CN207875614U - The master cylinder arrangement of electric line control braking system - Google Patents
The master cylinder arrangement of electric line control braking system Download PDFInfo
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- CN207875614U CN207875614U CN201721793382.3U CN201721793382U CN207875614U CN 207875614 U CN207875614 U CN 207875614U CN 201721793382 U CN201721793382 U CN 201721793382U CN 207875614 U CN207875614 U CN 207875614U
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Abstract
The utility model discloses the master cylinder arrangements of electric line control braking system comprising II chamber of I chamber of master cylinder and master cylinder being connect with two wheel end loops；III chamber of master cylinder being distributed between II chamber of I chamber of master cylinder and master cylinder；And IV chamber of pedal cylinder of pedal cylinder；Pedal cylinder is connect with brake pedal；I chamber of master cylinder and II chamber of master cylinder are distributed in the both ends of master cylinder body；III chamber of master cylinder is separated by master cylinder first piston and master cylinder second piston respectively with I chamber of master cylinder and II chamber of master cylinder；IV chamber of pedal cylinder and III chamber oil circuit connection of master cylinder.Using above-mentioned technical proposal, the transmission for being directly realized by brake force with hydraulic drive is realized, no longer realizes that braking, structure arrangement are convenient and compacter using mechanical connection；Braking system is controlled by ECU also more convenient and flexible and reliable；The braking process pedal sense of driver is generated by pedal sense simulator, handling improves；Improve the safety of braking.
Description
Technical field
The utility model belongs to the technical field of brake system of car.More specifically, the utility model is related to electric wires
Control the master cylinder arrangement of braking system.
Background technology
Currently, in the line control brake system of the prior art, brake pedal to master cylinder generally uses mechanical transmissioning machine
Structure transmits the brake force of driver, and master cylinder is divided into two chambers and compensation hole is arranged connect with oil can.But this frame mode
There is very big deficiencies：Complex structural designs, axial dimension are big；Master cylinder compensation hole makes sealing cup built in master cylinder body, with
When usage time lengthen leather cup own dimensions and can increase and cause to leak；By mechanism driving, mechanism is limited, entire braking system
Structure it is not compact enough, be unfavorable for the design of line control brake system.
Utility model content
The utility model provides a kind of master cylinder arrangement of electric line control braking system, and the purpose is to be realized using hydraulic drive
The transmission of brake force.
To achieve the goals above, the technical solution that the utility model is taken is：
The master cylinder arrangement of the electric line control braking system of the utility model, the master cylinder are connect with two wheel end loops；
The master cylinder arrangement includes following four oil pocket：I chamber of master cylinder and master cylinder being connect with two wheels end loop MC, MC
II chamber；III chamber of master cylinder being distributed between II chamber of I chamber of master cylinder and master cylinder；And IV chamber of pedal cylinder of pedal cylinder；
The pedal cylinder is connect with brake pedal；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of master cylinder body；III chamber of master cylinder and I chamber of master cylinder and
II chamber of master cylinder is separated by master cylinder first piston and master cylinder second piston respectively；IV chamber of pedal cylinder and III chamber oil circuit of master cylinder
Connection；
The master cylinder first piston and oil pocket end cap, master cylinder second piston and oil pocket end cap and master cylinder first piston and
Master cylinder second piston, is connected by elastic element respectively.
On the oil circuit that IV chamber of pedal cylinder is connect with III chamber of master cylinder, the first solenoid electric valve is set.
On the oil circuit that IV chamber of pedal cylinder is connect with the first solenoid electric valve, setting pedal sense simulates branch's oil
Road, the other end of branch's oil circuit and the oil pocket of pedal sense simulator connect.
On the pedal sense simulation branch oil circuit, it is additionally provided with the second solenoid electric valve.
By on the oil circuit of first two hydraulic fluid ports of solenoid electric valve connection, it is arranged and first Electromagnetic Control
The safety valve of valve parallel connection.
III chamber of master cylinder is connect by oil circuit with supercharge control system.
Third solenoid electric valve is equipped in the supercharge control system, the third solenoid electric valve is arranged in master cylinder
On the oil circuit of the oil pocket of III chamber and supercharge control system connection.
I chamber of master cylinder and II chamber of master cylinder and wheel two, end circuit, are connect by oil circuit with supercharge control system.
