CN204586859U - A kind of electric booster braking device for vehicle - Google Patents
A kind of electric booster braking device for vehicle Download PDFInfo
- Publication number
- CN204586859U CN204586859U CN201520067073.2U CN201520067073U CN204586859U CN 204586859 U CN204586859 U CN 204586859U CN 201520067073 U CN201520067073 U CN 201520067073U CN 204586859 U CN204586859 U CN 204586859U
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- pedal
- torque sensor
- gear
- worm screw
- electric
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Abstract
The utility model discloses a kind of electric booster braking device for vehicle, comprising: for input brake power pedal, for detect moment size on pedal torque sensor, for receive torque signals and export control signal controller, for reception control signal and the electric assembly of output kinetic energy, for receive kinetic energy and output oil pressure braking brake pump.Pedal one end is articulated and connected in vehicle, and torque sensor is located at the input end of electric assembly, and torque sensor and electric assembly are electrically connected with controller respectively, and electric assembly mouth is connected with the link transmission of brake pump.The utility model replaces the vacuum boost system of conventional fuel oil car by torque sensor, controller and electric assembly, directly can change into mechanical energy, and reduce engine load, thus reduce oil consumption.To elec. vehicle, without the need to installing vacuum pump, there is no the misgivings of vacuum pump leakage of oil, energy-conserving and environment-protective.
Description
Technical field
The utility model relates to the brake system of vehicle, especially relates to a kind of electric booster braking device for vehicle.
Background technology
Motor vehicle braking system is one of critical system of vehicle, in order to the convenient and traveling comfort manipulated, almost in the brake system of all vehicles, has all installed work-saving device.
In existing vehicle, generally use vacuum booster unit: rely on driven by engine air extracting pump, air extracting pump is bled to vacuum servo drum both sides simultaneously, when brake pedal is stepped on, vacuum servo drum is while venting, under the effect of bar pressure, the barrier film in vacuum servo drum drives brake connecting rod to travel forward, and last connecting rod promotes brake pump work.
In electronlmobil, do not have driving engine, in order to use vacuum boosting braking system, conventional method installs an electric vacuum pump additional to replace the driving engine of fuel vehicle.Such way not only cost increases, and reliability is not high yet, simultaneously the easy leakage of oil of vacuum pump, unfavorable environmental protection.
Therefore, how to design that a kind of reliability is high, cost is low and the electric booster braking device for vehicle of the energy-conserving and environment-protective technical matters that to be industries urgently to be resolved hurrily.
Utility model content
The utility model provides that a kind of reliability is high, cost is low and the electric booster braking device for vehicle of energy-conserving and environment-protective for the problems referred to above.
The technical scheme that the utility model proposes is, design a kind of electric booster braking device for vehicle, comprising: for input brake power pedal, for detect moment size on pedal torque sensor, for receive torque signals and export control signal controller, for reception control signal and the electric assembly of output kinetic energy, for receiving kinetic energy and the brake pump of output oil pressure braking, being located at the fuel tank at brake pump top.
Pedal one end is rotatably fixed in vehicle, and torque sensor is located at the input end of electric assembly, and torque sensor and electric assembly are electrically connected with controller respectively, and electric assembly mouth is connected with the link transmission of brake pump.
Electric assembly comprises: servomotor, the speed reduction gearing be connected with servo motor output shaft, the gear be connected with speed reduction gearing output shaft, with the tooth bar of gears meshing.Servomotor is electrically connected with controller, and tooth bar one end is fixedly connected with the connecting rod of brake pump.
Pedal top is articulated with one and is positioned on the adapter plate of car, is provided with a forked element be connected with torque sensor in the middle part of pedal, forked element one end is stretched in torque sensor, the other end by bearing pin and pedal hinged.
