CN208897047U - A kind of integrated form EBS rear axle brake apparatus and the automobile for installing the device - Google Patents
A kind of integrated form EBS rear axle brake apparatus and the automobile for installing the device Download PDFInfo
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- CN208897047U CN208897047U CN201820347817.XU CN201820347817U CN208897047U CN 208897047 U CN208897047 U CN 208897047U CN 201820347817 U CN201820347817 U CN 201820347817U CN 208897047 U CN208897047 U CN 208897047U
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Abstract
The utility model provides a kind of integrated form EBS rear axle brake apparatus and installs the automobile of the device, wherein, device includes valve component, upper cover (6) component, electromagnetic valve component and controller lid (20) component, air inlet armature set (15), exhaust armature set (16) and standby piezoelectricity pivot set (17), three armature set are set gradually inside electromagnetic valve component from top to bottom to be integrated into an electromagnetic valve component.The utility model monitors brake chamber pressure in real time using rear axle brake module device built in pressure sensor, and built-in electromagnetic valve module is controlled by ECU, increase, pressure maintaining and Decompression Controlling are carried out to brake chamber pressure, ensure that vehicle braking is steady, can guarantee vehicle and the safety of driver to the greatest extent.
Description
Technical field
The utility model relates to vehicle brake technology field more particularly to a kind of integrated form RBS rear axle brake apparatus and peaces
Fill the automobile of the device.
Background technique
With the continuous development of auto industry technology, critical system of the braking system as commercial vehicle, control technology has
Larger promotion.EBS is electronic control system, braking system is controlled with traditional machine driving is replaced, to reach good
Braking effect increases automobile braking safety.In vehicle travel process, traditional commercial vehicle braking system executes service brake
Method are as follows: driver step on foot brake valves to relay valve control mouth convey control pressure, control relay valve to brake chamber convey
Pressure.The size of braking pressure steps on the feeling of foot pedal by driver completely.When needing emergency brake, driver can be by foot brake
Valve is floored, and so that the air pressure moment of brake chamber is risen to maximum pressure and is generated collision to vehicle, or even can be to driver head
Etc. significant points generate hit injury.
Such as application No. is the patents of CN201520508491.0 to disclose a kind of automatically controlled bridge control valve assembly of EBS single channel,
It includes valve body, electromagnetic valve component and pressure sensor assembly, and valve body has a primary air inlet, at least two gas outlets and one
A exhaust outlet, primary air inlet connect vehicle gas receiver, and two gas outlets are separately connected each brake chamber of vehicle, are provided in valve body
One gas chamber being connected with primary air inlet, gas outlet and exhaust outlet is provided in gas chamber gas chamber being divided into epicoele and cavity of resorption
Piston, the controlled movement of piston along the vertical direction in the electromagnetic valve component being connect with valve body, under intracavitary be provided with controllable master
Valve whether air inlet is connected to gas outlet, valve are controlled by the movement of piston along the vertical direction.Though the patent is in certain journey
The design of relay valve is simplified on degree, but the design of electric control part does not improve, and does not monitor in the pressure of pressure sensor,
It not can guarantee the gradual braking of vehicle, and there is a problem of the complicated dismounting inconvenience of design.
Application No. is the patents of CN201510515924.X to disclose a kind of automobile EBS system based on main brake valve, packet
Include EBS electronic control unit, main brake valve, front axle brake gas chamber, rear axle brake chamber, the first electromagnetic valve component, second solenoid valve group
Part, the first proportion relay valve, the second proportion relay valve, solenoid valve, wheel speed detector and pressure sensor assembly, main brake valve
With the first circuit gas outlet and second servo loop gas outlet, front axle brake gas chamber is sequentially connected the first solenoid valve block with control piper
Part, the first proportion relay valve, solenoid valve, pressure sensor assembly and second servo loop gas outlet；Rear axle brake chamber is to control pipe
Road is sequentially connected second solenoid valve component, the second proportion relay valve and the first circuit gas outlet；EBS electronic control unit is electrically connected
Main brake valve, the first electromagnetic valve component, second solenoid valve component, the first proportion relay valve, the second proportion relay valve, solenoid valve,
Take turns speed detector and pressure sensor assembly.Although the patent is mounted with sensor module, but for electromagnetic valve component
Control structure design does not improve, and is unable to ensure the stationarity of vehicle braking.
Utility model content
In order to overcome the problems of the prior art, the utility model utilizes rear axle brake module device built in pressure sensor
Monitor in real time brake chamber pressure, and by ECU control built-in electromagnetic valve module to brake chamber pressure carry out increase, pressure maintaining and
Decompression Controlling, it is ensured that vehicle braking is steady, can guarantee vehicle and the safety of driver to the greatest extent.
The utility model solves technical solution used by aforementioned technical problem: a kind of integrated form EBS rear axle braking dress
It sets, including valve component, cover assembly, electromagnetic valve component and controller cap assemblies, inside electromagnetic valve component from top to bottom successively
Air inlet armature set, exhaust armature set and standby piezoelectricity pivot set, three armature set are set and are integrated into an electromagnetic valve component
In.
