CN114537347A - Combined hydraulic block for vehicle brake system - Google Patents
Combined hydraulic block for vehicle brake system Download PDFInfo
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- CN114537347A CN114537347A CN202210289686.5A CN202210289686A CN114537347A CN 114537347 A CN114537347 A CN 114537347A CN 202210289686 A CN202210289686 A CN 202210289686A CN 114537347 A CN114537347 A CN 114537347A
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- cylinder
- brake
- hydraulic
- port
- brake cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/148—Arrangements for pressure supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
Abstract
The invention discloses a combined hydraulic block for a vehicle braking system, comprising: a pedal lever for operating a braking action; a brake fluid reservoir tank for storing a pressurized medium; and a piston of the mechanical brake cylinder is fixedly connected with the pedal rod operating handle and used for providing initial brake pressure, and a left cavity connecting port and a right cavity connecting port of the mechanical brake cylinder are communicated with a connecting port of a brake fluid storage container through pipelines. According to the hydraulic block compensation sleeve, the oil way connection between the electric brake cylinder and the hydraulic block is simply arranged through the pore channel arranged in the hydraulic cylinder compensation sleeve, the axial length of the hydraulic equipment is shortened on the arrangement of the hydraulic equipment integrally used for a vehicle hydraulic brake system, the size of the hydraulic equipment is further reduced, the hydraulic block can be produced in large batch, the design and production of the hydraulic cylinder compensation sleeve are adjusted according to requirements, the integral design and production difficulty is reduced, and the design and production cost of the hydraulic block is reduced.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a combined hydraulic block for a vehicle braking system.
Background
The brake system is one of the indispensable parts of the vehicle. In recent years, with the development of automobile technology, intelligent automobiles come out, and various braking systems are proposed to obtain stronger and more stable braking capability. The hydraulic brake-by-wire system drives the motor to operate by sensing a pedal pressure of a driver through a sensor, and adjusts a brake pressure to each wheel through a hydraulic pressure of a motor master cylinder to obtain a braking force desired by the driver.
However, in the prior art, in actual use, a common method of integrating the check valve on the valve block is to punch a mounting hole on the hydraulic block, mount the check valve on the hydraulic block, and plug the mounting hole, and the method has a complicated process and increases the difficulty of the production process.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a combined hydraulic block for a vehicle brake system.
In order to achieve the purpose, the invention provides the following technical scheme: the method comprises the following steps:
a pedal lever for operating a braking action;
a brake fluid reservoir for storing a pressurizing medium;
the piston of the mechanical brake cylinder is fixedly connected with the pedal rod operating handle and used for providing initial brake pressure, and a left cavity connecting port and a right cavity connecting port of the mechanical brake cylinder are communicated with a connecting port of a brake fluid storage container through pipelines;
the brake system comprises an electric main brake cylinder, a brake pedal stroke simulator and a brake fluid reservoir, wherein a motor is arranged in the electric main brake cylinder and is used for providing pressure for a pressurized medium through the motor to operate wheels to brake;
a pedal stroke simulator connected to the mechanical brake cylinder and adapted to provide a reaction force in response to an operation of the pedal lever to generate a pedal feel of braking, a connection port of the pedal stroke simulator communicating with a connection port of a brake fluid reservoir through a pipe;
the wheel cylinder group comprises four automobile wheel cylinders, and the four automobile wheel cylinders are divided into two groups;
the hydraulic pressure piece, its inside is equipped with a plurality of pipelines and provides the connecting tube for being linked together between brake fluid reservoir, mechanical brake cylinder, footboard stroke simulator, electric master cylinder and the wheel cylinder group, bolt fixedly connected with pneumatic cylinder compensating sleeve is passed through at the top of hydraulic pressure piece, pneumatic cylinder compensating sleeve is cylindrical sleeve structure, and the lateral wall of second seal groove is hollow structure, hydraulic cylinder compensating sleeve's surface difference fixedly connected with first eccentric groove connecting port, second eccentric groove connecting port, third eccentric groove connecting port, fourth eccentric groove connecting port, first seal groove, second seal groove, third seal groove, first eccentric block, second eccentric block and third eccentric block.
Preferably, a diagnosis solenoid valve with a loop diagnosis function is arranged in the middle of a pipeline between the right cavity connecting port of the mechanical brake cylinder and the brake fluid storage container connecting port, a displacement sensor for detecting the displacement of the pedal rod operating handle is arranged on the surface of the pedal rod operating handle, and pressure sensors are respectively arranged in the middle of pipelines between the connecting end of the left cavity of the mechanical brake cylinder and the right end of the electric master brake cylinder and between the two groups of wheel cylinders of the automobile wheels.
Preferably, a pedal stroke simulator control valve is arranged in the middle of a pipeline between the pedal stroke simulator connecting end and the mechanical brake cylinder right end connecting end and one of the automobile wheel cylinders, and an electric motor for generating brake pressure inside the electric master brake cylinder is arranged at one end of the electric master brake cylinder.
Preferably, the middle of a pipeline between the connecting end of the right end of the electric master cylinder and the connecting ends of the two groups of automobile wheel cylinders is respectively provided with an electric master cylinder decoupling valve, the middle of a pipeline between the connecting end of the pedal stroke simulator and the connecting end of the mechanical brake cylinder and the automobile wheel cylinders is respectively provided with a mechanical brake cylinder decoupling valve, and the mechanical brake cylinder decoupling valve is communicated with the electric master cylinder decoupling valve.
Preferably, the brake pressure increasing valves are respectively arranged in the middle of pipelines between the connecting ends of the electric master cylinder decoupling valves and the connecting ends of the four automobile wheel cylinders, and the brake pressure reducing valves are arranged in the middle of pipelines between the connecting ends of the four automobile wheel cylinders and the connecting ends of the brake fluid storage containers.
Preferably, the four brake pressure reducing valves are communicated with each other through pipelines, and the four brake pressure increasing valves are communicated with each other through pipelines.