In one embodiment, speed reduction gearing adopts turbine, worm structure, and worm screw is connected with the output shaft of servomotor, and turbine and gear are coaxially fixed.Turbine, worm screw are arranged in snail still, and gear, tooth bar are arranged in gear hub, and snail still is communicated with gear hub, and turbine and gear are coaxially connected to the connectivity part of snail still and gear hub, and tooth bar one end is stretched out gear hub and is fixedly connected with the connecting rod of brake pump.
Turbine two ends, worm screw two ends are respectively equipped with the bearing coordinated with snail still inner chamber, worm screw are also provided with the worm screw glue back-up ring laid respectively at inside bearings at both ends, and the coupling end of worm screw and servomotor is provided with crosshead, cross pad and jump ring successively.Tooth bar two ends are provided with the oil sealing coordinated with gear hub.
Gear hub side is provided with outwardly directed construction opening, construction opening place is provided with and holds down assembly, and holds down assembly and comprises: be located at the first briquetting that the nut of opening outer ring and nut fix, the second briquetting be located in opening, be connected to the 3rd briquetting between the second briquetting and tooth bar, be connected to holddown spring between the first briquetting and the second briquetting.
Compared with prior art, the utility model replaces the vacuum boost system of conventional fuel oil car by torque sensor, controller and electric assembly, directly can change into mechanical energy, and reduce engine load, thus reduce oil consumption.To elec. vehicle, without the need to installing vacuum pump, there is no the misgivings of vacuum pump leakage of oil, energy-conserving and environment-protective.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail, wherein:
Fig. 1 is block diagram of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is the connecting bridge exploded view of pedal and torque sensor;
Fig. 4 is the connecting bridge exploded view of servomotor, worm screw and turbine;
Fig. 5 is the connecting bridge exploded view of gear, tooth bar and brake pump;
Fig. 6 is gear hub and the connecting bridge exploded view held down assembly.
Detailed description of the invention
As shown in Figure 1, 2, the electric booster braking device that the utility model proposes, comprising: for input brake power pedal 1, for detect moment size on pedal 1 torque sensor 6, for receive torque signals and export control signal controller, for reception control signal and export lock torque electric assembly, for receiving lock torque and the brake pump 22 of output oil pressure braking, being located at the fuel tank 21 at brake pump 22 top.
Pedal 1 one end is articulated and connected in vehicle, torque sensor 6 is located at the input end of electric assembly, and controller calculates the electric energy required for electric assembly according to torque signals, and controller can adoption rate integral differential (PID) mode calculate, wherein, P is ratio, I is integration, D is differential.Electric assembly mouth is connected with the link transmission of brake pump 22, and electric signal is input to electric assembly by controller, and electric assembly mouth exports lock torque, and drive the link work of brake pump 22, brake pump 22 output oil pressure is to wheel braking pump.By torque sensor 6, controller and electric assembly, electric energy is converted into mechanical energy, reduces oil consumption, facilitate environmental protection.
As shown in Figure 3, pedal 1 top is articulated with one and is positioned on the adapter plate 5 of car, a forked element 4 be connected with torque sensor 6 is provided with in the middle part of pedal 1, forked element 4 one end is stretched in torque sensor 6, the other end is hinged by bearing pin 3 and pedal 1, and bearing pin 3 is also provided with the junction of forked element 4 and locates jump ring 2.
Stepping on pedal 1 tail end input brake power, moves under the action of the braking force backward in pedal 1 lower end, and drive forked element 4 inwardly clamping torque sensor 6, torque sensor 6 detects the pressure of forked element 4 and transmits torque signals to controller.
As shown in Figure 2, electric assembly comprises: servomotor 20, the speed reduction gearing be connected with servo motor output shaft, the gear 10 be connected with speed reduction gearing output shaft, the tooth bar 7 that engages with gear 10.Servomotor 20 is electrically connected with controller, and tooth bar 7 one end is fixedly connected with the connecting rod of brake pump 22.After controller receives torque signals, the lock torque that the drive current calculating output servomotor 20 exports to control electric assembly.In the present embodiment, speed reduction gearing adopts turbine, worm structure, and worm screw 15 is connected with the output shaft of servomotor 20, and turbine 11 and gear 10 are coaxially fixed.
