CN106427966A - Electronic control brake booster used in vehicle braking system - Google Patents
Electronic control brake booster used in vehicle braking system Download PDFInfo
- Publication number
- CN106427966A CN106427966A CN201611037510.1A CN201611037510A CN106427966A CN 106427966 A CN106427966 A CN 106427966A CN 201611037510 A CN201611037510 A CN 201611037510A CN 106427966 A CN106427966 A CN 106427966A
- Authority
- CN
- China
- Prior art keywords
- cylindrical portion
- push rod
- power
- assisted
- supporting part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses an electronic control brake booster used in a vehicle braking system. The electronic control brake booster comprises a push rod, a boosting force output assembly, a motor and a brake master pump, and is characterized in that the boosting force output assembly comprises a boosting force push piece, the boosting force push piece comprises a first cylinder part and a second cylinder part which are concentrically arranged, the push rod is inserted in the center of the first cylinder part, the second cylinder part is arranged outside the first cylinder part, the bottom end of the first cylinder part and the bottom end of the second cylinder part are connected with each other, the push rod extends in the radial direction to be provided with a supporting part, the first cylinder part and the second cylinder part are each provided with a notch matched with the supporting part in the radial direction, the supporting part axially moves in the notches, and a push rod return spring is arranged between the connected bottom ends of the first cylinder part and the second cylinder part and the supporting part. The push rod return spring is arranged between the boosting force push piece and the push rod, so the push rod return spring can drive the push rod to return, the structure is more compact, and space is saved.
Description
Technical field
The present invention relates to field of automobile brake, help for the electronic air brake in motor vehicle braking system particularly to a kind of
Power device.
Background technology
Because of the limited strength of people, the operation of vehicle generally requires power assisting device, and for example, vehicle is by compressed air, high pressure
The relevant apparatus of the booster operating and controlling vehicle such as oil, to reach using light purpose.The development of Hyundai Motor brake originates from
Original machine control unit, the control for brake of most original is that one group of simple mechanical device of pilot control is applied to brake
Plus active force, vehicle weight is smaller at that time, and speed ratio is relatively low, and mechanical braking has been able to meet the needs of automobile brake, but
With the increase of automobile own wt, power assisting device is more and more important for brake, and installs in limited space
Brake booster it is necessary to control brake booster volume, but, brake booster of the prior art, especially defeated in power-assisted
The design structure going out components is complicated, and transmission efficiency is low.
Content of the invention
It is an object of the invention to provide the brake booster of a kind of compact conformation, transmission efficiency.
In order to solve above-mentioned technical problem, present invention offer is a kind of to be helped for the electronic air brake in motor vehicle braking system
Power device, the push rod moving axially forward including being braked pedal-driven, for export brake boost power-assisted output precision,
Drive power-assisted output precision motor and output brake force master cylinder it is characterised in that：Described power-assisted output precision includes
Power-assisted push piece, described power-assisted push piece includes the first cylindrical portion being arranged concentrically and the second cylindrical portion, described push rod insertion first circle
Cylinder portion is centrally disposed, described second cylindrical portion outside the first cylindrical portion, the bottom of described first cylindrical portion and the second cylindrical portion
End is connected with each other, and described push rod radially extends and is provided with supporting part, described first cylindrical portion and the second cylindrical portion radial direction be equipped with
The breach that supporting part matches, described supporting part is movably arranged in breach, and described supporting part carries out axially-movable in breach,
It is provided with push rod return spring between the connection bottom of described first cylindrical portion and the second cylindrical portion and supporting part.
Described first cylindrical portion and connection bottom are metal material, and described second cylindrical portion is made using plastic material.
Described power-assisted push piece Basolateral is provided with compression reaction tray, and described compression reaction tray is made using rubber.
First cylindrical portion center of described power-assisted push piece is provided with cavity, is provided with the piston of activity, described work in described cavity
Plug and cavity clearance cooperation, described piston is connected with push rod, and during braking, described piston is contacted with compression reaction tray.
The invention has the beneficial effects as follows：Push rod return spring is arranged between power-assisted push piece and push rod so that push rod return
Spring can drive push rod to reset, and structure is compacter, saves space；Described first cylindrical portion and connection bottom are metal material
Material, described second cylindrical portion is made using plastic material so that forced section adopts metal material harder firmly, and do not stress portion
Using plastic material, mitigate its weight；It is provided with the compression reaction tray that rubber is made in power-assisted push piece bottom, reaction disk center is subject to
The thrust of push rod, outside is subject to power-assisted although thrust and power-assisted push piece form difference, but compression reaction tray accepts same reaction
Pressure.