Preferably, four second solenoid valve mounting holes, a mechanical brake cylinder hole, a pedal stroke simulator mounting hole, an electric main brake cylinder hole, a diagnosis solenoid valve mounting hole, a pressure sensor mounting hole, a pedal stroke simulator control valve mounting hole, an electric main cylinder decoupling valve mounting hole, a mechanical brake cylinder decoupling valve mounting hole, four first solenoid valve mounting holes, a check valve mounting hole, an automobile wheel cylinder interface, a displacement sensor mounting hole, a first hydraulic cylinder compensation sleeve connecting oil port, a second hydraulic cylinder compensation sleeve connecting oil port, a third hydraulic cylinder compensation sleeve connecting oil port, a fourth hydraulic cylinder compensation sleeve connecting oil port and a brake fluid reservoir interface are respectively and fixedly arranged inside the hydraulic block.
Preferably, the second solenoid valve mounting holes are arranged in parallel with the first solenoid valve mounting holes and are all located at the top of the hydraulic block, the four second solenoid valve mounting holes are respectively and fixedly connected with the connecting ends of the corresponding four brake pressure increasing valves, the mechanical brake cylinder hole is fixedly connected with the connecting end of the mechanical brake cylinder, the mechanical brake cylinder hole is horizontally arranged, the pedal stroke simulator mounting hole is fixedly connected with the connecting end of the pedal stroke simulator, the pedal stroke simulator mounting hole is located at the rear side end of the hydraulic block, the electric main brake cylinder hole is fixedly connected with the connecting end of the electric main brake cylinder, the electric main brake cylinder hole is located inside the second sealing groove, the electric main brake cylinder hole penetrates through to the bottom of the hydraulic block, the diagnostic solenoid valve mounting hole is fixedly connected with the connecting end of the diagnostic solenoid valve, and the pressure sensor mounting hole is fixedly connected with the connecting end of the pressure sensor, the pedal stroke simulator comprises a pedal stroke simulator control valve, an electric master cylinder decoupling valve, a mechanical brake cylinder decoupling valve, four first electromagnetic valve mounting holes, a first brake pressure reducing valve, a second brake pressure reducing valve, a first electromagnetic valve mounting hole, a second electromagnetic valve mounting hole, a first displacement sensor mounting hole, a second displacement sensor mounting hole, a third eccentric groove mounting hole, a fourth electromagnetic valve mounting hole mounting a fourth electromagnetic valve mounting hole mounting a fourth electromagnetic valve mounting hole mounting a fourth electromagnetic valve mounting hole mounting a fourth electromagnetic valve mounting hole mounting a fourth electromagnetic valve mounting hole mounting a brake, a fourth electromagnetic valve mounting hole mounting a brake, a brake, a brake a pedal stroke simulator hole mounting, first pneumatic cylinder compensation sleeve connects hydraulic fluid port, second pneumatic cylinder compensation sleeve connects hydraulic fluid port, third pneumatic cylinder compensation sleeve connects hydraulic fluid port and fourth pneumatic cylinder compensation sleeve connects hydraulic fluid port and connects the hydraulic fluid port and connect the hydraulic fluid port with first eccentric groove connection hydraulic fluid port, second eccentric groove connection hydraulic fluid port, third eccentric groove connection hydraulic fluid port and fourth eccentric groove respectively and correspond the setting of being linked together, the quantity of check valve mounting hole is three, and three check valve mounting hole is respectively on footboard stroke simulator mounting hole, brake fluid reserve container interface and third eccentric block.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the oil circuit connection of the electric brake cylinder and the hydraulic block is set simply through the pore channel arranged in the hydraulic cylinder compensation sleeve, and the axial length of the hydraulic equipment is shortened on the arrangement of the hydraulic equipment integrally used for a vehicle hydraulic brake system, so that the volume of the hydraulic equipment is reduced.
2. The invention not only compactly and saves space to install the mechanical brake cylinder and the pedal stroke simulator in the hydraulic block of the hydraulic equipment of the vehicle hydraulic brake system, but also completely completes the connection of all components in the hydraulic block by straight holes without inclined hole connection, thereby reducing the difficulty of the production process, and the combined hydraulic block is a hydraulic block with complete function formed by matching the hydraulic block and the hydraulic cylinder compensation sleeve.
Drawings
FIG. 1 is a hydraulic circuit diagram of the overall structure of a combined hydraulic block for a vehicle braking system according to the present invention;
FIG. 2 is a schematic diagram of the overall structure of the combined hydraulic block for the vehicle braking system according to the present invention;
FIG. 3 is a schematic diagram of the structure of the combined hydraulic block hydraulic cylinder compensating sleeve for the vehicle braking system of the present invention;
FIG. 4 is a first cross-sectional view showing the overall structure of the combined hydraulic block for a vehicle brake system according to the present invention;
fig. 5 is a sectional view showing the overall structure of the combined hydraulic block for a vehicle brake system according to the second embodiment of the present invention.
