CN107161122B - A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism - Google Patents
A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism Download PDFInfo
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- CN107161122B CN107161122B CN201710224739.4A CN201710224739A CN107161122B CN 107161122 B CN107161122 B CN 107161122B CN 201710224739 A CN201710224739 A CN 201710224739A CN 107161122 B CN107161122 B CN 107161122B
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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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanisms, including mounting bracket, brake pedal, pedal sense simulator, pulse electromagnetic valve gear, inductive pick-up and pedal displacement sensor, pedal sense simulator includes shell, the first elastic parts, the second elastic parts, third elastic parts, brake pushrod and emergency button.The present invention is compared to the prior art, inductive pick-up for perceiving the braking intention of driver in advance, pedal displacement sensor is used to accurately identify the braking intention of driver, pulse electromagnetic valve gear adjusts the characteristic working curve of pedal sense simulator by adjusting hydraulic oil flow area and flow damping, it is compact-sized reasonable, it is easy to operate quick, brake feel is adjustable, can effectively simulating brake it feel, stability, the comfortableness and security of braking are improved, and have the function of pre-identification braking intention and emergency brake.
Description
Technical field
The invention belongs to vehicle brake apparatus technical fields, and in particular to a kind of brake feel impulse electromagnetic valve adjustable type system
Dynamic pedal gear.
Background technique
Braking system is one of important component of automobile chassis, is directly related to comprehensive vehicle performance and lives and properties
Safety.Although conventional hydraulic formula, pneumatic brake system can satisfy the requirements of existing brake legislation, there is pipes
Complexity is arranged, by vacuum booster unit, braking response speed are relatively slow, braking moment actively can not be adjusted and be difficult to and other in road
The deficiencies of system integration controls place, is not suitable for the demand for development of the integrated control of automobile especially electric automobile chassis.
Line control brake system realizes the decoupling of brake treadle mechanism and brake actuator, mainly there is electro-hydraulic brake
System (EHB) and two kinds of electromechanical braking system (EMB), eliminate straight between brake treadle mechanism and brake actuator
It connects in succession, using electric wire as information transmission media, electronic control unit identifies braking intention, control system according to relevant sensor signals
Dynamic executing agency's movement, realizes the control to each wheel braking force, fast with vacuum booster unit, dynamic response is not depended on
Speed is easily integrated the advantages that control, compensates for the deficiency on Conventional braking systems structural principle.
Since brake treadle mechanism and brake actuator realize decoupling, so that the brake pedal of line control brake system is not
Traditional vacuum booster unit is depended on again, brake pedal structure and operator brake feeling etc. can all vary widely, because
This needs to carry out brand-new design to automobile line control brake system brake treadle mechanism.Currently, in the existing automobile brake that can be inquired
It is Authorization Notice No. with the maximally related technology of the present invention is CN 101982356B in Braking system pedal gear relevant information
Patent of invention --- automobile brake pedal mechanism and its pedal sense simulator and Authorization Notice No. are that CN201989768U is practical
A kind of new patent --- brake pedal apparatus of automobile line control brake system.Foregoing invention is identified using pedal displacement sensor
The braking intention of driver improves braking and steps on using magnetorheological fluid variable damp characteristics dynamic regulation brake pedal damping force
Plate feels and automobile brake perfrmance.Foregoing invention is common using piezoelectric type pedal pressing force sensor and pedal Linear displacement transducer
Identify the braking intention of driver, pedal sense analog functuion part uses dual spring mechanism, in the braking of middle small intensity, only
Outer lateral spring works；In high-intensitive or emergency braking, medial and lateral spring simultaneously participates in work.But magnetic in foregoing invention
Piezoelectric type pedal pressing force sensor etc. in rheology liquid formula pedal sense simulator and foregoing invention, all in the presence of structure is complicated, control
The problems such as cumbersome, higher cost and difficult realization, and both do not account for braking intention pre-identification and emergency brake function.Extremely
So far, with the brake feel impulse electromagnetic valve adjustable type brake pedal machine of braking intention pre-identification and emergency brake function
Structure, which also rarely has, to be referred to.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of brake feel impulse electromagnetic valve adjustable type brake pedals
Mechanism.