Preferably, two groups of electromagnetic valve component setting left and right.
Any of the above-described scheme is preferably, and valve component is located in the middle part of rear axle brake apparatus assembly, including valve body, retaining ring,
Valve seat, valve member, return spring, spring base.
Any of the above-described scheme is preferably, and valve seat is fixed on valve body with retaining ring, and valve member is arranged below valve seat,
Return spring is set between valve member and spring base.
Any of the above-described scheme is preferably, and cover assembly is located at valve body top, including upper cover, piston.
Any of the above-described scheme is preferably, and is fixed between upper cover and valve body with the second mounting screw.
Any of the above-described scheme is preferably, and a balance hole is arranged on piston, and capable of making piston, two chamber air pressures are mutually complementary up and down
It fills, and air pressure Fast-Balance is carried out to piston, achieve the purpose that delivery outlet stable gas pressure exports.
Any of the above-described scheme is preferably, and baffle assembly is arranged below piston, exhaust passage is arranged on baffle assembly, to work
The air pressure balance in the area Xia Lianggeqi beyond the Great Wall makes piston stable equilibrium.
Any of the above-described scheme is preferably, and a Y shape coil structures, Y shape coil structures pair are arranged at baffle assembly and piston contact
Baffle assembly lower chamber air pressure seals, while can ensure the kinetic stability of piston.
Any of the above-described scheme is preferably, and electromagnetic valve component is located in the middle part of rear axle brake apparatus assembly, including standby piezoelectricity pivot
Set, exhaust armature set, air inlet armature set, standby piezoelectricity pivot set right end are arranged standby pressing spring, are vented armature set left end
Exhaust spring and drain tap are set, and air inlet spring and air intake valve, electromagnetic valve component right end is arranged in air inlet armature set left end
It is connect with pressing plate.
Any of the above-described scheme is preferably, and pressure sensor is arranged on the right side of electromagnetic valve component.
Any of the above-described scheme is preferably, and is fixed between electromagnetic valve component and valve body by the 4th mounting screw.
Any of the above-described scheme is preferably, controller cap assemblies be arranged outside electromagnetic valve component, including controller lid and
Magnetic head.
Any of the above-described scheme is preferably, and is fixed between valve body and controller lid by the first mounting screw.
Any of the above-described scheme is preferably, and the electric signal between electromagnetic valve component and magnetic head passes through in solenoid valve sheath
Harness be transmitted to wiring board.
Any of the above-described scheme is preferably, and activity cooperation between solenoid valve sheath and wiring board keeps electromagnetic valve component convenient
Disassembly and maintenance.
Any of the above-described scheme is preferably, and is connected between wiring board and controller lid using third mounting screw.
Any of the above-described scheme is preferably, and a head slot, head slot periphery and magnetic head and wiring board are arranged among magnetic head
Auxiliary section, it is easy to disassemble with maintenance using compacting close-fitting at assist side aperture.When magnetic head and route plate mating portion and head slot
When peripheral close-fitting, head slot can change head slot according to magnetic head and route plate mating portion and the interference power of head slot periphery cooperation
Locate size, guarantee to fill not enter because Interference size is excessive between magnetic head and route plate mating portion and head slot periphery,
It is final to determine that magnetic head and route plate mating portion and the cooperation of head slot periphery are safe and reliable, guarantee the telecommunications of electromagnetic valve component and magnetic head
Number safe and reliable transmitting.
Any of the above-described scheme is preferably, and noise elimination seat, noise elimination lid and silencing net is arranged in valve body lower portion discharge portion；Noise elimination seat
It is upper to be designed using porous structure, it is first of exhaust gas filter；Silencing net is second exhaust gas filter, and material is layering
Environmentally friendly porous structure.The use of twice filter structure makes the air pressure of brake chamber after exhaust outlet is discharged into atmosphere, exhaust noise energy
Enough in acceptable range.And then meet the requirement of environmental protection.
Any of the above-described scheme is preferably, and lid of eliminating the noise is connected by a snap with valve body, easy for installation, reliable, is saved simultaneously
Installation space.
Any of the above-described scheme is preferably, and two groups of air inlets, delivery outlet, exhaust outlets is symmetrical arranged at left and right sides of valve body, i.e.,
Left side setting one the first air inlet, two the first delivery outlets, a first row port, one the second air inlet of right side setting,
Two the second delivery outlets, a second exhaust port, it is two sides port that control mouth a P4, the control mouth P4, which is arranged, in valve body lower portion
It shares.
Any of the above-described scheme is preferably, and the first air inlet and the second air inlet are not connected, independently of each other, utmostly
Ensure that progress rate, improve gas supply flow, ensure that the response speed of system.