In the figure: 1. a hydraulic block; 2. the first eccentric groove is connected with the oil port; 3. the second eccentric groove is connected with the oil port; 4. the third eccentric groove is connected with the oil port; 5. the fourth eccentric groove is connected with the oil port; 6. a brake fluid reservoir; 7. a mechanical brake cylinder; 8. a pedal stroke simulator; 10. a brake pressure reducing valve; 11. braking the pressure increasing valve; 12. an electric master cylinder decoupling valve; 13. a mechanical brake cylinder decoupling valve; 14. a pedal stroke simulator control valve; 15. an electric master brake cylinder; 18. diagnosing the solenoid valve; 19. a pressure sensor; 20. a check valve; 21. a wheel cylinder of a vehicle wheel; 22. a displacement sensor; 23. an electric motor; 24. a first seal groove; 25. a second seal groove; 26. a third seal groove; 27. a hydraulic cylinder compensation sleeve; 28. a pedal rod; 29. a first eccentric mass; 30. a second eccentric mass; 31. a third eccentric mass; 38. the first hydraulic cylinder compensation sleeve is connected with the oil port; 39. the second hydraulic cylinder compensation sleeve is connected with the oil port; 40. the third hydraulic cylinder compensation sleeve is connected with the oil port; 50. the fourth hydraulic cylinder compensation sleeve is connected with the oil port; 60. a brake fluid reservoir interface; 70. a mechanical brake cylinder bore; 80. a pedal stroke simulator mounting hole; 100. a first solenoid valve mounting hole; 110. a second solenoid valve mounting hole; 120. an electric master cylinder decoupling valve mounting hole; 130. a mechanical brake cylinder decoupling valve mounting hole; 140. a pedal stroke simulator control valve mounting hole; 150. an electric main brake cylinder bore; 180. diagnosing a solenoid valve mounting hole; 190. a pressure sensor mounting hole; 200. a check valve mounting hole; 210. a wheel cylinder interface of the automobile wheel; 220. and a displacement sensor mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the method comprises the following steps:
a pedal lever 28 for operating a braking action;
a brake fluid reservoir 6 for storing a pressurizing medium;
a piston of the mechanical brake cylinder 7 is fixedly arranged with an operating handle of a pedal rod 28 and used for providing initial brake pressure, and a left cavity connecting port and a right cavity connecting port of the mechanical brake cylinder 7 are communicated with a connecting port of the brake fluid storage container 6 through pipelines;
the electric main brake cylinder 15 is internally provided with a motor and is used for providing pressure for a pressurized medium through the motor to operate wheels to brake, a left cavity connecting port and a right cavity connecting port of the electric main brake cylinder 15 are communicated with a connecting port of the brake fluid storage container 6 through pipelines, and a left cavity port of the electric main brake cylinder 15 and a left cavity port of the pedal stroke simulator 8 are respectively connected with a check valve 20 through pipelines;
a pedal stroke simulator 8 connected to the mechanical brake cylinder 7 and adapted to provide a reaction force in response to an operation of the pedal rod 28 to generate a pedal feeling of braking, a connection port of the pedal stroke simulator 8 communicating with a connection port of the brake fluid reservoir 6 through a pipe;
the wheel cylinder group comprises four automobile wheel cylinders 21, and the four automobile wheel cylinders 21 are divided into two groups;
the hydraulic block 1 is internally provided with a plurality of pipelines and is a brake fluid storage container 6, a mechanical brake cylinder 7, a pedal stroke simulator 8, a connecting pipeline is provided for communication between an electric master brake cylinder 15 and a wheel cylinder group, a hydraulic cylinder compensation sleeve 27 is fixedly installed at the top of the hydraulic block 1 through a bolt, the hydraulic cylinder compensation sleeve 27 is of a cylindrical sleeve structure, the side wall of the second sealing groove 25 is of a hollow structure, a first eccentric groove connecting oil port 2, a second eccentric groove connecting oil port 3, a third eccentric groove connecting oil port 4, a fourth eccentric groove connecting oil port 5, a first sealing groove 24, a second sealing groove 25, a third sealing groove 26, a first eccentric block 29, a second eccentric block 30 and a third eccentric block 31 are fixedly installed on the surface of the hydraulic cylinder compensation sleeve 27 respectively.
A diagnosis electromagnetic valve 18 with a loop diagnosis function is arranged in the middle of a pipeline between a connecting port of a right cavity of the mechanical brake cylinder 7 and a connecting port of the brake fluid storage container 6, a displacement sensor 22 for detecting the displacement of the operating handle of the pedal rod 28 is arranged on the surface of the operating handle of the pedal rod 28, and pressure sensors 19 are respectively arranged in the middle of pipelines between a connecting port of the left cavity of the mechanical brake cylinder 7, a connecting end of the right end of the electric master brake cylinder 15 and two groups of wheel cylinders 21 of the automobile wheels.
A pedal stroke simulator control valve 14 is arranged in the middle of a pipeline between the connection end of the pedal stroke simulator 8 and the connection end of the right end of the mechanical brake cylinder 7 and one group of wheel cylinders 21 of the automobile, and an electric motor 23 for generating brake pressure inside the electric master brake cylinder 15 is arranged at one end of the electric master brake cylinder 15.
An electric master cylinder decoupling valve 12 is arranged in the middle of a pipeline between the connecting end of the right end of the electric master cylinder 15 and the connecting ends of the two groups of automobile wheel cylinder 21, a mechanical master cylinder decoupling valve 13 is arranged in the middle of a pipeline between the connecting end of the pedal stroke simulator 8 and the connecting end of the mechanical brake cylinder 7 and the automobile wheel cylinder 21, and the mechanical brake cylinder decoupling valve 13 is communicated with the electric master cylinder decoupling valve 12.
The brake pressure increasing valves 11 are respectively arranged in the middle of the pipelines between the connecting ends of the electric main cylinder decoupling valves 12 and the connecting ends of the four automobile wheel cylinders 21, and the brake pressure reducing valves 10 are arranged in the middle of the pipelines between the connecting ends of the four automobile wheel cylinders 21 and the connecting ends of the brake fluid storage containers 6.
The four brake pressure reducing valves 10 are communicated with each other through pipelines, and the four brake pressure increasing valves 11 are communicated with each other through pipelines.
Four second solenoid valve mounting holes 110, a mechanical brake cylinder hole 70, a pedal stroke simulator mounting hole 80, an electric main brake cylinder hole 150, a diagnostic solenoid valve mounting hole 180, a pressure sensor mounting hole 190, a pedal stroke simulator control valve mounting hole 140, an electric main cylinder decoupling valve mounting hole 120, a mechanical brake cylinder decoupling valve mounting hole 130, four first solenoid valve mounting holes 100, a check valve mounting hole 200, an automobile wheel cylinder interface 210, a displacement sensor mounting hole 220, a first hydraulic cylinder compensation sleeve connecting oil port 38, a second hydraulic cylinder compensation sleeve connecting oil port 39, a third hydraulic cylinder compensation sleeve connecting oil port 40, a fourth hydraulic cylinder compensation sleeve connecting oil port 50 and a brake fluid reservoir interface 60 are respectively and fixedly arranged in the hydraulic block 1.