The motion process of electric assembly is as follows: servomotor 20 receives the current signal entry into service of controller input, servo motor output shaft drives worm screw 15 to rotate, drive turbine 11 by worm screw 15 and rotate with the gear 10 that turbine is fixed, by tooth bar 7, the rotation of gear 10 is converted into straight reciprocating motion again, the connecting rod of brake pump 22 promotes brake pump 22 output oil pressure under the effect of tooth bar 7.
In the present embodiment, as shown in Figure 4,5, torque sensor 6 is located at pedal 1 back side and the torque signals detected is input to controller, and torque sensor 6 rear is longitudinally provided with electric assembly and brake pump 22 successively.Turbine 11, worm screw 15 are arranged in snail still 12, and gear 10, tooth bar 7 are arranged in gear hub 12, and snail still 12 is located at gear hub 9 top and is interconnected, and turbine 11 and gear 10 are coaxially connected to the connectivity part of snail still 12 and gear hub 9.Worm screw 15 is laterally located in snail still 12, and worm screw 15 one end is connected with servo motor output shaft, and tooth bar 7 is longitudinally located in gear hub 9, and tooth bar 7 one end is stretched out gear hub 9 and is fixedly connected with the brake pump connecting rod at rear.Electric assembly compact conformation, stable transmission, and the installing/dismounting facilitating each parts.
Turbine 11 two ends are provided with the clutch shaft bearing 23 coordinated with snail still 12 inner chamber, and worm screw 15 two ends overlap that to have the second bearing 13 and the 3rd bearing 16, second bearing 13 and the 3rd bearing 16 can ensure that worm screw 15 is rotated smooth respectively, reduce the wearing and tearing of worm screw 15 and snail still 12.Worm screw 15 is also provided with the worm screw glue back-up ring 14 laid respectively at inside the second bearing 13 and the 3rd bearing 16, worm screw glue back-up ring 14 is to the second bearing 13 and the 3rd bearing 16 position-limiting actions, prevents bearing from moving axially.Worm screw 15 is provided with crosshead 17, cross pad 18 and jump ring 19 successively with the coupling end of servomotor 20, ensures that worm screw 15 is connected with servomotor 20 stable.Tooth bar 7 two ends are provided with the oil sealing 8 coordinated with gear hub 9, prevent the oil seepage in gear hub 9.
More excellent, as shown in Figure 6, gear hub 9 side is provided with outwardly directed construction opening, construction opening place is provided with and holds down assembly, and holds down assembly and comprises: be located at the nut 28 of opening outer ring and fixing the first briquetting 27 of nut 28, the second briquetting 25 be located in opening, be connected to the 3rd briquetting 24 between the second briquetting 25 and tooth bar 7, be connected to holddown spring 26 between the first briquetting 27 and the second briquetting 25.Engagement between the adjustable that holds down assembly tooth bar 7 and gear 10, is convenient to the driving error reducing electric assembly.
Adjustment process is as follows: the nut 28 inwardly rotating opening outer ring, holddown spring 26 is compressed between the first briquetting 27 and the second briquetting 25,3rd briquetting 24 increases the pressure to tooth bar 7 under the tension force of holddown spring 26, make tooth bar 7 and gear 10 engage more go deep into fastening; In like manner, outside rotating nut 28, reduce the pressure of the 3rd briquetting 24 pairs of tooth bars 7, tooth bar 7 loosens with engaging of gear 10.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1., for an electric booster braking device for vehicle, it is characterized in that comprising: for input brake power pedal (1), for detect the upper moment size of pedal (1) torque sensor (6), for receive torque signals and export control signal controller, for reception control signal and export lock torque electric assembly, for receiving lock torque and the brake pump (22) of output oil pressure braking, being located at the fuel tank (21) at brake pump (22) top;
Described pedal (1) one end is hingedly coupled in vehicle, and torque sensor (6) is located at the input end of electric assembly, and torque sensor (6) and electric assembly are electrically connected with controller respectively, and electric assembly mouth is connected with the link transmission of brake pump (22).