In order to achieve the above object, technical scheme is as follows:
The present invention provides a kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism, comprising:
Mounting bracket, including connected the first mounting portion and the second mounting portion, the second installation position is in the first mounting portion
Lower section；
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose on the first mounting portion,
The bottom end that pedal body is set to pedal shaft is used to that pedal shaft to be driven to rotate around the tie point of itself and the first mounting portion；
Pedal sense simulator, including shell, the first elastic parts, the second elastic parts, third elastic parts, braking push away
Bar and emergency button, shell are set on the second mounting portion, and the first elastic parts, the second elastic parts and third elastic parts are close
Envelope and be movably set in shell and be filled in the space that is connected between three hydraulic oil, brake pushrod respectively with the first bullet
Property component, pedal shaft connection；
Pulse electromagnetic valve gear is connect with third elastic parts, for changing hydraulic oil flow area and flow damping
To adjust the characteristic working curve of pedal sense simulator；
Inductive pick-up is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor is set on the first mounting portion and connect with the top of pedal shaft, for accurately knowing
The braking intention of other driver.
Compared to the prior art, inductive pick-up for perceiving the braking intention of driver, pedal displacement in advance by the present invention
Sensor is used to accurately identify the braking intention of driver, and pulse electromagnetic valve gear is by adjusting hydraulic oil flow area and flowing
It damps to adjust the characteristic working curve of pedal sense simulator, compact-sized reasonable, easy to operate quick, brake feel can
It adjusts, can effectively simulating brake feel, improve stability, the comfortableness and security of braking, and there is pre-identification braking intention
With emergency brake function.
Meanwhile mounting bracket is the installation foundation of entire brake treadle mechanism, it is solid by bolt, nut and vehicle body, vehicle frame
Fixed connection, mounting bracket use L-type structure.
As a preferred option, above-mentioned shell includes front shell and aft case, and front shell includes outside cylinder knot
Structure and interior cylindrical structure, interior cylindrical structure are set in outer circle rod structure and are formed axial cylindrical cavity and axial circle ring chamber,
Wherein one side axial end face of outer circle rod structure and interior cylindrical structure is equipped with common first cover board of front end, the first front end
The shaft core position of cover board, which is equipped with, is used for the movable through-hole of brake pushrod；Aft case be equipped with rear portion axial cavity, aft case with
On the same line, the axial end face of aft case is equipped with the first rear-end plate in the axle center of front shell connection and the two, the
Mounting hole is set on one rear-end plate.
The first above-mentioned elastic parts includes the first spring-leaf retainer, the first spring, first piston and emergency push rod, the first bullet
Spring abutment circle and first piston are set in turn in axial cylindrical cavity along the axial of front shell by its front end to the back-end, the first bullet
Spring is set between the first spring-leaf retainer and first piston and in the initial state by the first spring-leaf retainer and is close proximity to the first front end
The wall body of the inside of cover board, first piston and axial cylindrical cavity is tightly connected, and it is close that emergency push rod is set to First piston bar
The side of first rear-end plate, brake pushrod are connect with the first spring-leaf retainer.
The second above-mentioned elastic parts includes second spring and annular piston, and annular piston is sealed at axial circular ring cavity
On the wall body of body, second spring is set in axial circular ring cavity body and between the first cover board of front end and annular piston, and first
The stiffness coefficient of spring is greater than the stiffness coefficient of second spring.
Above-mentioned third elastic parts includes elastic element and second piston, and second piston and the sealing of rear portion axial cavity connect
It connects, elastic element is made by elastoplastic, and elastic element is cylindrical structure, and elastic element is set in second piston, is answered
Anxious switch is set to the center in second piston and being located at elastic element.