The second electromagnetic valve mounting holes 110 are arranged in parallel with the first electromagnetic valve mounting holes 100 and are all located at the top of the hydraulic block 1, the four second electromagnetic valve mounting holes 110 are respectively and fixedly mounted with the corresponding connecting ends of the four brake pressure increasing valves 11, the connecting end of the mechanical brake cylinder hole 70 and the mechanical brake cylinder 7 is fixedly mounted, the mechanical brake cylinder hole 70 is horizontally arranged, the pedal stroke simulator mounting hole 80 and the connecting end of the pedal stroke simulator 8 are fixedly mounted, the pedal stroke simulator mounting hole 80 is located at the rear side end of the hydraulic block 1, the connecting end of the electric main brake cylinder hole 150 and the electric main brake cylinder 15 is fixedly mounted, the electric main brake cylinder hole 150 is located inside the second sealing groove 25, the electric main brake cylinder hole 150 penetrates through to the bottom of the hydraulic block 1, the diagnostic electromagnetic valve mounting hole 180 and the connecting end of the diagnostic electromagnetic valve 18 are fixedly mounted, and the pressure sensor mounting hole 190 and the connecting end of the pressure sensor 19 are fixedly mounted, the pedal stroke simulator control valve mounting hole 140 is fixedly mounted with the connecting end of the pedal stroke simulator control valve 14, the electric master cylinder decoupling valve mounting hole 120 is fixedly mounted with the connecting end of the electric master cylinder decoupling valve 12, the electric master cylinder decoupling valve mounting hole 120 is communicated with the third eccentric groove connecting oil port 4, the mechanical brake cylinder decoupling valve mounting hole 130 is fixedly mounted with the connecting end of the mechanical brake cylinder decoupling valve 13, the four first solenoid valve mounting holes 100 are fixedly mounted with the connecting ends of the corresponding four brake reducing valves 10, the automobile wheel cylinder interface 210 is fixedly mounted with the connecting end of the automobile wheel cylinder 21, the displacement sensor mounting hole 220 is fixedly mounted with the connecting end of the displacement sensor 22, the displacement sensor mounting hole 220 is arranged in parallel with the mechanical brake cylinder hole 70, the connecting end of the check valve 20 and the check valve mounting hole 200 is fixedly mounted, and the connecting end of the brake fluid reservoir interface 60 and the brake fluid reservoir 6 is fixedly mounted, the first hydraulic cylinder compensation sleeve connecting oil port 38, the second hydraulic cylinder compensation sleeve connecting oil port 39, the third hydraulic cylinder compensation sleeve connecting oil port 40 and the fourth hydraulic cylinder compensation sleeve connecting oil port 50 are respectively communicated with the first eccentric groove connecting oil port 2, the second eccentric groove connecting oil port 3, the third eccentric groove connecting oil port 4 and the fourth eccentric groove connecting oil port 5, the number of the check valve mounting holes 200 is three, and the three check valve mounting holes 200 are respectively arranged on the pedal stroke simulator mounting hole 80, the brake fluid storage container interface 60 and the third eccentric block 31.
The working principle is as follows: in use, the cylinder compensating sleeve 27 of the present invention has a first eccentric mass 29, a second eccentric mass 30, and a third eccentric mass 31 therein, and a first seal groove 24, a second seal groove 25, and a third seal groove 26 therein. Wherein the first eccentric block 29 is connected with the third eccentric groove connecting oil port 4 and the fourth eccentric groove connecting oil port 5 through blind holes, the second eccentric block 30 is connected with the second eccentric groove connecting oil port 3, and the third eccentric block 31 is connected with the first eccentric groove connecting oil port 2. The bottom of the hydraulic cylinder compensation sleeve 27 is provided with three groups of bolt holes, wherein each group comprises two bolt holes, and the two bolt holes are fixedly combined with the hydraulic block 1;
a first eccentric groove connecting oil port 2, a second eccentric groove connecting oil port 3, a third eccentric groove connecting oil port 4 and a fourth eccentric groove connecting oil port 5 on the automobile wheel cylinder 21 correspond to a first eccentric block 29, a second eccentric block 30, a third hydraulic cylinder compensation sleeve connecting oil port 40 and a fourth hydraulic cylinder compensation sleeve connecting oil port 50 on the hydraulic block 1, wherein the first eccentric block 29 and the third hydraulic cylinder compensation sleeve connecting oil port 40 on the hydraulic block 1 are connected through an oil way, the second eccentric block 30 is connected with the fourth hydraulic cylinder compensation sleeve connecting oil port 50, and the fourth hydraulic cylinder compensation sleeve connecting oil port 50 is connected with the check valve 20;
the hydraulic components of a hydraulic system of a vehicle brake system are installed in a hydraulic block 1, which hydraulic block 1 is shown in fig. 3 and 4, and in fig. 1 a hydraulic circuit diagram of a vehicle brake system is shown, which has a manually actuable mechanical brake cylinder 7 and an electrical master brake cylinder 15, to which mechanical brake cylinder 7 and electrical master brake cylinder 15 two brake circuits I, II are connected, respectively, each brake circuit I, II being connected to wheel cylinders 21 of two vehicle wheels via wheel cylinder connections 210, each wheel cylinder connection 210 being connected to a respective brake circuit I, II via a respective brake pressure buildup valve 11 and a respective brake pressure reduction valve 10. The brake pressure buildup valves 11 and the brake pressure reduction valves 10 are also understood as wheel brake pressure regulating valve assemblies, with which the wheel brake pressures in the wheel cylinders 21 of the vehicle and thus the braking forces of the wheels can be regulated individually for each wheel, in a manner known per se and not described in detail here.