2. electric booster braking device as claimed in claim 1, it is characterized in that, described electric assembly comprises: servomotor (20), the speed reduction gearing be connected with servomotor (20) output shaft, the gear (10) be connected with speed reduction gearing output shaft, the tooth bar (7) engaged with described gear (10); Described servomotor (20) is electrically connected with controller, and described tooth bar (7) one end is fixedly connected with the connecting rod of described brake pump (22).
3. electric booster braking device as claimed in claim 1, it is characterized in that, described pedal (1) top is articulated with one and is positioned on the adapter plate (5) of car, pedal (1) middle part is provided with a forked element (4) be connected with torque sensor (6), and described forked element (4) one end is stretched in torque sensor (6), the other end is hinged by bearing pin (3) and pedal (1).
4. electric booster braking device as claimed in claim 2, it is characterized in that, described speed reduction gearing is turbine (11), worm screw (15) structure, and worm screw (15) is connected with the output shaft of servomotor (20), and turbine (11) and gear (10) are coaxially fixed.
5. electric booster braking device as claimed in claim 4, it is characterized in that, described turbine (11), worm screw (15) are arranged in snail still (12), and described gear (10), tooth bar (7) are arranged in gear hub (9);
Snail still (12) is communicated with gear hub (9), and described turbine (11) and gear (10) are coaxially connected to the connectivity part of snail still (12) and gear hub (9), and described tooth bar (7) one end is stretched out gear hub (9) and is fixedly connected with the connecting rod of brake pump (22);
Turbine (11) two ends, worm screw (15) two ends are respectively equipped with the bearing (23) coordinated with snail still (12) inner chamber, described worm screw (15) is also provided with the worm screw glue back-up ring (14) laid respectively at inside bearings at both ends, described worm screw (15) is provided with crosshead (17), cross pad (18) and jump ring (19) successively with the coupling end of servomotor (20);
Described tooth bar (7) two ends are provided with the oil sealing (8) coordinated with gear hub (9).
6. electric booster braking device as claimed in claim 5, it is characterized in that, described gear hub (9) side is provided with outwardly directed construction opening, described construction opening place is provided with and holds down assembly, described in hold down assembly and comprise: be located at the nut (28) of opening outer ring, and fixing the first briquetting (27) of nut (28), the second briquetting (25) be located in opening, be connected to the 3rd briquetting (24) between the second briquetting (25) and tooth bar (7), be connected to holddown spring (26) between the first briquetting (27) and the second briquetting (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067073.2U CN204586859U (en) | 2015-01-30 | 2015-01-30 | A kind of electric booster braking device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067073.2U CN204586859U (en) | 2015-01-30 | 2015-01-30 | A kind of electric booster braking device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586859U true CN204586859U (en) | 2015-08-26 |
Family
ID=53923043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520067073.2U Withdrawn - After Issue CN204586859U (en) | 2015-01-30 | 2015-01-30 | A kind of electric booster braking device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554223A (en) * | 2015-01-30 | 2015-04-29 | 深圳市云图电装***有限公司 | Vehicular electricity-assisted brake device |
| CN111094091A (en) * | 2017-09-27 | 2020-05-01 | 日立汽车***株式会社 | Electric booster |
-
2015
- 2015-01-30 CN CN201520067073.2U patent/CN204586859U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554223A (en) * | 2015-01-30 | 2015-04-29 | 深圳市云图电装***有限公司 | Vehicular electricity-assisted brake device |
| WO2016119628A1 (en) * | 2015-01-30 | 2016-08-04 | 深圳市云图电装***有限公司 | Electric booster brake device for vehicle |
| CN111094091A (en) * | 2017-09-27 | 2020-05-01 | 日立汽车***株式会社 | Electric booster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20180821 |
|
| AV01 | Patent right actively abandoned |