Any of the above-described scheme is preferably, and the first air inlet and the second air inlet connect gas receiver respectively, the first delivery outlet with
Second delivery outlet connects brake chamber respectively, and foot valve control mouth connects foot brake valves delivery outlet.
A kind of automobile, including integrated form EBS rear axle brake apparatus, including integrated form EBS rear axle described in any of the above embodiments
Brake apparatus.
The beneficial effects of the utility model are:
1, electromagnetic valve component is internally integrated air inlet armature set, exhaust armature set and standby piezoelectricity pivot set, three armatures
Set is designed to an electromagnetic valve component using integrated form design concept, saves installation space, gas circuit is facilitated to arrange, shortens gas circuit
Response time.
2, pressure sensor is provided with inside the integrated form EBS rear axle brake apparatus of the utility model and center ECU controls
Program is monitored in real time the air pressure of brake chamber by center ECU by pressure sensor, and controlling magnetic head by ECU makes air inlet armature
Set, exhaust armature set and standby piezoelectricity pivot set are rationally controlled, and convey reasonable air pressure purpose to reach to brake chamber.
3, a balance hole is set on piston, and capable of making piston, two chamber air pressures are complementary to one another up and down, and carry out air pressure to piston
Fast-Balance achievees the purpose that delivery outlet stable gas pressure exports.
4, baffle assembly is set below piston, logical exhaust passage is set on baffle assembly, makes this rear axle module delivery outlet B1
Area's air pressure reaches the area B3 through the channel B2, with D5 area's air pressure collective effect above piston, when generating air pressure balance to piston, the area B1
Air pressure smoothly reaches the area B3 by channel orifices exhaust passage, has the function that make piston stable equilibrium.
5, a Y shape coil structures are set on baffle assembly, and Y shape coil structures seal to the air pressure of the area B1, while can protect
Hinder the kinetic stability of piston.
6, head slot periphery and magnetic head and route plate mating portion, it is easy to disassemble using compacting close-fitting at assist side aperture
With maintenance.When magnetic head and route plate mating portion and head slot periphery close-fitting, head slot can be according to magnetic head and route plate mating portion
With the interference power of head slot periphery cooperation and change size at head slot, guarantee magnetic head and route plate mating portion and head slot periphery
Between will not fill not enter because Interference size is excessive, it is final to determine that magnetic head and route plate mating portion and head slot periphery cooperate
Securely and reliably, guarantee the safe and reliable transmitting of the electric signal of electromagnetic valve component and magnetic head.
7, the first air inlet and the second air inlet are not connected, independently of each other, ensure that progress rate to the greatest extent, mention
High gas supply flow, ensure that the response speed of system；
8, discharge portion wherein uses porous structure using noise elimination seat, eliminate the noise lid and noise elimination web frame on noise elimination holder structure
Design is first of exhaust gas filter；Silencing net is second exhaust gas filter, and material is the environmentally friendly porous structure that is layering.Two
The use of road filter structure makes the air pressure of brake chamber after exhaust outlet is discharged into atmosphere, and exhaust noise can be in acceptable model
It encloses.And then meet the requirement of environmental protection.
9, it eliminates the noise to cover and uses buckle structure with valve body, it is easy for installation, reliable, while saving installation space.
10, after automatically controlled control brake fade, vehicle braking requirement is equally may be implemented in conventional mechanical braking.The braking mould
Block is a kind of compact-sized, integrated level height, the big brake module of functional strength.
The utility model monitors brake chamber pressure in real time using rear axle brake module device built in pressure sensor, and leads to
It crosses ECU control built-in electromagnetic valve module and increase, pressure maintaining and Decompression Controlling is carried out to brake chamber pressure, it is ensured that vehicle braking is flat
Surely, it can guarantee vehicle and the safety of driver to the greatest extent.
Detailed description of the invention
Fig. 1 is the schematic diagram of a preferred embodiment of the integrated form EBS rear axle brake apparatus of the utility model.
Fig. 2 is that the integrated form EBS rear axle brake apparatus of the utility model removes the preferred embodiment after controller lid
Schematic diagram.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
Fig. 5 is the enlarged view at I of Fig. 3.
Fig. 6 is eliminate the noise at the II of Fig. 2 lid and valve body buckle enlarged drawing.
Fig. 7 is one preferred embodiment of noise elimination seat Facad structure of the integrated form EBS rear axle brake apparatus of the utility model
Schematic diagram.
It illustrates:
1, spring base；2, return spring；3, valve member；4, retaining ring；5, valve seat；6, upper cover；7, piston；8, partition group
Part；9, valve body；10, it eliminates the noise and covers；11, noise elimination seat；12, silencing net；13, the 4th mounting screw；14, pressing plate；15, air inlet armature
Set；16, it is vented armature set；17, standby piezoelectricity pivot set；18, the first mounting screw；19, the second mounting screw；20, it controls
Device lid；21, magnetic head；22, pressure sensor；23, standby pressing spring；24, exhaust spring；25, air inlet spring；26, drain tap；
27, air intake valve；28, solenoid valve sheath；29, third mounting screw；30, wiring board；K1, magnetic head and route plate mating portion；K2,
Head slot；T, head slot periphery；081, Y shape coil structures；B2, exhaust passage；D6, balance hole；P11, the first air inlet；P12,
Two air inlets；P21, the first delivery outlet；P22, the second delivery outlet；P4, foot valve control mouth；P31, first row port；P32, second
Exhaust outlet.