Brief description
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is power-assisted push piece structural representation of the present invention.
Specific embodiment
Referring to the drawings, a kind of for the electronic control brake booster in motor vehicle braking system, including housing 1, described shell
Push rod 2 that body 1 moves axially forward built with being braked pedal-driven, the power-assisted output precision for exporting brake boost
3rd, the motor 4 of power-assisted output precision and the master cylinder 5 of output brake force are driven, described power-assisted output precision 3 includes ball wire
Thick stick 31 and power-assisted push piece 32, described ball-screw 31 includes screw rod 311 and nut 312, and described screw rod 311 outer surface is provided with outer spiral shell
Line, described nut 312 is provided with internal thread, is provided with ball between described external screw thread and internal thread, described nut 312 and transmission component
It is in transmission connection, nut 312 is driven by transmission component and rotated, while nut 312 is counterclockwise or rotates clockwise, screw rod
311 are moved forward or rearward along screw thread, but nut 312 is fixed because being transmitted assembly, and being merely able to rotation can not be forward
Or be moved rearwards by.Described ball-screw 31 is provided with the rotation preventing device preventing ball screw rotation（In figure does not mark）, described rotation preventing device
Screw rod 311 can be waled so that screw rod 311 can only be moved forward or rearward along screw thread it is impossible to carry out rotation, prevent from certainly quoting
Play transmission failure.
Described transmission component includes equipment gear 61 and travelling gear 62, and nut 312, located at travelling gear 62 center, is driven
Nut 312 tightly waled by gear 62, and drives nut 312 to rotate by travelling gear 62.Described travelling gear 62 and nut 312 it
Between connection can be in the way of using interference fit, it would however also be possible to employ be provided with flat key between nut 312 and travelling gear 62
Mode, is provided with nut 312 and travelling gear 62 junction and places groove for flat key, make nut and driving cog by flat key
Take turns mutual clamping so that travelling gear rotates can drive nut rotation.Described travelling gear 62, equipment gear 61 and motor tooth
Wheel 41 engaged transmission successively.
Described power-assisted push piece 32 includes the first cylindrical portion 37 being arranged concentrically and the second cylindrical portion 36, described second cylindrical portion
36 outside the first cylindrical portion 37, and the bottom of described first cylindrical portion 37 and the second cylindrical portion 36 is connected with each other, this connection bottom
End 39 and the first cylindrical portion 37 integrated setting, and being made using metal material, described second cylindrical portion 36 adopt made of plastic,
Forced section is made to adopt metal material harder firmly, the portion of not stressing adopts plastic material, mitigates its weight.Described connection bottom
End 39 plays a part to couple together the first cylindrical portion 37 and the second cylindrical portion 36, described first cylindrical portion 37 and the second cylinder
37 are radially provided with breach 38.
Described push rod 2 passes through from screw rod 311 center of ball-screw 31, and its end is movably arranged in power-assisted push piece 32, institute
State push rod 2 and radially extend and be provided with supporting part 7, this supporting part 7 located at the middle and lower part of push rod 2, described supporting part 7 just with breach 38
Match, sidewards in breach 38, and can carry out axially-movable, the end of described push rod 2 in breach 38
Stretch in the first cylindrical portion 37 of power-assisted push piece 32, described first cylindrical portion 37 center is provided with cavity, described connection bottom center
Hollow out is arranged, and described cavity runs through the first cylindrical portion, and described breach 38 is connected with cavity, is provided with the work of activity in described cavity
Plug, described piston 51 is connected with the end of push rod 2 with cavity clearance cooperation, described piston 51.
Described power-assisted push piece 32 Basolateral is provided with compression reaction tray 322, and that is, compression reaction tray contacts with being connected bottom,
Described compression reaction tray 322 is made using rubber, and during braking, described piston 51 passes through from connection bottom center hollow out and compression is anti-
322 contacts should be coiled, be provided with, in power-assisted push piece 32 bottom, the compression reaction tray 322 that rubber is made, reaction tray 322 center is subject to push rod
2 thrust, outside is subject to power-assisted although thrust and power-assisted push piece form difference, but compression reaction tray accepts same reaction pressure
Power.
It is provided between the connection bottom 39 of described first cylindrical portion 37 and the second cylindrical portion 36 and the supporting part 7 of push rod 2 and push away
Bar return spring 8, when push rod 2 loses the thrust of brake pedal, push rod return spring 8 can drive push rod 2 be moved rearwards by into
Row resets.The screw rod of ball-screw 31 is withstood on described first cylindrical portion top, reason one be push rod 2 because brake pedal thrust to
When front mobile, power-assisted push piece 32 can withstand screw rod 311, prevents screw rod 311 from following push rod 2 to move forward.