Using the above preferred scheme, filled with hydraulic in the space between first piston, annular piston and second piston
Oil, so that the first spring and second spring have certain preload in the initial state, so that the first spring-leaf retainer is tight
Lean against the inside of the first cover board of front end.Middle small intensity braking when, mainly by second spring simulate in small intensity brake feel；
In the braking of big intensity, the brake feel of big intensity is mainly simulated by the first spring；In emergency braking, pulse electromagnetic valve gear
It drives second piston mobile to the first cover board of front end direction, reduces the flow area of hydraulic oil, to suitably increase brake pedal
Resistance actively adjusts brake feel, the needs of when meeting emergency braking.
As a preferred option, above-mentioned pulse electromagnetic valve gear includes third shell, iron core, electromagnetic coil, return bullet
Spring, adjusting push rod and pilot plunger, the axial ends of third shell are respectively equipped with the second cover board of front end and the second rear-end plate, the
Two cover board of front end are equipped with for adjusting the movable through-hole of push rod, and adjusting push rod is movably set in third shell and its both ends point
It is not connect with iron core, pilot plunger, return spring, which is sheathed on, to be adjusted on push rod and after iron core is close proximity to second by original state
The inside of end casing, pilot plunger are connect with second piston, and electromagnetic coil is set in third shell and close to the second drive end bearing bracket
Plate setting.
Using the above preferred scheme, when original state, return spring makes iron core be close proximity to the interior of the second rear-end plate
The flow area of side, hydraulic oil is in maximum rating.In emergency braking, by the duty ratio for adjusting solenoid voltage
And change the size of current for flowing through electromagnetic coil, electromagnetic coil can be made to generate attraction of different sizes to iron core, thus gram
The spring force for taking return spring drives the mobile flow area and flow damping to adjust hydraulic oil of pilot plunger by iron core.
In addition, above-mentioned inductive pick-up is infrared-sensing type sensor or ultrasonic sensor, pedal displacement sensing
Device be it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor.It is double can rheostat angular displacement sensor include induction
Device shell, induction shaft, the first sliding block, the first slide plate, the second sliding block and the second slide plate, inductor shell are set to the first installation
In portion, the first slide plate, the second slide plate are consistent for the radian of arcuate structure and the two, and the first slide plate and the second slide plate are fixedly installed on
In inductor shell, the one end for incuding the length direction of shaft is fixedly connected with the top of pedal shaft, and the first sliding block, second are slided
Block is set to the other end of the length direction of induction shaft and setting interval is provided therebetween, and the movement of the first sliding block is set to
On first slide plate, the movement of the second sliding block is set on the second slide plate.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of pedal sense simulator of the invention.
Fig. 3 is the structural schematic diagram of pulse electromagnetic valve gear of the invention.
Fig. 4 is the structural schematic diagram of pedal displacement sensor of the invention.
Fig. 5 is the circuit diagram of pedal displacement sensor of the invention.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, as shown in Figures 1 to 5, provided in one of embodiment of the invention
A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism, comprising:
Mounting bracket 4, including connected the first mounting portion and the second mounting portion, the second installation position is in the first mounting portion
Lower section；
Brake pedal 1, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose in the first mounting portion
On, the bottom end that pedal body is set to pedal shaft is used to that pedal shaft to be driven to rotate around the tie point of itself and the first mounting portion；
Pedal sense simulator 6, including shell, the first elastic parts, the second elastic parts, third elastic parts, braking
Push rod 3 and emergency button 19, shell are set on the second mounting portion, the first elastic parts, the second elastic parts and third elasticity
Component is sealed and is movably set in shell and in the space that is connected between three filled with hydraulic oil, the difference of brake pushrod 3
It is connect with the first elastic parts, pedal shaft；Emergency button 19 is mechanical contact-type switch, and emergency button is normally open；
Pulse electromagnetic valve gear 7 is connect with third elastic parts, for changing hydraulic oil flow area and flow damping
To adjust the characteristic working curve of pedal sense simulator；
Inductive pick-up 2, is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor 5 is set on the first mounting portion and connect with the top of pedal shaft, for accurately knowing
The braking intention of other driver.