Specific embodiment
In order to be further understood that the content of the utility model, the utility model is made more below in conjunction with specific embodiment
For detailed description, embodiment only has exemplary effect to the utility model, without the effect of any restrictions；It is any
The insubstantial modifications that those skilled in the art make on the basis of the utility model all should belong to the utility model protection
Range.
Embodiment 1
As depicted in figs. 1 and 2, a kind of integrated form EBS rear axle brake apparatus, including valve component, cover assembly, solenoid valve
20 component of component and controller lid, it is characterised in that: set gradually from top to bottom inside electromagnetic valve component air inlet armature set 15,
It is vented armature set 16 and standby piezoelectricity pivot set 17, three armature set is integrated into an electromagnetic valve component.
In the present embodiment, two groups of electromagnetic valve component setting left and right.
In the present embodiment, valve component is located at left and right sides of rear axle brake apparatus assembly, including valve body 9, retaining ring 4, valve
Gate seat 5, valve member 3, return spring 2, spring base 1.
In the present embodiment, valve seat 5 is fixed on valve body 9 with retaining ring 4, and valve member 3, valve are arranged below valve seat 5
Return spring 2 is set between door component 3 and spring base 1.
In the present embodiment, cover assembly is located at valve body top, including upper cover 6, piston 7.
In the present embodiment, it is fixed between upper cover 6 and valve body 9 with the second mounting screw 19.
In the present embodiment, electromagnetic valve component is located in the middle part of rear axle brake apparatus assembly, including standby piezoelectricity pivot set 17, row
Standby pressing spring 23 is arranged in pneumoelectric pivot set 16, air inlet armature set 15, standby 17 right end of piezoelectricity pivot set, and exhaust armature set 16 is left
Air inlet spring 25 and air intake valve 27, electricity is arranged in end setting exhaust spring 24 and drain tap 26,15 left end of air inlet armature set
Electromagnetic valve component right end is connect with pressing plate 14.
In the present embodiment, pressure sensor 22 is set on the right side of electromagnetic valve component.
In the present embodiment, fixed by the 4th mounting screw 13 between electromagnetic valve component and valve body 9.
In the present embodiment, 20 component of controller lid is arranged outside electromagnetic valve component, including controller lid 20 and magnetic head
21。
In the present embodiment, fixed by the first mounting screw 18 between valve body 9 and controller lid 20.
In the present embodiment, the electric signal between electromagnetic valve component and magnetic head 21 passes through the line in solenoid valve sheath 28
Beam is transmitted to wiring board 30.
In the present embodiment, activity cooperation between solenoid valve sheath 28 and wiring board 30, keeps electromagnetic valve component easy to disassemble
With maintenance.
In the present embodiment, it is connected between wiring board 30 and controller lid 20 using third mounting screw 29.
In the present embodiment, two groups of air inlets, delivery outlet, exhaust outlets are symmetrical arranged at left and right sides of valve body 9, i.e. left side setting
Second air inlet is arranged in one the first air inlet P11, two the first delivery outlet P21, a first row port P31, right side
Foot valve control mouth P4 is arranged in P12, two the second delivery outlet P22, a second exhaust port P32,9 lower part of valve body.
Any of the above-described scheme is preferably, and the first air inlet P11 and the second air inlet P12 connect gas receiver respectively, and first is defeated
Outlet P21 and the second delivery outlet P22 connects brake chamber, foot valve control mouth P4 connection foot brake valves delivery outlet respectively.
Embodiment 2
As shown in Fig. 2, embodiment 2 is arranged a balance hole D6, can make with embodiment 1, and in example 2 on piston 7
D5 and B3 chamber air pressure is complementary to one another, and carries out air pressure Fast-Balance to piston 7, achievees the purpose that delivery outlet stable gas pressure exports.
Embodiment 3
As shown in Fig. 2, baffle assembly 8, partition is arranged with embodiment 2, and in embodiment 3 in embodiment 3 below piston 7
Exhaust passage B2 is set on component 8, makes delivery outlet B1 area's air pressure through the channel B2, the area B3 is reached, with the 7 top area D5 air pressure of piston
Collective effect, when generating air pressure balance to piston 7, the air pressure of the area B1 smoothly reaches the area B3 by aperture exhaust passage B2, reaches
Make the effect of 7 stable equilibrium of piston.