On the oil circuit that two, end of the wheel circuit is connect with supercharge control system, a third Electromagnetic Control is respectively set
Valve.
In order to realize goal of the invention identical with above-mentioned technical proposal, the invention also discloses a kind of controls of electric wire
The master cylinder arrangement of dynamic system, the master cylinder are connect with two wheel end loops, and technical solution is：
The master cylinder arrangement includes two master cylinders, and one of master cylinder is equipped with III chamber of I chamber of master cylinder and the first master cylinder；It is described
I chamber of master cylinder and III chamber of the first master cylinder separated by master cylinder first piston；Another master cylinder is equipped with II chamber of master cylinder and the second master cylinder
III chamber；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston；
I chamber of master cylinder and II chamber of master cylinder is taken turns end loops with two, is connect respectively；
The master cylinder arrangement also structure includes the pedal cylinder being connect with brake pedal；First master cylinder, III chamber and
Two master cylinders, III chamber connects oil circuit connection by III chamber of master cylinder；The pedal of III chamber of master cylinder the connection oil circuit and the pedal cylinder
IV chamber of cylinder connects；
The both ends of the master cylinder first piston, the both ends of master cylinder second piston pass through elastic element with oil pocket end cap respectively
Connection.
The utility model uses above-mentioned technical proposal, realizes the transmission that brake force is directly realized by with hydraulic drive, no longer
Realize that braking, structure arrangement are convenient and compacter using mechanical connection；Braking system is controlled also more by ECU
It is convenient, flexible and reliable；The braking process pedal sense of driver is generated by pedal sense simulator, handling improves；It carries
The high safety of braking；The supercharging to taking turns end loop has been neatly realized, brake force is enable to meet security needs.
Description of the drawings
Label in content and figure shown in attached drawing is briefly described as follows：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the master cylinder of the utility model is divided into the structural schematic diagram of two axis arrangement；
Fig. 3 is the structural schematic diagram that structure increases a pedal sense simulator shown in Fig. 1；
Fig. 4 is the structural schematic diagram of structure shown in Fig. 3 one safety valve of parallel connection on the first solenoid electric valve；
Fig. 5 is the structural representation that structure increases a supercharge control system shown in Fig. 4 and the system is connect with III chamber of master cylinder
Figure；
Fig. 6 is that structure shown in Fig. 4 increases a supercharge control system and the system is connect with two circuits at wheel end respectively
Structural schematic diagram.
In figure label for：
01, pedal cylinder, 01-1, pedal the cylinder piston, 01-2, brake pedal, 02, master cylinder, 02-1, master cylinder first piston, 02-
2, master cylinder second piston, 03, pedal sense simulator, the 04, second solenoid electric valve, the 05, first solenoid electric valve, 05-1, peace
Full valve, 06, ECU, 07, supercharge control system, MC1, wheel end loop, MC2, wheel end loop.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, with help those skilled in the art to the inventive concept of the utility model, technical solution have it is more complete, accurate and
Deep understanding.
The structure of the utility model as expressed by Fig. 1 is a kind of master cylinder arrangement of electric line control braking system, described
Master cylinder 02 is connect with two wheel end loop MC1, wheel end loop MC2.Vehicle is equipped with ECU6 (ECU, Electronic Control
Unit, Vehicle Electronic Control Unit), accurate, flexible and reliable control is carried out to the transport condition (including braking) of vehicle.
In order to overcome the deficiencies of existing technologies, the goal of the invention for the transmission that brake force is realized using hydraulic drive is realized, originally
The technical solution that utility model is taken is：
As shown in Figure 1, the master cylinder arrangement of the electric line control braking system of the utility model, including following four oil pocket：With
Two wheel end loop MC1, II chamber of I chamber of master cylinder and master cylinder for taking turns end loop MC2 connections；Be distributed in I chamber of master cylinder and II chamber of master cylinder it
Between III chamber of master cylinder；And IV chamber of pedal cylinder of pedal cylinder 01；
The pedal cylinder 01 is connect with brake pedal 01-2；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of 02 cylinder body of master cylinder；III chamber of master cylinder and I chamber of master cylinder
It is separated respectively by master cylinder first piston 02-1 and master cylinder second piston 02-2 with II chamber of master cylinder；IV chamber of pedal cylinder and master
III chamber oil circuit connection of cylinder；
The master cylinder first piston 02-1 and oil pocket end cap, master cylinder second piston 02-2 and oil pocket end cap and master cylinder the
One piston 02-1 and master cylinder second piston 02-2, is connected by elastic element respectively.