Compared to the prior art, inductive pick-up 2 for perceiving the braking intention of driver, pedal in advance for present embodiment
Displacement sensor 5 is used to accurately identify the braking intention of driver, and pulse electromagnetic valve gear 7 is by adjusting hydraulic oil flow area
The characteristic working curve of pedal sense simulator is adjusted with flow damping, compact-sized reasonable, easy to operate quick, brake feel
Feel adjustable, can effectively simulating brake feel, improve stability, the comfortableness and security of braking, and there is pre-identification braking
It is intended to and emergency brake function.
Meanwhile mounting bracket is the installation foundation of entire brake treadle mechanism, it is solid by bolt, nut and vehicle body, vehicle frame
Fixed connection, mounting bracket use L-type structure.
As shown in Fig. 2, in order to further optimize implementation result of the invention, in another embodiment of the invention
In, on the basis of foregoing teachings, above-mentioned shell includes front shell 10 and aft case 15, and front shell 10 includes outer circle
Rod structure and interior cylindrical structure, interior cylindrical structure are set in outer circle rod structure and form axial cylindrical cavity and axial circular ring cavity
Wherein one side axial end face of body, outer circle rod structure and interior cylindrical structure is equipped with common first cover board of front end, and first
The shaft core position of cover board of front end, which is equipped with, is used for the movable through-hole of brake pushrod；Aft case 15 is equipped with rear portion axial cavity, rear portion
Shell 15 connect with front shell 10 and the axle center of the two on the same line, the axial end face of aft case 15 is equipped with first
Mounting hole is arranged on the first rear-end plate in rear-end plate.
The first above-mentioned elastic parts includes the first spring-leaf retainer 8, the first spring 11, first piston 13 and emergency push rod
14, the first spring-leaf retainer 8 and first piston 13 are set in turn in axial cylindrical by its front end along the axial of front shell to the back-end
In cavity, the first spring 11 is set between the first spring-leaf retainer 8 and first piston 13 and in the initial state by the first spring
Seat ring 8 is close proximity to the inside of the first cover board of front end, the wall body sealed connection of first piston 13 and axial cylindrical cavity, push rod of meeting an urgent need
14 are set to First piston bar close to the side of the first rear-end plate, the end face for push rod 14 of meeting an urgent need be it is discoid, brake pushrod 3 with
The connection of first spring-leaf retainer 8.
The second above-mentioned elastic parts includes second spring 9 and annular piston 12, and annular piston 12 is sealed at axial direction
On the wall body of circle ring chamber, second spring 9 is set in axial circular ring cavity body and is located at the first cover board of front end and annular piston 12
Between, the stiffness coefficient of the first spring 11 is greater than the stiffness coefficient of second spring 9.
Above-mentioned third elastic parts includes elastic element 20 and second piston 18, second piston 18 and rear portion axial cavity
It is tightly connected, elastic element 20 is made by elastoplastic, and elastic element 20 is cylindrical structure, and elastic element 20 is set to the
On two pistons 18, emergency button 19 is set to the center in second piston 18 and being located at elastic element 20.
Using the above preferred scheme, it is filled in the space between first piston 13, annular piston 12 and second piston 18
There is hydraulic oil, so that the first spring 11 and second spring 9 have certain preload in the initial state, so that the first bullet
Spring abutment circle 8 abuts against the inside of the first cover board of front end.
In the braking of middle small intensity, mainly by the brake feel of small intensity in the simulation of second spring 9.
In the braking of big intensity, the brake feel of big intensity is mainly simulated by the first spring 11.
Emergency braking or braking system when something goes wrong, pulse electromagnetic valve gear 7 drive second piston 18 to first before
End casing direction is mobile, reduces the flow area of hydraulic oil, to suitably increase brake pedal resistance, actively adjusts brake feel
Feel, the needs of when meeting emergency braking.Meanwhile meet an urgent need push rod 14 when being pushed to bottom emergency button 19 be closed, emergency brake is provided
Signal starts alternate brake function according to automobile practical operation situation.If emergency button is closed, and braking deceleration and braking need
Ask consistent, then without starting alternate brake function；If emergency button is closed, and braking deceleration and braking requirement deviation are larger,
Alternate brake function is then enabled, implements car emergency braking, to improve vehicle safety energy.In addition, it is also necessary in time
By malfunction indicator lamp and audible alarm, driver is reminded to pay attention to.