Embodiment 4
As shown in Fig. 2, embodiment 4 is with embodiment 3, and in example 4, baffle assembly 8 and 7 contact position of piston are arranged one
Y shape coil structures 081, Y shape coil structures 081 seal to 8 lower chamber B1 area's air pressure of baffle assembly, while can ensure work
The kinetic stability of plug 7.
Embodiment 5
As shown in figure 5, a head slot K2 is arranged with embodiment 4, and in embodiment 5 in embodiment 5 among magnetic head 21,
Head slot periphery T and magnetic head and route plate mating portion K1, it is easy to disassemble with dimension using compacting close-fitting at 30 aperture of assist side
It repairs.When magnetic head and route plate mating portion K1 and head slot periphery T close-fitting, head slot K2 can be according to magnetic head and route plate mating portion
The interference power of K1 and head slot periphery T cooperation and change size head slot K2 at, guarantee magnetic head and route plate mating portion K1 and magnetic
It will not fill not enter because Interference size is excessive between the T of head bore periphery, it is final to determine magnetic head and route plate mating portion K1 and magnetic
T cooperation in head bore periphery is safe and reliable, guarantees the safe and reliable transmitting of the electric signal of electromagnetic valve component and magnetic head 21.
Embodiment 6
For embodiment 6 with embodiment 5, and in embodiment 6, noise elimination seat 11, noise elimination lid 10 is arranged in 9 lower exhaust part of valve body
With silencing net 12；It is first of exhaust gas filter as shown in fig. 7, being designed on noise elimination seat 11 using porous structure；Silencing net 12 is
Second exhaust gas filter, material are the environmentally friendly porous structure being layering.The use of twice filter structure, makes brake chamber
After exhaust outlet is discharged into atmosphere, exhaust noise can be in acceptable range for air pressure.And then meet the requirement of environmental protection.
Embodiment 7
As shown in fig. 6, embodiment 7 is with embodiment 6, and in embodiment 7, noise elimination lid 10 101 at valve body 9 091
Place, is snapped connection, easy for installation, reliable, while saving installation space.
Embodiment 8
For embodiment 8 with embodiment 7, and in embodiment 8, the first air inlet P11 and the second air inlet P12 are not connected,
Independently of each other, it ensure that progress rate to the greatest extent, improve gas supply flow, ensure that the response speed of system.
Normal vehicle operation: during normal vehicle operation, vehicle gas receiver always to the first air inlet P11 and second into
Port P12 conveying air pressure, air pressure rest on the area A1.Valve seat 5 is in close state at this time, and foot valve control mouth P4 is defeated without air pressure
Enter, the first delivery outlet P21 and the second delivery outlet P22 are exported without air pressure.Vehicle is in normally travel state.
Due to symmetrical configuration, the explanation of operation logic is carried out by taking integrated form EBS rear axle brake apparatus right half part as an example.Row
Vehicle brakes (electrical control): when normal vehicle operation, the air pressure at air inlet P12 rests on the area A1 and the area A2, at this time valve seat
5 are in close state with air intake valve 27.When the vehicle in traveling needs to carry out service brake, driver steps on foot valve, in foot valve
Position displacement sensor generates electric signal and transmits to center ECU.ECU is powered on signal to the sending of magnetic head 21, standby piezoelectricity pivot set
17, air inlet armature set 15 is powered on.Because electric signal movement be faster than air pressure signal, institute in case piezoelectricity pivot set 17 energization move
It opposes and is ended from foot valve delivery outlet through the air pressure of this rear axle brake apparatus foot valve control mouth P4, i.e., the channel in the area M1 is cut
Only, make the air pressure of the area D1 that can not reach the area E3.
Air inlet armature set 15 overcomes the pressure of air inlet spring 25 after being powered, the channel M3 at air intake valve 27 is opened,
The area A2 air pressure at this time reaches the area D3 through the area M3, and the area Zai Jing D4 reaches the area D5.The air pressure of the area D5 makes the displacement of piston 7 change.Piston 7
Lower end overcomes the pressure of return spring 2, opens valve member 3, and the air pressure of the area A1 is made to flow to P22 mouthfuls through the area B1.Return spring 2 is instead made
For piston 7, makes the upper and lower chamber air pressure of piston 7 keep balancing rapidly, keep the air pressure of the area D5 identical as the air pressure of the area B1.The area B1 air pressure warp
Inner passage reaches pressure sensor 22 after reaching the area B4, and P22 mouthfuls convey brake pressure to trailer braking protection valve gas chamber, completes automatically controlled row
Vehicle braking, this is pressurization stages.Left side electromagnetic valve component and corresponding air inlet P11, delivery outlet P21, control mode and right side
Electromagnetic valve component is identical.
During the upper and lower chamber air pressure of piston 7 keeps rapidly balance, a balance hole D6 is set in 7 structure of piston, is balanced
Before the setting of hole D6 is so that piston 7 opens valve member 3, the air pressure of the area D5 has passed through balance hole D6 and has reached the area B3.