The effect of III chamber elastic element of I chamber of above-described master cylinder, II chamber of master cylinder and master cylinder is, in no application hydraulic pressure
In the case of force effect, the master cylinder first piston 02-1 and master cylinder second piston 02-2 is in equilbrium position.Pedal cylinder IV
The effect of elastic element in chamber is, in the case of no application action of hydraulic force, pedal the cylinder piston 01-1, which is in, resets position
It sets, i.e. the position of rightmost in figure.
As shown in Figure 1, the position being connect with two wheel end loop MC1, wheel end loop MC2, is at the both ends of master cylinder,
It can realize normal braking pressurization.Following figure has such requirement.
The master cylinder arrangement of the above-mentioned electronic hydraulic brake system (brake-by-wire) of the utility model, brake pedal 01-2's steps on
Plate power is transferred to the oil pocket of master cylinder 02 not over mechanical connection, but relies on the transmission of hydraulic connecting progress power；Master cylinder system
Share 4 chamber compositions：With the wheel loop-coupled chamber in two, end (I chamber of master cylinder, II chamber of master cylinder)；For transmitting brake force, pushing two
III chamber of master cylinder of master cylinder piston (master cylinder first piston 02-1 and master cylinder second piston 02-2)；And what is connect with brake pedal steps on
IV chamber of plate cylinder.
The operation principle of master cylinder arrangement is analyzed below by Fig. 1：
When driver steps on brake pedal 01-2, IV chamber of pedal cylinder of pedal cylinder 01 generates hydraulic pressure, passes through hydraulic connecting, hydraulic pressure
It is transferred to III chamber of master cylinder, hydraulic coupling pushes master cylinder first piston 02-1 and master cylinder second piston 02-2, II chamber of I chamber of master cylinder and master cylinder
Hydraulic pressure is generated, hydraulic pressure output is connect with wheel end loop MC1, wheel end loop MC2, realizes the braking of vehicle.
Referring to Fig. 3：
On the oil circuit that IV chamber of pedal cylinder is connect with III chamber of master cylinder, the first solenoid electric valve 05 is set.
On the oil circuit that IV chamber of pedal cylinder is connect with the first solenoid electric valve 05, setting pedal sense simulates branch
The other end of oil circuit, branch's oil circuit is connect with the oil pocket of pedal sense simulator 03.
On the pedal sense simulation branch oil circuit, it is additionally provided with the second solenoid electric valve 04.
05 and second solenoid electric valve 04 of above-mentioned first solenoid electric valve is by the electromagnetic switch of ECU06 control controls
Valve, effect are as follows：
Pedal sense simulator is arranged in the master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the utility model
03, the second solenoid electric valve 04 and the first solenoid electric valve 05 realize the pedal sense of line traffic control power brake under the control of ECU06
Feel control；Pedal cylinder 01 is respectively connected with the second solenoid electric valve 04 and the first solenoid electric valve 05, the second solenoid electric valve 04
It is connected with pedal sense simulator 03, the first solenoid electric valve 05 is connected with III chamber of master cylinder.
The operation principle of pedal sense simulator is analyzed below by Fig. 3：
Driver steps on brake pedal 01-2, ECU06 and controls the second solenoid electric valve 04 energization opening, ECU06 controls first
Solenoid electric valve 05, which is powered, closes；Driver steps on brake pedal 01-2, and the fluid of pedal cylinder 01 is pressurized to pedal sense simulator
03, generate the braking process pedal sense of driver.
Referring to Fig. 4：
By on the oil circuit of first 05 two hydraulic fluid ports of solenoid electric valve connection, it is arranged and the first electromagnetism control
05 safety valve 05-1 in parallel of valve processed.
The master cylinder arrangement setting safety valve 05-1 of the electronic hydraulic brake system (brake-by-wire) of the utility model.The safety
Valve 05-1 sets the Opening pressure (such as be set as 2MPa) that III chamber of master cylinder is flowed to by pedal cylinder 01；It is oily in pedal cylinder 01
Liquid because the other components of system break down can not drain when, the power that driver steps on brake pedal 01-2 can make in pedal cylinder 01
When hydraulic pressure meets and exceeds the Opening pressure of safety valve 05-1, the fluid in pedal cylinder 01 is by safety valve 05-1, by pressure oil
Liquid is exported to III chamber of master cylinder, realizes the transmission of power.