Described power-assisted push piece 32 set along with reaction tray in a bowl-shape mounting seat 33, described mounting seat 33 bottom to
Lower extension is provided with intermediate push rod head 34, and described master cylinder 5 includes the brake piston 51 of activity and fixing fixed block 52, described
Intermediate push rod head 34 is contacted with brake piston 51, is provided with back-moving spring 35, power-assisted pushes away between described mounting seat 33 and fixed block 52
Part 32 moves forward and promotes mounting seat 33 to move forward compression reseting spring 35, and intermediate push rod head 34 promotes brake piston 51 forward
Movement carries out a series of braking maneuvers.
Operation principle：Brake pedal applies the thrust moving forward to push rod 2, and push rod 2 moves forward, supporting part 7 also with
Forward movement, then by the signal transmission of movement to ECU, ECU controlled motor 4 starts, motor 4 motor gear 41 rotates
Band nutating gear 62 rotates, and travelling gear 62 drives nut 312 to rotate, and screw rod 311 moves forward along screw thread, screw rod 311
Mobile then promotion power-assisted push piece 32 moves forward, and power-assisted push piece 32 promotes intermediate push rod head 34 to move forward, intermediate push rod head 34
Promote forward brake piston 51, brake piston 51 moves forward and carries out a series of decelerations, braking maneuver；Keep the process of braking
In, motor 4 stops motor gear 41 and rotates so that motor gear 41 is fixed firmly, prevents from making due to the elastic force of back-moving spring 35
Obtain screw rod 311 and fall back and lead to brake fade；When abandoning braking, push rod 2 loses the thrust of brake pedal, and back-moving spring 35 drives and helps
Push part 32, screw rod 311 resets, push rod return spring 8 drives supporting part 7 and push rod 2 to reset, and brake piston 51 is also and then multiple
Position.
Claims (4)
1. a kind of for the electronic control brake booster in motor vehicle braking system, including be braked pedal-driven and vertically to
The push rod of front movement（2）, for exporting the power-assisted output precision of brake boost（3）, drive power-assisted output precision motor（4）With
The master cylinder of output brake force（5）It is characterised in that：Described power-assisted output precision（3）Including power-assisted push piece（32）, described help
Push part（32）Including the first cylindrical portion being arranged concentrically（37）With the second cylindrical portion（36）, described push rod（2）Insertion first circle
Cylinder portion（37）Centrally disposed, described second cylindrical portion（36）Located at the first cylindrical portion（37）Outside, described first cylindrical portion（37）
With the second cylindrical portion（36）Bottom be connected with each other, described push rod（2）Radially extend and be provided with supporting part（7）, described first cylinder
Portion（37）With the second cylindrical portion（36）Radially it is equipped with the breach matching with supporting part（38）, described supporting part（7）Activity sets
In breach（38）In, and described supporting part（7）In breach（38）In carry out axially-movable, described first cylindrical portion（37）With second
Cylindrical portion（36）Connection bottom（39）And supporting part（7）Between be provided with push rod return spring（8）.
2. according to claim 1 a kind of for the electronic control brake booster in motor vehicle braking system, its feature exists
In described first cylindrical portion（37）With connection bottom（39）It is metal material, described second cylindrical portion（36）Using plastic material
Make.
3. according to claim 1 a kind of for the electronic control brake booster in motor vehicle braking system, its feature exists
In described power-assisted push piece（32）Basolateral is provided with compression reaction tray（322）, described compression reaction tray（322）Using rubber system
Become.