One exhaust passage B2 is set on baffle assembly 8, so that the air pressure of the area A1 reaches the area B3 through the area B1, excessively gas channel B2, with
7 area epicoele D5 of piston reaches the area B3 air pressure collective effect through balance hole D6, and the upper and lower chamber air pressure of piston 7 is made to keep balancing rapidly.It is flat
The setting of weighing apparatus hole D6 makes 7 area cavity of resorption B3 pressure of piston establish speed quickening, reduces the cracking pressure (pressure of opening an account of 7 epicoele of piston
Power, i.e. piston 7 open resistance, this value is the smaller the better).The setting of exhaust passage B2 is so that the area B1 reaches the gas pressure and high flow rate in the area B3
Receive control.Balance hole D6 and the area exhaust passage B2 collective effect reach defeated so that the upper and lower chamber air pressure balance of piston 7 is stablized
Export the purpose of stable gas pressure output.Meanwhile the cracking pressure of piston 7 is reduced, improve delivery outlet air pressure delivery efficiency.
When brake chamber pressure needs pressure maintaining, ECU issues working signal to magnetic head 21, keeps air inlet armature set 15 disconnected
Electricity is subjected to displacement air inlet armature set 15 and blocks air intake valve 27, the area M3 channel is closed under the action of air inlet spring 25
It closes, blocks the area A2 to the area D3 discharge pressure.Because the air pressure of the area D5 is identical as the area B1, brake chamber pressure is in hold mode, this is
Packing stage.It is in energized state for piezoelectricity pivot set 17 at this time, air inlet armature set 15, exhaust armature set 16 are in disconnected
Electricity condition.Left side electromagnetic valve component and corresponding air inlet P11, delivery outlet P21, control mode and right side electromagnetic valve component phase
Together.
When brake chamber pressure needs to depressurize or releases braking, ECU issues working signal, air inlet armature collection to magnetic head 21
It closes 15 and is in off-position, exhaust armature set 16, standby piezoelectricity pivot set 17 are powered.The exhaust energization of armature set 16 overcomes row
The pressure of gas spring 24 makes the channel M2 at drain tap 26 be opened, so that the air pressure of the area D5 is through the area D4, the area D3, the area E5, M2
Area, the area R2 (when air inlet P11, delivery outlet the P21 work in left side, the area R2 corresponds to the area R1) and noise elimination seat 11,12 row of silencing net
Enter atmosphere.
At this point, 7 epicoele D5 area's air pressure of piston is broken lower than the area cavity of resorption air pressure B1 and the area B3, pressure balance.Return spring
2 promotion valve members 3 are moved up with piston 7, and valve member 3 is contacted again valve seat 5, valve member 3 and control piston 7
The channel area P1 is opened.At this point, brake chamber air pressure through the area P22 opening's edge B1, the area P1, the area C1 through noise elimination seat 11, silencing net 12 and
P32 mouthfuls of discharges, electric control driving braking are released from, this is decompression phase.Brake chamber air pressure is discharged into through noise elimination seat 11, silencing net 12
The air pressure of atmosphere reduces exhaust noise within the acceptable range, meet the requirement of environmental protection by filtering.
When center ECU by monitoring foot brake valves displacement sensor, detect foot brake valves rate of release it is very fast when, in
Centre ECU can control standby piezoelectricity pivot set 17 and power off, and exhaust 16 collective effect of armature set, quickly by 7 area epicoele D5 gas of piston
Pressure is empty, so that brake chamber pressure be made to discharge rapidly, reaches releasing braking purpose.
Left side electromagnetic valve component and corresponding air inlet P11, delivery outlet P21, control mode are identical as right side.
After automatically controlled control brake fade, vehicle braking requirement is equally may be implemented in conventional mechanical braking.The brake module
It is a kind of compact-sized, integrated level height, the big brake module of functional strength.
Service brake (Mechanical course): when the vehicle in traveling needs to brake, driver steps on foot valve, foot valve delivery outlet
Air pressure, through the area D1, the area M1, the area E3, the area E4, the area E5, the area D3, the area D4, the area D5, occurs the displacement of piston 7 through foot valve control mouth P4
Variation.7 lower end of piston overcomes the pressure of return spring 2, opens valve member 3, and the air pressure of the area A1 is made to flow to P22 mouthfuls through the area B1.It returns
Position spring 2 reacts on piston 7, makes the upper and lower chamber air pressure of piston 7 keep balancing rapidly, keeps the air pressure of the area D5 identical as the air pressure of the area B1.
The air pressure of the area B1 reaches pressure sensor 22 after inner passage reaches the area B4, and P22 mouthfuls convey brake pressure to trailer braking protection valve gas chamber,
Electric control driving braking is completed, this is pressurization stages.The air inlet P11 in left side, delivery outlet P21 control mode are identical as right side,
The air pressure path of control mouth P4 is P4 through the area D2, and the air pressure path and right side of subsequent braking process are symmetrically the same.