The operation principle of safety valve is analyzed below by Fig. 4：
Driver steps on brake pedal 01-2, if (such as the second solenoid electric valve 04 is stifled because the other components of system break down
Plug or pedal sense simulator 03 be seized), pedal cylinder 01 can not drain when, brake pedal 01-2 will be difficult to by driver
Tread displacement；Safety valve 05-1 is set, and the power that driver steps on brake pedal 01-2 can make the hydraulic pressure in pedal cylinder 01 reach simultaneously
When Opening pressure more than safety valve 05-1, the fluid in pedal cylinder 01 is exported pressure oil liquid to master cylinder by safety valve 05-1
III chamber realizes the piston motion for being transferred to master cylinder 02, pushing in master cylinder 02 of power, realizes braking.
Referring to Fig. 5：
III chamber of master cylinder is connect by oil circuit with supercharge control system 07.
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the utility model, the master cylinder being connect with wheel end loop
II chamber of I chamber and master cylinder, can connect electric controlled brake system respectively, such as ABS or ESC other electric control braking control systems；By setting
It sets a set of supercharge control system 07 to carry out power-assisted supercharging to III chamber of master cylinder, can also carry out power-assisted to I chamber of master cylinder and II chamber of master cylinder
Supercharging, to realize line traffic control hydraulic braking function, and other active boost control functions.
The operation principle of supercharge control system is analyzed below by Fig. 5：
It takes turns end loop MC1 and connects respectively with other electric control braking control systems such as ABS or ESC with two hydraulic fluid ports for taking turns end MC2
It connects；Power-assisted supercharging is carried out to III chamber of master cylinder by the way that a set of supercharge control system 07 is arranged：
1, when driver steps on brake pedal 01-2, the second solenoid electric valve 04, which is powered, to be opened, and the fluid of pedal cylinder 01 enters
Pedal sense simulator 03, the first solenoid electric valve 05, which is powered, closes；ECU06 control supercharging devices (07) increase master cylinder chamber III
Power-assisted is pressed, realizes brake-by-wire function；ECU (06) controls supercharge control system 07, and pressurization control and drop are carried out to III chamber of master cylinder
Voltage-controlled system；At this point, the feeling that driver steps on brake pedal 01-2 is generated by pedal sense simulator 03, vehicle may be implemented in this process
Regenerative braking hydraulic regulation when energy regenerating；
2, when driver does not step on brake pedal 01-2, when system needs I chamber of master cylinder with II chamber active output oil pressure of master cylinder,
ECU06 controls the energization of the first solenoid electric valve 05 and closes；ECU06 controls supercharge control system 07 and carries out pressure to III chamber of master cylinder
Control makes I chamber of master cylinder be controlled with II cavity pressure of master cylinder, realizes that the hydraulic pressure of the functional requirements such as AEB, ACC of vehicle executes list
Meta function demand.
Referring to Fig. 5：
Third solenoid electric valve is equipped in the supercharge control system 07, the third solenoid electric valve is arranged in master
On the oil circuit that III chamber of cylinder is connect with the oil pocket of supercharge control system 07.
Third solenoid electric valve is by the electromagnetic switch valve of ECU06 control controls, and effect is control supercharge control system
Whether 07 be pressurized III chamber of master cylinder.
Referring to Fig. 6：
I chamber of master cylinder and II chamber of master cylinder and two wheel end loop MC1, wheel end loop MC2, pass through oil circuit and supercharging
Control system 07 connects.
The operation principle of supercharge control system is analyzed below by Fig. 6：
Supercharge control system 07 can also be connect with I chamber of master cylinder and II chamber of master cylinder, directly to two wheel end loop MC1, wheels
End loop MC2 superchargings.Basic one when its working method is come with above-mentioned supercharge control system 07 to the progress power-assisted supercharging of III chamber of master cylinder
Sample, difference are that the supercharging object of supercharge control system 07 becomes two circuits wheel end loop MC1 and wheel end loop MC2.
Referring to Fig. 6：
On the oil circuit that two wheel end loop MC1, the wheel end loop MC2 are connect with supercharge control system 07, respectively set
Set a third solenoid electric valve (i.e. two third solenoid electric valves).