As shown in figure 3, in order to further optimize implementation result of the invention, in another embodiment of the invention
In, on the basis of foregoing teachings, above-mentioned pulse electromagnetic valve gear 7 include third shell 21, iron core 22, electromagnetic coil 23,
Return spring 24 adjusts push rod 16 and pilot plunger 17, the axial ends of third shell 21 be respectively equipped with the second cover board of front end and
Second rear-end plate, the second cover board of front end are equipped with for adjusting the movable through-hole of push rod, are adjusted push rod 16 and are movably set in the
In three shells and its both ends is connect with iron core 22, pilot plunger 17 respectively, and return spring 24, which is sheathed on, to be adjusted on push rod and first
Iron core 22 is close proximity to the inside of the second rear-end plate by beginning state, and pilot plunger 17 is connect with second piston 18, electromagnetic coil 23
It is set in third shell 21 and is arranged close to the second cover board of front end.
Using the above preferred scheme, when original state, return spring 24 makes iron core be close proximity to the second rear-end plate
The flow area of inside, hydraulic oil is in maximum rating.
In emergency braking, the duty ratio by adjusting 23 supply voltage of electromagnetic coil, which changes, flows through electromagnetic coil 23
Size of current can make electromagnetic coil 23 generate attraction of different sizes to iron core 22, to overcome the bullet of return spring 24
Spring force drives the mobile flow area and flow damping to adjust hydraulic oil of pilot plunger 17 by iron core 22.
When braking system when something goes wrong, brake pedal 1 can be floored, 20 compressive deformation of elastic element is larger so that
Emergency button 19 is closed, and can start alternate brake function.In addition, brake pedal feel can independently be set by driver.It is driving
Appropriate location on indoor instrument board is provided with a brake feel regulating device, including " increase " and " reduction " two substantially by
Button.When pressing " increase " button, 23 duty ratio of electromagnetic coil of pulse electromagnetic valve gear 7 increases, by adjusting push rod 16, adjusting
Plunger 17 pushes second piston to move to the left, increases brake pedal force；Conversely, when pressing " reduction " button, impulse electromagnetic valve
23 duty ratio of electromagnetic coil of device 7 reduces, and by adjusting push rod 16, pilot plunger 17 drives second piston to move to the right,
Reduce brake pedal force.Driver can independently change the working characteristics of pedal sense simulator 6 according to the personal preference of oneself
Curve.Moreover, the memory function that there are brake system control unit different drivers to adjust data, different drivers can pass through
Memory function, characteristic working curve set by One-key recovery oneself last time.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, above-mentioned inductive pick-up be infrared-sensing type sensor or ultrasonic sensor, specifically can be according to reality
The selection of border situation.
Using the above preferred scheme, in automobile brake, when driver moves to right crus of diaphragm above brake pedal, induction
Sensor 2 can perceive in advance the braking intention of driver before driver implements practical braking, implement for braking moment and
Braking force distribution offer is set aside some time, and so as to shorten the corresponding time is braked, proposes vehicle synthetical restraint performance.Inductive pick-up 2
The time difference between signal and the generation signal of pedal displacement sensor 5 is being generated in detection range by inductive pick-up 2, it can
Prejudge the urgency level of this braking.Different urgency levels, brake actuator use different control strategies, such as
When emergency braking, brake actuator should increase braking moment and increase speed with what pedal displacement changed, enable automobile fast
Speed parking, and improve brake safe performance.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, above-mentioned pedal displacement sensor 5 be it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor.