When needing to release braking, driver unclamps foot valve, and 7 epicoele air pressure path of piston is the area D5, the area D4, the area D3, E5
Area, the area E4, the area E3, the area M1, the air pressure of the area D1 are discharged through foot valve exhaust outlet.Return spring 2 pushes valve member 3 and piston 7 upward
Mobile, valve member 3 is contacted again valve seat 5, and valve member 3 and the channel area P1 of piston 7 are opened.At this point, brake chamber
Air pressure is released from through the area P22 opening's edge B1, the area P1, the area C1 through noise elimination seat 11, silencing net 12 and P32 mouthfuls of discharges, service brake, this is
Decompression phase.The air pressure that brake chamber air pressure is discharged into atmosphere through noise elimination seat 11, silencing net 12 reduces exhaust noise by filtering
Within the acceptable range, meet the requirement of environmental protection.The air inlet P11 in left side, delivery outlet P21 control mode are identical as right side.
Embodiment 9
A kind of automobile, the integrated form EBS rear axle brake apparatus including above-described embodiment 1-8 any one embodiment.
Although the utility model, those skilled in the art have shown and described referring particularly to its preferred embodiment
It is appreciated that the various changes that can be made in form and details are practical new without departing from sheet described in the appended claims
The range of type.It is described in detail above in conjunction with specific embodiment of the utility model, but is not the limit to the utility model
System.It is all according to the technical essence of the utility model any simple modification made to the above embodiment, still fall within practical
The range of new technique scheme.
Claims (24)
1. a kind of integrated form EBS rear axle brake apparatus, including valve component, cover assembly, electromagnetic valve component and controller lid
(20) component, it is characterised in that: set gradually air inlet armature set (15), exhaust armature collection inside electromagnetic valve component from top to bottom
It closes (16) and standby piezoelectricity pivot set (17), three armature set is integrated into an electromagnetic valve component.
2. integrated form EBS rear axle brake apparatus according to claim 1, it is characterised in that: electromagnetic valve component setting left and right
Two groups.
3. integrated form EBS rear axle brake apparatus according to claim 2, it is characterised in that: valve component is located at rear axle system
In the middle part of dynamic assembly of devices, including valve body (9), retaining ring (4), valve seat (5), valve member (3), return spring (2), spring base
(1)。
4. integrated form EBS rear axle brake apparatus according to claim 3, it is characterised in that: valve seat (5) uses retaining ring (4)
It is fixed on valve body (9), valve member (3) is set below valve seat (5), are arranged back between valve member (3) and spring base (1)
Position spring (2).
5. integrated form EBS rear axle brake apparatus according to claim 4, it is characterised in that: cover assembly is located on valve body
Portion, including upper cover (6), piston (7).
6. integrated form EBS rear axle brake apparatus according to claim 5, it is characterised in that: upper cover (6) and valve body (9) it
Between fixed with the second mounting screw (19).
7. integrated form EBS rear axle brake apparatus according to claim 5, it is characterised in that: a balance is arranged on piston (7)
Hole (D6), capable of making piston (7), two chamber air pressures are complementary to one another up and down, and carry out air pressure Fast-Balance to piston (7), reach output
The purpose of mouth stable gas pressure output.
8. integrated form EBS rear axle brake apparatus according to claim 5, it is characterised in that: partition is arranged below piston (7)
Exhaust passage (B2) is arranged on baffle assembly (8) in component (8), to the air pressure balance in piston (7) area Liang Geqi up and down, makes piston
(7) stable equilibrium.
9. integrated form EBS rear axle brake apparatus according to claim 8, it is characterised in that: baffle assembly (8) and piston
(7) a Y shape coil structures (081) are arranged in contact position, and Y shape coil structures (081) play sealing to baffle assembly (8) lower chamber air pressure and make
With, while can ensure the kinetic stability of piston (7).
10. integrated form EBS rear axle brake apparatus according to claim 1, it is characterised in that: electromagnetic valve component is located at rear axle
In the middle part of brake apparatus assembly, including standby piezoelectricity pivot set (17), exhaust armature set (16), air inlet armature set (15), standby pressure
Armature set (17) right end is arranged standby pressing spring (23), exhaust armature set (16) left end setting exhaust spring (24) and exhaust valve
Air inlet spring (25) and air intake valve (27), electromagnetic valve component right end and pressure is arranged in door (26), air inlet armature set (15) left end
Plate (14) connection.
11. integrated form EBS rear axle brake apparatus according to claim 10, it is characterised in that: set on the right side of electromagnetic valve component
Set pressure sensor (22).
12. integrated form EBS rear axle brake apparatus according to claim 10, it is characterised in that: electromagnetic valve component and valve body
(9) fixed by the 4th mounting screw (13) between.
13. integrated form EBS rear axle brake apparatus according to claim 1, it is characterised in that: controller lid (20) component is set
It sets outside electromagnetic valve component, including controller lid (20) and magnetic head (21).