The two third solenoid electric valves are similarly by the electromagnetic switch valve of ECU06 control controls, and effect is that control increases
Whether pressure control system 07 is pressurized I chamber of master cylinder and II chamber of master cylinder.
Referring to Fig. 2：
In order to realize goal of the invention identical with above-mentioned technical proposal, the invention also discloses a kind of controls of electric wire
The master cylinder arrangement of dynamic system, the master cylinder 02 are connect with two wheel end loops, and technical solution is：
The master cylinder arrangement includes two master cylinders 02, and one of master cylinder 02 is equipped with III chamber of I chamber of master cylinder and the first master cylinder；
I chamber of master cylinder and III chamber of the first master cylinder is separated by master cylinder first piston 02-1；Another master cylinder 02 is equipped with II chamber of master cylinder
With III chamber of the second master cylinder；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston 02-2；
I chamber of master cylinder and II chamber of master cylinder is connect with two wheel end loop MC1, wheel end loop MC2 respectively；
The master cylinder arrangement also structure includes the pedal cylinder 01 being connect with brake pedal 01-2；First master cylinder III
Chamber and III chamber of the second master cylinder connect oil circuit connection by III chamber of master cylinder；III chamber of the master cylinder connection oil circuit and the pedal cylinder
01 IV chamber of pedal cylinder connection；
The both ends of the master cylinder first piston 02-1, the both ends of master cylinder second piston 02-2 pass through with oil pocket end cap respectively
Elastic element connects.
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the utility model, wherein connecting with two wheel end loops
I chamber of master cylinder and II chamber of master cylinder connect can be separated into not on the same axis so that 02 axial direction layout design size of master cylinder
It reduces, to reduce the size of hydraulic pressure unit.
As shown in Fig. 2, the position being connect with two wheel end loops should be in the outer end of II chamber of I chamber of master cylinder and master cylinder, together
Sample, III chamber of the first master cylinder and III chamber of the second master cylinder also should be in the ends of cylinder body, to ensure the stroke of hydraulic braking.
It is analyzed below by Fig. 2：
I chamber of master cylinder, II chamber of master cylinder, III chamber of master cylinder have split into two axis arrangements from same axis arrangement, shorten axis
To size so that hydraulic pressure unit arranges that size reduces.
Volume about III chamber of master cylinder designs：
The master cylinder arrangement of the electronic hydraulic brake system (brake-by-wire) of the utility model, sets the volume of III chamber of master cylinder
Meter, it is desirable that the high pressure where the high pressure in the circuit of I chamber of master cylinder place can be released and release II chamber of master cylinder in circuit.
Specifically：
When II intracavitary of I chamber of master cylinder and master cylinder high-voltage oil liquid because braking system power off suddenly or other catastrophic failures occur
When, wheel end loop MC1 can return to II chamber of I chamber of master cylinder and master cylinder, master cylinder first piston with the high-voltage oil liquid for taking turns the circuits end loop MC2
The volume of 02-1 and master cylinder second piston 02-2 movement compression III chambers of master cylinder, to release the height in the circuit of I chamber of master cylinder place
Pressure, and release the high pressure in the circuit of II chamber of master cylinder place.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the methodology of the utility model and various unsubstantialities that technical solution carries out change
Into, or it is not improved the design of the utility model and technical solution are directly applied into other occasions, in the utility model
Protection domain within.
Claims (10)
1. the master cylinder arrangement of electric line control braking system, the master cylinder (02) is connect with two wheel end loops (MC1, MC2)；
It is characterized in that：
The master cylinder arrangement includes following four oil pocket：I chamber of master cylinder and master cylinder being connect with two wheel end loops (MC1, MC2)
II chamber；III chamber of master cylinder being distributed between II chamber of I chamber of master cylinder and master cylinder；And IV chamber of pedal cylinder of pedal cylinder (01)；
The pedal cylinder (01) is connect with brake pedal (01-2)；
I chamber of master cylinder and II chamber of master cylinder is distributed in the both ends of master cylinder (02) cylinder body；III chamber of master cylinder and I chamber of master cylinder and
II chamber of master cylinder is separated by master cylinder first piston (02-1) and master cylinder second piston (02-2) respectively；IV chamber of pedal cylinder with
III chamber oil circuit connection of master cylinder；
The master cylinder first piston (02-1) and oil pocket end cap, master cylinder second piston (02-2) and oil pocket end cap and master cylinder the
One piston (02-1) and master cylinder second piston (02-2), are connected by elastic element respectively.
2. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：In the pedal cylinder
On the oil circuit that IV chamber is connect with III chamber of master cylinder, the first solenoid electric valve (05) is set.
3. the master cylinder arrangement of electric line control braking system according to claim 2, it is characterised in that：In the pedal cylinder
On the oil circuit that IV chamber is connect with the first solenoid electric valve (05), setting pedal sense simulates branch oil circuit, branch's oil circuit it is another
One end is connect with the oil pocket of pedal sense simulator (03).
4. the master cylinder arrangement of electric line control braking system described in accordance with the claim 3, it is characterised in that：In the pedal sense
Feel on simulation branch oil circuit, is additionally provided with the second solenoid electric valve (04).
5. the master cylinder arrangement of electric line control braking system described in accordance with the claim 3, it is characterised in that：By described first
On the oil circuit of (05) two hydraulic fluid port of solenoid electric valve connection, the setting safety valve in parallel with the first solenoid electric valve (05)
(05-1)。
6. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：III chamber of master cylinder
It is connect with supercharge control system (07) by oil circuit.
7. the master cylinder arrangement of electric line control braking system according to claim 6, it is characterised in that：The pressurization control
Third solenoid electric valve is equipped in system (07), the third solenoid electric valve is arranged in III chamber of master cylinder and supercharge control system
(07) on the oil circuit of oil pocket connection.
8. the master cylinder arrangement of electric line control braking system described in accordance with the claim 1, it is characterised in that：I chamber of master cylinder
With II chamber of master cylinder and two wheel end loops (MC1, MC2), it is connect with supercharge control system (07) by oil circuit.
9. the master cylinder arrangement of electric line control braking system according to claim 8, it is characterised in that：In two wheels
On the oil circuit that end loop (MC1, MC2) is connect with supercharge control system (07), a third solenoid electric valve is respectively set.
10. the master cylinder arrangement of electric line control braking system, the master cylinder (02) is connect with two wheel end loops, and feature exists
In：
The master cylinder arrangement includes two master cylinders (02), and one of master cylinder (02) is equipped with III chamber of I chamber of master cylinder and the first master cylinder；
I chamber of master cylinder and III chamber of the first master cylinder is separated by master cylinder first piston (02-1)；Another master cylinder (02) is equipped with master cylinder
III chamber of II chamber and the second master cylinder；II chamber of master cylinder and III chamber of the second master cylinder is separated by master cylinder second piston (02-2)；
I chamber of master cylinder and II chamber of master cylinder is connect with two wheel end loops (MC1, MC2) respectively；
The master cylinder arrangement also structure includes the pedal cylinder (01) being connect with brake pedal (01-2)；First master cylinder III
Chamber and III chamber of the second master cylinder connect oil circuit connection by III chamber of master cylinder；III chamber of the master cylinder connection oil circuit and the pedal cylinder
(01) IV chamber of pedal cylinder connection；
The both ends of the master cylinder first piston (02-1), the both ends of master cylinder second piston (02-2) pass through with oil pocket end cap respectively
Elastic element connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793382.3U CN207875614U (en) | 2017-12-20 | 2017-12-20 | The master cylinder arrangement of electric line control braking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793382.3U CN207875614U (en) | 2017-12-20 | 2017-12-20 | The master cylinder arrangement of electric line control braking system |
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| Publication Number | Publication Date |
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| CN207875614U true CN207875614U (en) | 2018-09-18 |
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ID=63503050
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016420A (en) * | 2017-12-20 | 2018-05-11 | 芜湖伯特利电子控制系统有限公司 | The master cylinder arrangement of electric line control braking system |
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2017
- 2017-12-20 CN CN201721793382.3U patent/CN207875614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016420A (en) * | 2017-12-20 | 2018-05-11 | 芜湖伯特利电子控制系统有限公司 | The master cylinder arrangement of electric line control braking system |
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| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 241009 Taishan Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui, 19 Patentee after: Wuhu Bethel Electronic Control Systems Co., Ltd. Address before: 241009 Wuhu six economic development zone, No. 226, Yin Hu Bei Road, Anhui. Patentee before: Wuhu Bethel Electronic Control Systems Co., Ltd. |