As shown in Fig. 4 to Fig. 5, it is double can rheostat angular displacement sensor include that inductor shell, induction shaft 25, first are sliding
Block 26, the first slide plate 27, the second sliding block 29 and the second slide plate 28, inductor shell are set on the first mounting portion, the first slide plate
27, the second slide plate 28 is consistent for the radian of arcuate structure and the two, and the first slide plate 27 and the second slide plate 28 are fixedly installed on induction
In device shell, one end of length direction of induction shaft 25 is fixedly connected with the top of pedal shaft, and the first sliding block 26, second is sliding
Block 29 is set to the other end of the length direction of induction shaft 25 and setting interval is provided therebetween, and the first sliding block 26 is mobile
It is set on the first slide plate 27, the movement of the second sliding block 29 is set on the second slide plate 28.
Using the above preferred scheme, two slide plates and two sliding blocks respectively in connection with, constitute two slide rheostat G101,
G102.When driver steps on brake pedal, induction shaft is rotated with pedal shaft, and the first sliding block 26, the second sliding block 29 divide
It is not slided on the first slide plate 27, the second slide plate 28, pedal displacement and change in displacement rate information is exported, for judging driver's
Braking intention.The control precision and fault-tolerant ability of braking system can be improved in two slide rheostat cooperatings.If wherein one
A failure can work on according to another signal, and warning reminding driver repairs as early as possible in time.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (8)
1. a kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism characterized by comprising
Mounting bracket, including connected the first mounting portion and the second mounting portion, the second installation position is in the lower section of the first mounting portion；
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose on the first mounting portion, pedal
The bottom end that ontology is set to pedal shaft is used to that pedal shaft to be driven to rotate around the tie point of itself and the first mounting portion；
Pedal sense simulator, including shell, the first elastic parts, the second elastic parts, third elastic parts, brake pushrod and
Emergency button, shell are set on the second mounting portion, the first elastic parts, the second elastic parts and third elastic parts sealing and
Movably be set in shell and in the space that is connected between three filled with hydraulic oil, brake pushrod respectively with the first elasticity group
Part, pedal shaft connection；
Pulse electromagnetic valve gear connect with third elastic parts, adjusts for changing hydraulic oil flow area and flow damping
Save the characteristic working curve of pedal sense simulator；
Inductive pick-up is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor is set on the first mounting portion and connect with the top of pedal shaft, drives for accurately identifying
The braking intention for the person of sailing.
2. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 1, which is characterized in that shell
Including front shell and aft case, front shell includes outer circle rod structure and interior cylindrical structure, and interior cylindrical structure is set to outer
In cylindrical structure and form axial cylindrical cavity and axial circle ring chamber, a wherein side axis for outer circle rod structure and interior cylindrical structure
Common first cover board of front end is equipped with to end face, the shaft core position of the first cover board of front end is equipped with for brake pushrod activity
Through-hole；Aft case is equipped with rear portion axial cavity, and aft case is connect with front shell and the axle center of the two is in same straight line
On, the axial end face of aft case is equipped with the first rear-end plate, and mounting hole is arranged on the first rear-end plate.
3. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 2, which is characterized in that first
Elastic parts includes the first spring-leaf retainer, the first spring, first piston and emergency push rod, the first spring-leaf retainer and first piston edge
The axial of front shell is set in turn in axial cylindrical cavity to the back-end by its front end, and the first spring is set to the first spring base
First spring-leaf retainer between circle and first piston and is close proximity to the inside of the first cover board of front end, first piston in the initial state
It is tightly connected with the wall body of axial cylindrical cavity, emergency push rod is set to first piston close to the side of the first rear-end plate, system
Dynamic push rod is connect with the first spring-leaf retainer.
4. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 3, which is characterized in that second
Elastic parts includes second spring and annular piston, and annular piston is sealed on the wall body of axial circle ring chamber, the second bullet
Spring is set in axial circular ring cavity body and between the first cover board of front end and annular piston, and the stiffness coefficient of the first spring is greater than
The stiffness coefficient of second spring.
5. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 4, which is characterized in that third
Elastic parts includes elastic element and second piston, and second piston and rear portion axial cavity are tightly connected, and elastic element is by elasticity
Plastic production forms, and elastic element is cylindrical structure, and elastic element is set in second piston, and it is living that emergency button is set to second
Beyond the Great Wall and positioned at the center of elastic element.
6. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 5, which is characterized in that pulse
Electromagnetic valve device includes third shell, iron core, electromagnetic coil, return spring, adjusts push rod and pilot plunger, the axis of third shell
It is respectively equipped with the second cover board of front end and the second rear-end plate to both ends, the second cover board of front end is equipped with movable for adjusting push rod
Through-hole, adjusting push rod is movably set in third shell and its both ends is connect with iron core, pilot plunger respectively, and return spring is arranged
In adjusting the inside that iron core is close proximity to the second rear-end plate on push rod and in original state, pilot plunger and second piston connect
It connects, electromagnetic coil is set in third shell and is arranged close to the second cover board of front end.
7. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 1, which is characterized in that induction
Sensor is infrared-sensing type sensor or ultrasonic sensor, pedal displacement sensor be it is double can rheostat angle displacement transducer
Device or Hall-type angular displacement sensor.
8. brake feel impulse electromagnetic valve adjustable type brake treadle mechanism according to claim 7, which is characterized in that it is double can
Rheostat angular displacement sensor includes that inductor shell, induction shaft, the first sliding block, the first slide plate, the second sliding block and second are sliding
Piece, inductor shell are set on the first mounting portion, and the first slide plate, the second slide plate are consistent for the radian of arcuate structure and the two,
First slide plate and the second slide plate be fixedly installed in inductor shell, incudes one end and the pedal shaft of the length direction of shaft
Top is fixedly connected, and the first sliding block, the second sliding block are set to the other end of the length direction of induction shaft and setting therebetween
There is setting to be spaced, the movement of the first sliding block is set on the first slide plate, and the movement of the second sliding block is set on the second slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224739.4A CN107161122B (en) | 2017-04-07 | 2017-04-07 | A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224739.4A CN107161122B (en) | 2017-04-07 | 2017-04-07 | A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107161122A CN107161122A (en) | 2017-09-15 |
| CN107161122B true CN107161122B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710224739.4A Active CN107161122B (en) | 2017-04-07 | 2017-04-07 | A kind of brake feel impulse electromagnetic valve adjustable type brake treadle mechanism |
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| CN (1) | CN107161122B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107914680B (en) * | 2017-10-30 | 2020-01-07 | 燕山大学 | Magnetic force auxiliary type semi-active pedal feeling simulator |
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| CN101982356A (en) * | 2010-11-14 | 2011-03-02 | 江苏技术师范学院 | Automobile brake pedal mechanism and pedal feeling simulator thereof |
| CN201989768U (en) * | 2010-11-14 | 2011-09-28 | 江苏技术师范学院 | Brake pedal device of automobile brake-by-wire system |
| CN104442754A (en) * | 2014-11-27 | 2015-03-25 | 江苏理工学院 | Variable resistance type manual control brake operating device |
| CN204567631U (en) * | 2015-03-20 | 2015-08-19 | 同济大学 | A kind of semi-active type pedal sense simulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101853771B1 (en) * | 2013-06-10 | 2018-05-02 | 주식회사 만도 | Device for regulate of flex brake pedal feeling |
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| WO2001072565A1 (en) * | 2000-03-27 | 2001-10-04 | Continental Teves Ag & Co. Ohg | Method for detecting an emergency braking situation or a suspected emergency braking situation of a vehicle |
| JP2002308084A (en) * | 2001-04-18 | 2002-10-23 | Nissan Motor Co Ltd | Stroke simulator |
| CN101982356A (en) * | 2010-11-14 | 2011-03-02 | 江苏技术师范学院 | Automobile brake pedal mechanism and pedal feeling simulator thereof |
| CN201989768U (en) * | 2010-11-14 | 2011-09-28 | 江苏技术师范学院 | Brake pedal device of automobile brake-by-wire system |
| CN104442754A (en) * | 2014-11-27 | 2015-03-25 | 江苏理工学院 | Variable resistance type manual control brake operating device |
| CN204567631U (en) * | 2015-03-20 | 2015-08-19 | 同济大学 | A kind of semi-active type pedal sense simulator |
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| CN107161122A (en) | 2017-09-15 |
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