14. integrated form EBS rear axle brake apparatus according to claim 13, it is characterised in that: valve body (9) and controller lid
(20) fixed by the first mounting screw (18) between.
15. integrated form EBS rear axle brake apparatus according to claim 13, it is characterised in that: electromagnetic valve component and magnetic head
(21) harness that the electric signal between passes through in solenoid valve sheath (28) is transmitted to wiring board (30).
16. integrated form EBS rear axle brake apparatus according to claim 15, it is characterised in that: solenoid valve sheath (28) with
Activity cooperation between wiring board (30) keeps electromagnetic valve component easy to disassemble and maintenance.
17. integrated form EBS rear axle brake apparatus according to claim 16, it is characterised in that: wiring board (30) and control
It is connected between device lid (20) using third mounting screw (29).
18. integrated form EBS rear axle brake apparatus according to claim 15, it is characterised in that: setting among magnetic head (21)
One head slot (K2), head slot periphery (T) and magnetic head and route plate mating portion (K1), using pressure at assist side (30) aperture
Close-fitting processed, easy to disassemble and maintenance.
19. integrated form EBS rear axle brake apparatus according to claim 3, it is characterised in that: valve body (9) lower exhaust portion
Set up separately and sets noise elimination seat (11), eliminates the noise and cover (10) and silencing net (12)；It is designed on noise elimination seat (11) using porous structure, is first
Exhaust gas filter；Silencing net (12) is second exhaust gas filter, and material is the environmentally friendly porous structure being layering.
20. integrated form EBS rear axle brake apparatus according to claim 19, it is characterised in that: eliminate the noise lid (10) and valve body
(9) it is connected by a snap.
21. integrated form EBS rear axle brake apparatus according to claim 3, it is characterised in that: right at left and right sides of valve body (9)
Claim setting two groups of air inlets, delivery outlet, exhaust outlets, i.e. first air inlet (P11), two the first delivery outlets is arranged in left side
(P21), second air inlet (P12), two the second delivery outlets (P22), one is arranged in a first row port (P31), right side
A control mouth (P4) is arranged in a second exhaust port (P32), valve body (9) lower part, and the control mouth (P4) shares for two sides port.
22. integrated form EBS rear axle brake apparatus according to claim 21, it is characterised in that: the first air inlet (P11) with
Second air inlet (P12) is not connected, independently of each other, ensure that progress rate to the greatest extent, improves gas supply flow, guarantees
The response speed of system.
23. integrated form EBS rear axle brake apparatus according to claim 21, it is characterised in that: the first air inlet (P11) with
Second air inlet (P12) connects gas receiver respectively, and the first delivery outlet (P21) and the second delivery outlet (P22) connect brake chamber, foot respectively
Valve control mouth (P4) connects foot brake valves delivery outlet.
24. a kind of automobile, including integrated form EBS rear axle brake apparatus, it is characterised in that: including any in claim 1~23
Integrated form EBS rear axle brake apparatus described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347817.XU CN208897047U (en) | 2018-03-14 | 2018-03-14 | A kind of integrated form EBS rear axle brake apparatus and the automobile for installing the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347817.XU CN208897047U (en) | 2018-03-14 | 2018-03-14 | A kind of integrated form EBS rear axle brake apparatus and the automobile for installing the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208897047U true CN208897047U (en) | 2019-05-24 |
Family
ID=66565449
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820347817.XU Active CN208897047U (en) | 2018-03-14 | 2018-03-14 | A kind of integrated form EBS rear axle brake apparatus and the automobile for installing the device |
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| CN (1) | CN208897047U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327697A (en) * | 2018-03-14 | 2018-07-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of integrated form EBS rear axle brake apparatus |
| CN111572520A (en) * | 2020-06-11 | 2020-08-25 | 西安正昌电子股份有限公司 | Single-channel air pressure adjusting device of electric control braking system |
| CN112248991A (en) * | 2020-06-11 | 2021-01-22 | 西安正昌电子股份有限公司 | Double-channel air pressure adjusting device of electric control braking system |
| CN113071465A (en) * | 2021-04-06 | 2021-07-06 | 广州瑞立科密汽车电子股份有限公司 | Vehicle brake actuating mechanism and brake system |
-
2018
- 2018-03-14 CN CN201820347817.XU patent/CN208897047U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327697A (en) * | 2018-03-14 | 2018-07-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of integrated form EBS rear axle brake apparatus |
| CN111572520A (en) * | 2020-06-11 | 2020-08-25 | 西安正昌电子股份有限公司 | Single-channel air pressure adjusting device of electric control braking system |
| CN112248991A (en) * | 2020-06-11 | 2021-01-22 | 西安正昌电子股份有限公司 | Double-channel air pressure adjusting device of electric control braking system |
| CN113071465A (en) * | 2021-04-06 | 2021-07-06 | 广州瑞立科密汽车电子股份有限公司 | Vehicle brake actuating mechanism and brake system |
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