In each brake circuit I, II, the vehicle brake system has an electric master cylinder decoupling valve 12 and a mechanical brake cylinder decoupling valve 13, by means of which electric master cylinder decoupling valve 12 and mechanical brake cylinder decoupling valve 13 the brake circuit I, II can be hydraulically decoupled from the electric master brake cylinder 15 and the mechanical brake cylinder 7. An electric master cylinder decoupling valve 12 is arranged between the electric master cylinder 15 and the brake pressure increasing valve 11, and a mechanical brake cylinder decoupling valve 13 is arranged between the mechanical brake cylinder 7 and the brake pressure increasing valve 11.
A spring-loaded or rubber-loaded hydraulic accumulator is connected as a pedal travel simulator 8 in the brake circuit and thus in the chamber of the mechanical brake cylinder 7. The pedal travel simulator 8 receives brake fluid from the mechanical brake cylinder 7 when the mechanical brake cylinder decoupling valve 13 is closed, so that the mechanical brake cylinder 7 can also be actuated when the mechanical brake cylinder decoupling valve 13 is closed. Thus, when the vehicle driver actuates the mechanical brake cylinder 7 with the mechanical brake cylinder decoupling valve 13 closed, a normal pedal feel or at least an approximate normal pedal feel is transmitted to the vehicle driver when actuating the mechanical brake cylinder 7. The pedal stroke simulator 8 is connected to the mechanical brake cylinder 7 by controlling a pedal stroke simulator control valve 14. From the pedal travel simulator 8, the brake fluid can flow back into the brake fluid reservoir 6.
For external force actuation, the vehicle brake system has an electric master cylinder 15, which facilitates the movement of a piston unit in the electric master cylinder by an electric motor 23 via a rotary-translational gear mechanism, if appropriate with a gear reducer connected in between. The electric master brake cylinder 15 with the piston unit acts on two brake circuits I, II, which are each connected to the brake booster valve 11 via an electric master cylinder decoupling valve 12, the electric master cylinder decoupling valve 12 acting in parallel with the mechanical brake cylinder decoupling valve 13 in the brake circuit I, II. The electric master brake cylinder 15 has a front chamber, which is a main hydraulic chamber, and a rear chamber, which is an auxiliary chamber. The front chamber is connected with two ports, which are respectively connected with the brake fluid reservoir 6 and the brake circuit through a check valve 20. The rear cavity is connected with two oil ports which are respectively connected with oil paths connected with the two oil ports of the front cavity.
A diagnostic solenoid valve 18 is arranged between the mechanical brake cylinder 7 and the brake fluid reservoir 6.
Each brake circuit I, II has a pressure sensor 19, with the pressure sensor 19 connected to the mechanical brake cylinder 7 being able to measure the pressure in the chamber of the double-circuit mechanical brake cylinder 7 and the pressure sensor 19 connected to the master brake cylinder 15 being able to measure the pressure in the chamber of the electric master brake cylinder 15.
The displacement sensor 22 is connected to the pedal rod 28, to which the mechanical brake cylinder 7 is connected to the outside, so that the mounting hole of the displacement sensor 22 is provided in the hydraulic block 1.
The aforementioned valve brake pressure reducing valve 10, brake pressure increasing valve 11, electric master cylinder decoupling valve 12, mechanical brake cylinder decoupling valve 13, pedal stroke simulator control valve 14 and diagnostic solenoid valve 18 are two-position two-way solenoid valves, wherein the brake pressure increasing valve 11, the mechanical brake cylinder decoupling valve 13 connecting the brake circuit I, II with the mechanical brake cylinder 7 and the diagnostic solenoid valve 18 for diagnosing the circuit in the hydraulic block 1 located between the brake fluid reservoir 6 and the mechanical brake cylinder 7 are open in their deenergized basic position, and the brake pressure reducing valve 10, the electric master cylinder decoupling valve 12 and the pedal stroke simulator control valve 14 are closed in their deenergized basic state; in addition to the brake fluid reservoir 6 and the pedal lever 28, all the hydraulic components described, namely the solenoid valve brake pressure reducing valve 10, the brake pressure increasing valve 11, the electric master cylinder decoupling valve 12, the mechanical brake cylinder decoupling valve 13, the pedal travel simulator control valve 14, the diagnostic solenoid valve 18, the mechanical brake cylinder 7, the electric master cylinder 15, the pedal travel simulator 8, the check valve 20, the pressure sensor 19 and the displacement sensor 22 are installed in a hydraulic block 1 and are hydraulically connected to one another, which hydraulic block 1 is shown in fig. 3 and 4 and explained below. As described above, the brake fluid reserve tank 6 is not installed in the hydraulic block 1, and the brake fluid reserve tank 6 is installed to the top of the hydraulic block 1.
The hydraulic block 1 depicted in fig. 3 and 4 serves for mechanically fixing and hydraulically connecting hydraulic components of a hydraulic system, in particular the hydraulic components of the vehicle brake system in fig. 1 already described above; the hydraulic components of the structural elements are located in mounting holes, mounting spaces, etc. of the hydraulic block 1, and the electrical and electromechanical components, such as the coil and armature of the solenoid valve, project outwards from the hydraulic block 1; an electric motor 23 for driving the piston unit of the electric master brake cylinder 15 is fixed outside the hydraulic block 1; the hydraulic block 1 is depicted in an unarmed manner, that is to say without hydraulic components; the mounting hole is a cylindrical hole with a partial diameter in a step shape in the hydraulic block 1; for hydraulic connection, bores are installed in the hydraulic block 1 as connecting lines or more generally as lines; the mounting holes and the lines are arranged parallel or perpendicular to one another and to the edge and the outer surface of the hydraulic block 1 and parallel or perpendicular to the edge and the outer surface of the hydraulic block 1, i.e. in a cartesian coordinate system. The hydraulic block 1 is a special-shaped hydraulic block 1, and the hydraulic block 1 is provided with four automobile wheel cylinder interfaces 210 for connecting automobile wheel cylinders, and the four interfaces are arranged at the bottom of the hydraulic block 1.
