rotates around the axis of the transmission shaft in the first direction so as to drive the shoe block to move from the initial position to the brake position abutting against the brake drum, the first elastic piece presses the shoe block towards the initial position, the one-way ratchet wheel assembly comprises a crank, a ratchet wheel and a pawl, the ratchet wheel is coaxially connected with the transmission shaft, and the crank is pivotally connected with the ratchet wheel around the axis of the ratchet wheel. The crank is suitable for driving the ratchet wheel to synchronously rotate in the first direction through the pawl. The drum brake provided by the utility model has the advantages of high convenience in extension compensation of the brake cable, long service life of the shoe block and low use cost.

A spokeless hollow hub wheel, characterized in that it comprises a front wheelset assembly and a rear wheelset assembly, wherein the front wheelset assembly and the rear wheelset assembly both comprise a tire, a rim assembly and a hub assembly; wherein the rim assembly comprises a rim, with the tire mounted on an outer edge of the rim; wherein the hub assembly comprises a left hub assembly and a right hub assembly, the left hub assembly comprising a left hub and a left bearing that are mated with each other, while the right hub assembly comprises a right hub and a right bearing that are mated with each other, the left hub and the right hub having a spokeless, hollow, annular structure, the left hub and the right hub being cooperatively connected to each other and cooperatively secured to an inner edge of the rim by the left bearing and the right bearing, respectively; where, assuming the left bearing and the right bearing, the left hub and the right hub serve as a fastening part of the wheel, and the tire and the rim assembly serve as a rotating part of the wheel.

The utility model relates to a brake handle structure and an electric two-wheeled vehicle. The brake handle structure comprises a brake handle mounting seat and a brake handle, the brake handle mounting base comprises a mounting base body, a first mounting part and a second mounting part, the first mounting part and the second mounting part are arranged on the two sides of the mounting base body, and the first mounting part is used for being mounted on a handlebar of the electric two-wheeled vehicle; the brake handle is hinged to the second mounting part; a permanent magnet is arranged on the brake handle; a linear Hall detection circuit correspondingly matched with the permanent magnet is arranged on the mounting seat main body or / and the second mounting part; when the brake handle is pressed or rotated, the position of the permanent magnet changes along with the movement of the brake handle, and the linear Hall detection circuit is used for generating a linear voltage signal according to the position change of the permanent magnet and transmitting the linear voltage signal to the control circuit. The electric two-wheeled vehicle control system can solve the problems that when an electric two-wheeled vehicle is decelerated or braked, the vehicle cannot be accurately controlled according to the change of the opening degree of a brake handle, the energy recovery efficiency is low, and the riding feeling of a rider is affected.

A cable assembly for a motor vehicle. The invention relates to a cable assembly (300) for a motor vehicle. Accordingly, the invention discloses comprising a coaxial cable (310) having an inner cable (314) and an outer cable sleeve (312), the inner cable (314) being axially movable within the outer cable sleeve (312). The cable assembly (300) further has a rod (320) resting against one end of the outer cable sleeve (312) such that at least a portion (320b) of the rod (320) having a conical outer surface extends with a reduced diameter towards a second end (320b') of the rod (320). The cable assembly further has a tube (330) having an inlet end (330a) and an outlet end (330b) such that the tube (330) has a conical bore extending with a reduced diameter from the inlet end (330a) to the outlet end (330b).

This utility model discloses a heat-dissipating electric tricycle brake disc, including a brake drum and a circular brake disc disposed on the circular outer wall of the left end of the brake drum. The circular brake disc and the brake drum are fixedly connected by welding. The brake drum is circular in shape and has an opening at the left end. The circular brake disc is flush with the outer wall of the left end of the brake drum. Multiple heat dissipation holes are equidistantly arranged inside the circular brake disc near the edge. By adding multiple airflow-type heat dissipation devices equidistantly on the outer wall of the right end of the brake drum, when the brake drum rotates clockwise, the air intake horn collects air and sends it into the airflow compression hood. The airflow is blown onto the outer wall of the brake drum and the circular brake disc through the exhaust hole of the compression hood or the flat exhaust hood and the exhaust port of the exhaust hood, which quickly dissipates heat and avoids high temperature affecting braking performance. The airflow compression hood has an adaptable structure and does not take up too much space. The flat exhaust hood, together with the exhaust port, increases the heat dissipation coverage area and makes the heat dissipation more even and sufficient.

The utility model belongs to the field of parking, and provides a convenient quick locking structure, which is used for realizing synchronous unlocking or braking of wheels at two ends of a connecting frame and comprises a first brake part, a second brake part and an unlocking part, and the first brake part and the second brake part are movably connected to two sides of the unlocking part respectively; the unlocking piece is installed on the connecting frame and can be freely switched between the unlocking position and the locking position of the connecting frame. Compared with the prior art, the utility model has the advantages that: through the position switching action of the unlocking piece, the synchronous braking or synchronous brake release operation of the two wheels can be quickly realized under the condition that the first braking piece and the second braking piece synchronously move, the overall structural design is compact, the operation process is simplified, the manufacturing and maintenance cost is reduced, and the working efficiency is improved. And the overall stability and the response efficiency of the structure can be improved.

This invention discloses a foot-operated front and rear segmented linkage braking system, including a front hydraulic brake, a rear brake, and a foot pedal body. The foot pedal body is rotatably connected to the frame, and a staged resistance component is installed between the foot pedal body and the frame. The staged resistance component is used to distinguish the triggering timing of the front hydraulic brake and the rear brake. Under normal circumstances, the braking method can achieve the effect of slowing down the driving speed without producing a large impact, making the braking smoother and more comfortable. In addition, the larger resistance indicates the position of the foot pedal body to the driver. In an emergency, force is applied to the foot pedal body to move it into the rear segment range for combined braking of the rear and front wheels, realizing emergency braking and meeting the safety requirements of sudden situations.

The utility model discloses an electronic control disc brake driving device which comprises a communication connector communicated with a vehicle brake oil pipe, the communication connector is communicated with a piston cavity, a movable piston is arranged in the piston cavity, and the movable piston is used for compressing or releasing hydraulic oil in the brake oil pipe. The movable piston is connected with a driving assembly for driving the movable piston to do reciprocating motion in the piston cavity; by means of the mode, the vehicle can be automatically controlled to be locked.