4. according to claim 3 a kind of for the electronic control brake booster in motor vehicle braking system, its feature exists
In：Described power-assisted push piece（32）The first cylindrical portion center be provided with cavity, be provided with described cavity activity piston（51）, described
Piston（51）With cavity clearance cooperation, described piston（51）With push rod（2）Connect, during braking, described piston with compression reaction tray
Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037510.1A CN106427966B (en) | 2016-11-23 | 2016-11-23 | Electronic control brake booster for vehicle brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611037510.1A CN106427966B (en) | 2016-11-23 | 2016-11-23 | Electronic control brake booster for vehicle brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106427966A true CN106427966A (en) | 2017-02-22 |
| CN106427966B CN106427966B (en) | 2022-11-04 |
Family
ID=58221648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611037510.1A Active CN106427966B (en) | 2016-11-23 | 2016-11-23 | Electronic control brake booster for vehicle brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106427966B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757587A (en) * | 2017-10-10 | 2018-03-06 | 浙江力邦合信智能制动***股份有限公司 | A kind of brake booster with backstop function |
| CN109204264A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109204266A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109204253A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN111002956A (en) * | 2019-12-30 | 2020-04-14 | 陕西国力信息技术有限公司 | Asynchronous resetting method of double-support brake booster |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814484A (en) * | 2005-02-02 | 2006-08-09 | 罗伯特博世有限公司 | Pneumatic booster with shifted valve seats |
| DE102006030168A1 (en) * | 2005-06-30 | 2007-01-18 | Hitachi, Ltd. | Solenoid-driven brake booster for use in automobile brake mechanisms, has compression coil spring between drive and booster pistons to provide increased spring force against drive piston as relative deflection of both pistons occur |
| WO2011147609A1 (en) * | 2010-05-26 | 2011-12-01 | Robert Bosch Gmbh | Brake system having a coaxial-ball screw servo brake |
| CN102416943A (en) * | 2011-10-20 | 2012-04-18 | 浙江师范大学 | Electric brake boosting device |
| CN202728211U (en) * | 2012-07-30 | 2013-02-13 | 温岭市奥达机械有限公司 | Vacuum booster |
| US20140331666A1 (en) * | 2011-12-05 | 2014-11-13 | Bosch Automotive Products (Suzhou) Co., Ltd. | Electric brake booster |
| CN104709096A (en) * | 2015-03-27 | 2015-06-17 | 吉林大学 | Electric energy assisted braking system with complete coupling function between fraction braking and regenerative braking |
| CN105667485A (en) * | 2016-01-11 | 2016-06-15 | 清华大学 | Power-assisted brake system for automobiles |
| JP2016124355A (en) * | 2014-12-26 | 2016-07-11 | 日立オートモティブシステムズ株式会社 | Electric booster |
| CN206202284U (en) * | 2016-11-23 | 2017-05-31 | 浙江力邦合信智能制动***股份有限公司 | A kind of electronic control brake booster in motor vehicle braking system |
-
2016
- 2016-11-23 CN CN201611037510.1A patent/CN106427966B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814484A (en) * | 2005-02-02 | 2006-08-09 | 罗伯特博世有限公司 | Pneumatic booster with shifted valve seats |
| DE102006030168A1 (en) * | 2005-06-30 | 2007-01-18 | Hitachi, Ltd. | Solenoid-driven brake booster for use in automobile brake mechanisms, has compression coil spring between drive and booster pistons to provide increased spring force against drive piston as relative deflection of both pistons occur |
| CN101817341A (en) * | 2005-06-30 | 2010-09-01 | 株式会社日立制作所 | Electric booster |
| WO2011147609A1 (en) * | 2010-05-26 | 2011-12-01 | Robert Bosch Gmbh | Brake system having a coaxial-ball screw servo brake |
| CN102416943A (en) * | 2011-10-20 | 2012-04-18 | 浙江师范大学 | Electric brake boosting device |
| US20140331666A1 (en) * | 2011-12-05 | 2014-11-13 | Bosch Automotive Products (Suzhou) Co., Ltd. | Electric brake booster |
| CN202728211U (en) * | 2012-07-30 | 2013-02-13 | 温岭市奥达机械有限公司 | Vacuum booster |
| JP2016124355A (en) * | 2014-12-26 | 2016-07-11 | 日立オートモティブシステムズ株式会社 | Electric booster |
| CN104709096A (en) * | 2015-03-27 | 2015-06-17 | 吉林大学 | Electric energy assisted braking system with complete coupling function between fraction braking and regenerative braking |
| CN105667485A (en) * | 2016-01-11 | 2016-06-15 | 清华大学 | Power-assisted brake system for automobiles |
| CN206202284U (en) * | 2016-11-23 | 2017-05-31 | 浙江力邦合信智能制动***股份有限公司 | A kind of electronic control brake booster in motor vehicle braking system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204264A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109204266A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109204253A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN107757587A (en) * | 2017-10-10 | 2018-03-06 | 浙江力邦合信智能制动***股份有限公司 | A kind of brake booster with backstop function |
| CN111002956A (en) * | 2019-12-30 | 2020-04-14 | 陕西国力信息技术有限公司 | Asynchronous resetting method of double-support brake booster |
| CN111002956B (en) * | 2019-12-30 | 2021-04-06 | 陕西国力信息技术有限公司 | Asynchronous resetting method of double-support brake booster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106427966B (en) | 2022-11-04 |
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