At the front side end of the hydraulic block 1, the hydraulic block 1 has a mechanical brake cylinder hole 70, and the mechanical brake cylinder hole 70 is opened at one end of the hydraulic block 1. The bore does not mean that the mechanical brake cylinder bore 70 must be made by drilling. The piston of the mechanical brake cylinder 7 can be inserted directly into the mechanical brake cylinder bore 70.
At one end of the hydraulic block 1 disposed near the mechanical brake cylinder hole 70, the hydraulic block 1 has a pedal stroke simulator mounting hole 80 for the pedal stroke simulator 8. Here, the pedal stroke simulator mounting hole 80 is a cylindrical blind hole that is open at one end of the hydraulic block 1 and occupies almost the entire thickness of the rear-side end of the hydraulic block 1 in consideration of a sufficient wall thickness; the pedal stroke simulator mounting hole 80 is connected to the mechanical brake cylinder hole 70 through a pedal stroke simulator control valve mounting hole 140 of the pedal stroke simulator control valve 14 that controls the pedal stroke simulator 8. The check valve 20 is connected to the front chamber of the pedal stroke simulator mounting hole 80, and the check valve 20 is connected to the mechanical brake cylinder hole 70. The rear chamber of the pedal stroke simulator mounting hole 80 is connected to the brake fluid reservoir port 60 through a hole.
On the top of the hydraulic block 1, the hydraulic block 1 has two rows of four first and second solenoid valve mounting holes 100 and 110 for the brake pressure decreasing valve 10 and the brake pressure increasing valve 11, respectively. Both of these rows are disposed between the brake fluid reservoir port 60 and the mechanical brake cylinder bore 70. It is a cylindrical, stepped blind hole. The four brake pressure reducing valves 10 closest to the brake fluid reservoir port 60 are provided for mounting the brake pressure reducing valves 10. The four second solenoid valve mounting holes 110 closest to the mechanical brake cylinder hole 70 are provided for mounting the brake pressure increase valve 11. Every two adjacent second electromagnetic valve mounting holes 110 are connected with the first electromagnetic valve mounting hole 100 through holes, and every two adjacent second electromagnetic valve mounting holes are respectively connected with one wheel cylinder interface 210 of the automobile through holes.
At the top of the hydraulic block 1, between the second row brake pressure increasing valve 11 and the mechanical brake cylinder hole 70, the hydraulic block 1 has a pressure sensor mounting hole 190 for the pressure sensor 19 on the mechanical brake cylinder 7, and between the electric main brake cylinder hole 150 and the mechanical brake cylinder hole 70 at the top of the hydraulic block 1, there is a pressure sensor mounting hole 190 for the pressure sensor 19 on the electric main brake cylinder 15. The pressure sensor 19 on the brake cylinder 7 is connected directly to the brake cylinder bore 70 via a vertical bore in its base, which opens into the brake cylinder bore 70. The pressure sensor mounting hole 190 on the mechanical brake cylinder 7 is located at the top of the hydraulic block 1, between the second row of second solenoid valve mounting holes 110 and the electric master cylinder decoupling valve mounting holes 120 as viewed in the lateral direction.
The pressure sensor mounting hole 190 of the electric master cylinder 15 is connected with the first eccentric block 29 of the hydraulic cylinder compensating sleeve 27 and the third hydraulic cylinder compensating sleeve connecting oil port 40 and is connected with the electric master cylinder decoupling valve mounting hole 120. Pressure sensor mounting hole 190 in electric master cylinder 15 is located near the intersection of electric master cylinder bore 150 and mechanical brake cylinder bore 70.
On the surface of the hydraulic block 1, there are electric master cylinder decoupling valve mounting holes 120 for two electric master cylinder decoupling valves 12, which are connected to the first eccentric block 29 and the third hydraulic cylinder compensating sleeve connecting oil port 40 on the hydraulic block 1 and are connected to each other, and are connected to two second electromagnetic valve mounting holes 110 connected in series through holes, respectively.
On the surface of the hydraulic block 1, there are three brake fluid reservoir ports 60 for connection to the brake fluid reservoir 6, which are connected via holes to mounting holes in the hydraulic block 1, wherein one brake fluid reservoir port 60 is connected via a hole to a diagnostic solenoid mounting hole 180. The other brake fluid reservoir port 60 is connected to the mechanical brake cylinder hole 70 via a hole and to the pedal stroke simulator mounting hole 80. The other brake fluid reservoir port 60 is connected via two ports to the two second solenoid valve mounting ports 110, and to the fourth eccentric groove connecting port 5 in the second seal groove 25 of the electric master cylinder 15.
On the surface of the hydraulic block 1, between the two rows of the brake pressure reducing valves 10 and the brake pressure increasing valves 11, there are diagnostic solenoid valve mounting holes 180 for diagnosing the diagnostic solenoid valves 18 of the brake circuits of the hydraulic block 1, which are connected through holes to the brake fluid reservoir port 60 and through holes to the mechanical brake cylinder holes 70.
On the surface of the hydraulic block 1 near the pedal stroke simulator mounting hole 80, there is a pedal stroke simulator control valve mounting hole 140 for the pedal stroke simulator control valve 14, which is connected through a hole to the pedal stroke simulator mounting hole 80 and is connected through a hole to the mechanical brake cylinder hole 70.
On the surface of the hydraulic block 1, there are four wheel cylinder interfaces 210 for connecting wheel cylinders 21 of the wheels of the vehicle, and each wheel cylinder interface 210 is connected with two adjacent holes through which the brake pressure increasing valve 11 and the brake pressure reducing valve 10 are connected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A combined hydraulic block for a vehicle braking system, characterized by: the method comprises the following steps:
a pedal lever (28) for operating a braking action;
a brake fluid reservoir (6) for storing a pressurized medium;
the piston of the mechanical brake cylinder (7) is fixedly connected with the operating handle of the pedal rod (28) and used for providing initial brake pressure, and a left cavity connecting port and a right cavity connecting port of the mechanical brake cylinder (7) are communicated with a connecting port of a brake fluid storage container (6) through pipelines;
the brake system comprises an electric main brake cylinder (15), a motor and a pedal stroke simulator (8), wherein the electric main brake cylinder (15) is internally provided with the motor and is used for providing pressure for a pressurized medium through the motor to operate wheels to brake, a left cavity connecting port and a right cavity connecting port of the electric main brake cylinder (15) are communicated with a connecting port of a brake fluid storage container (6) through pipelines, and a left cavity port of the electric main brake cylinder (15) and a left cavity port of the pedal stroke simulator (8) are respectively connected with a check valve (20) through pipelines;
a pedal stroke simulator (8) connected to the mechanical brake cylinder (7) and configured to provide a reaction force in response to an operation of the pedal rod (28) to generate a pedal feeling of braking, a connection port of the pedal stroke simulator (8) communicating with a connection port of a brake fluid reservoir (6) through a pipe;
the wheel cylinder group comprises four automobile wheel cylinders (21), and the four automobile wheel cylinders (21) are divided into two groups;
the hydraulic block (1) is internally provided with a plurality of pipelines and provides connecting pipelines for communication among a brake fluid storage container (6), a mechanical brake cylinder (7), a pedal stroke simulator (8), an electric master brake cylinder (15) and a wheel cylinder group, the top of the hydraulic block (1) is fixedly connected with a hydraulic cylinder compensation sleeve (27) through a bolt, the hydraulic cylinder compensation sleeve (27) is of a cylindrical sleeve structure, and the lateral wall of second seal groove (25) is hollow structure, the surface of pneumatic cylinder compensation sleeve (27) is fixedly connected with first eccentric slot connection hydraulic fluid port (2), second eccentric slot connection hydraulic fluid port (3), third eccentric slot connection hydraulic fluid port (4), fourth eccentric slot connection hydraulic fluid port (5), first seal groove (24), second seal groove (25), third seal groove (26), first eccentric block (29), second eccentric block (30) and third eccentric block (31) respectively.
2. The apparatus for generating vehicle brake pressure according to claim 1, characterized in that: the middle part of a pipeline between a right cavity connecting port of the mechanical brake cylinder (7) and a brake fluid storage container (6) connecting port is provided with a diagnosis electromagnetic valve (18) with a loop diagnosis function, the surface of an operating handle of the pedal rod (28) is provided with a displacement sensor (22) for detecting the displacement of the operating handle of the pedal rod (28), and the middle parts of the pipelines between a left cavity connecting port of the mechanical brake cylinder (7), a right end connecting end of the electric master brake cylinder (15) and two groups of wheel cylinders (21) of the automobile wheels are respectively provided with a pressure sensor (19).
3. The apparatus for generating vehicle brake pressure according to claim 2, characterized in that: and a pedal stroke simulator control valve (14) is arranged in the middle of a pipeline between the connecting end of the pedal stroke simulator (8) and the connecting end of the right end of the mechanical brake cylinder (7) and one group of wheel cylinders (21) of the automobile wheels, and an electric motor (23) for generating brake pressure in the electric master brake cylinder (15) is arranged at one end of the electric master brake cylinder (15).
4. The apparatus for generating vehicle brake pressure according to claim 3, characterized in that: the electric master cylinder decoupling valve (12) is arranged in the middle of a pipeline between the connecting end of the right end of the electric master cylinder (15) and the connecting ends of the two groups of automobile wheel cylinders (21), the mechanical master cylinder decoupling valve (13) is arranged in the middle of a pipeline between the connecting end of the pedal stroke simulator (8) and the connecting end of the mechanical brake cylinder (7) and the automobile wheel cylinders (21), and the mechanical brake cylinder decoupling valve (13) is communicated with the electric master cylinder decoupling valve (12).
5. The apparatus for generating vehicle brake pressure according to claim 4, characterized in that: the brake pressure increasing valve is characterized in that the brake pressure increasing valves (11) are respectively arranged in the middle of pipelines between the connecting end of the electric master cylinder decoupling valve (12) and the connecting ends of the four automobile wheel cylinders (21), and the brake pressure reducing valves (10) are arranged in the middle of pipelines between the connecting ends of the four automobile wheel cylinders (21) and the connecting end of the brake fluid storage container (6).
6. The apparatus for generating vehicle brake pressure according to claim 5, characterized in that: the four brake pressure reducing valves (10) are communicated through pipelines, and the four brake pressure increasing valves (11) are communicated through pipelines.
7. The apparatus for generating vehicle brake pressure according to claim 6, characterized in that: four second electromagnetic valve mounting holes (110), a mechanical brake cylinder hole (70), a pedal stroke simulator mounting hole (80), an electric main brake cylinder hole (150), a diagnosis electromagnetic valve mounting hole (180), a pressure sensor mounting hole (190), a pedal stroke simulator control valve mounting hole (140), an electric main cylinder decoupling valve mounting hole (120) and a mechanical brake cylinder decoupling valve mounting hole (130) are respectively and fixedly arranged in the hydraulic block (1), the hydraulic control system comprises four first electromagnetic valve mounting holes (100), check valve mounting holes (200), automobile wheel cylinder interfaces (210), displacement sensor mounting holes (220), a first hydraulic cylinder compensation sleeve connecting oil port (38), a second hydraulic cylinder compensation sleeve connecting oil port (39), a third hydraulic cylinder compensation sleeve connecting oil port (40), a fourth hydraulic cylinder compensation sleeve connecting oil port (50) and a brake fluid storage container interface (60).
8. The apparatus for generating vehicle brake pressure according to claim 7, characterized in that: the second electromagnetic valve mounting holes (110) and the first electromagnetic valve mounting holes (100) are arranged in parallel and located at the top of the hydraulic block (1), the four second electromagnetic valve mounting holes (110) are respectively and fixedly connected with the connecting ends of the corresponding four brake pressure increasing valves (11), the connecting end of the mechanical brake cylinder hole (70) and the connecting end of the mechanical brake cylinder (7) are fixedly connected, the mechanical brake cylinder hole (70) is horizontally arranged, the pedal stroke simulator mounting hole (80) is fixedly connected with the connecting end of the pedal stroke simulator (8), the pedal stroke simulator mounting hole (80) is located at the rear side end of the hydraulic block (1), the electric main brake cylinder hole (150) is fixedly connected with the connecting end of the electric main brake cylinder (15), the electric main brake cylinder hole (150) is located inside the second sealing groove (25), and the electric main brake cylinder hole (150) penetrates through the bottom of the hydraulic block (1), the diagnosis electromagnetic valve mounting hole (180) is fixedly connected with a connecting end of a diagnosis electromagnetic valve (18), the pressure sensor mounting hole (190) is fixedly connected with a connecting end of a pressure sensor (19), the pedal stroke simulator control valve mounting hole (140) is fixedly connected with a connecting end of a pedal stroke simulator control valve (14), the electric master cylinder decoupling valve mounting hole (120) is fixedly connected with a connecting end of an electric master cylinder decoupling valve (12), the electric master cylinder decoupling valve mounting hole (120) is communicated with a third eccentric groove connecting oil port (4), the mechanical brake cylinder decoupling valve mounting hole (130) is fixedly connected with a connecting end of a mechanical brake cylinder decoupling valve (13), four first electromagnetic valve mounting holes (100) are fixedly connected with connecting ends of corresponding four brake pressure reducing valves (10), and an automobile wheel cylinder interface (210) is fixedly connected with a connecting end of an automobile wheel cylinder (21), the hydraulic brake system is characterized in that a displacement sensor mounting hole (220) is fixedly connected with a connecting end of a displacement sensor (22), the displacement sensor mounting hole (220) is arranged in parallel with a mechanical brake cylinder hole (70), a check valve (20) is fixedly connected with a connecting end of a check valve mounting hole (200), a brake fluid storage container interface (60) is fixedly connected with a connecting end of a brake fluid storage container (6), a first hydraulic cylinder compensation sleeve connecting oil port (38), a second hydraulic cylinder compensation sleeve connecting oil port (39), a third hydraulic cylinder compensation sleeve connecting oil port (40) and a fourth hydraulic cylinder compensation sleeve connecting oil port (50) are correspondingly communicated with a first eccentric groove connecting oil port (2), a second eccentric groove connecting oil port (3), a third eccentric groove connecting oil port (4) and a fourth eccentric groove connecting oil port (5) respectively, the number of the check valve mounting holes (200) is three, and the three check valve mounting holes (200) are respectively arranged on the pedal stroke simulator mounting hole (80), the brake fluid storage container interface (60) and the third eccentric block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210289686.5A CN114537347B (en) | 2022-03-23 | 2022-03-23 | Combined hydraulic block for vehicle brake system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210289686.5A CN114537347B (en) | 2022-03-23 | 2022-03-23 | Combined hydraulic block for vehicle brake system |
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| Publication Number | Publication Date |
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| CN114537347A true CN114537347A (en) | 2022-05-27 |
| CN114537347B CN114537347B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210289686.5A Active CN114537347B (en) | 2022-03-23 | 2022-03-23 | Combined hydraulic block for vehicle brake system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150123459A1 (en) * | 2012-04-27 | 2015-05-07 | Advics Co., Ltd. | Brake fluid pressure control unit |
| CN104870278A (en) * | 2012-12-13 | 2015-08-26 | 罗伯特·博世有限公司 | Hydraulic block for a hydraulic power unit of a hydraulic vehicle brake system |
| CN208530546U (en) * | 2018-02-06 | 2019-02-22 | 万向钱潮股份有限公司 | A kind of vehicle integration electric servo brake system |
| WO2021164917A1 (en) * | 2020-02-18 | 2021-08-26 | Robert Bosch Gmbh | Hydraulic block for a hydraulic unit of an externally powered hydraulic vehicle brake system |
| CN113492824A (en) * | 2020-04-07 | 2021-10-12 | 罗伯特·博世有限公司 | Hydraulic block of hydraulic unit for hydraulic external force vehicle braking equipment |
| US20210388829A1 (en) * | 2020-06-15 | 2021-12-16 | Robert Bosch Gmbh | Hydraulic block for a hydraulic unit of a hydraulic vehicle power braking system |
-
2022
- 2022-03-23 CN CN202210289686.5A patent/CN114537347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150123459A1 (en) * | 2012-04-27 | 2015-05-07 | Advics Co., Ltd. | Brake fluid pressure control unit |
| CN104870278A (en) * | 2012-12-13 | 2015-08-26 | 罗伯特·博世有限公司 | Hydraulic block for a hydraulic power unit of a hydraulic vehicle brake system |
| CN208530546U (en) * | 2018-02-06 | 2019-02-22 | 万向钱潮股份有限公司 | A kind of vehicle integration electric servo brake system |
| WO2021164917A1 (en) * | 2020-02-18 | 2021-08-26 | Robert Bosch Gmbh | Hydraulic block for a hydraulic unit of an externally powered hydraulic vehicle brake system |
| CN113492824A (en) * | 2020-04-07 | 2021-10-12 | 罗伯特·博世有限公司 | Hydraulic block of hydraulic unit for hydraulic external force vehicle braking equipment |
| US20210388829A1 (en) * | 2020-06-15 | 2021-12-16 | Robert Bosch Gmbh | Hydraulic block for a hydraulic unit of a hydraulic vehicle power braking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114537347B (en) | 2022-11-18 |
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