CN103144625A - Integrated vehicle-braking executing device adopting solenoid valve - Google Patents
Integrated vehicle-braking executing device adopting solenoid valve Download PDFInfo
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- CN103144625A CN103144625A CN201310100200XA CN201310100200A CN103144625A CN 103144625 A CN103144625 A CN 103144625A CN 201310100200X A CN201310100200X A CN 201310100200XA CN 201310100200 A CN201310100200 A CN 201310100200A CN 103144625 A CN103144625 A CN 103144625A
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- braking
- leading screw
- cylinder shell
- master cylinder
- oil
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Abstract
The invention relates to an integrated vehicle-braking executing device adopting a solenoid valve and belongs to the technical field of a vehicle braking system. According to the braking executing device, a motor shell is relatively fixed with a main cylinder shell through a bolt; a motor stator is fixedly arranged on the motor shell; a nut is arranged in a central hole of a hollow motor rotor and is relatively fixed with the motor rotor; a thread is processed on the surface of a right section of the screw rod and is used for coaxially assembling with the nut, so as to form a motion pair; a lower anti-turning slot and an upper anti-turning slot are processed in the surface of a middle section of the screw rod; a lower anti-turning pin and an upper anti-turning pin are fixedly arranged on the main cylinder shell and are respectively inserted into the lower anti-turning slot and the upper anti-turning slot in the surface of the middle section of the screw rod, so as to prevent the screw rod from turning; a left section of the screw rod is arranged in the main cylinder shell and defines a braking liquid chamber together with the main cylinder shell; a screw rod reset spring is arranged in the braking liquid chamber; and a valve port of the solenoid valve is arranged on an oil path between the braking liquid chamber and an oil can. The braking executing device provided by the invention can greatly reduce the length of a braking executing mechanism and is conveniently mounted on the vehicle.
Description
Technical field
The present invention relates to a kind of integrated vehicle braking executive device that uses electromagnetic valve, belong to the brake system of car technical field.
Background technology
The development of new-energy automobile has proposed Secretary to brake system of car.New-energy automobile requires brake system to reduce, cancel the dependence to driving engine degree of vacuum, and the composite brakig process of regenerative braking and friction braking does not affect brake pedal feel.The distributed electrical hydraulic brake system is a kind of brake system that meets the new-energy automobile requirement, and brake actuator is the device that this system controls brake fluid pressure, and each drg is equipped with one.The design plan of existing brake actuator as the application for a patent for invention 201110095263.1 that the applicant proposes, is used for the brake actuator of automobile distribution EHB; And application for a patent for invention 201110107718.7, adopt the brake actuator of center valve piston, all adopt the tandem design, motor is connected by coupler with leading screw, above-mentioned two kinds of structures all cause brake actuator longer, have increased the difficulty that brake actuator is installed on vehicle.
Summary of the invention
The objective of the invention is to propose a kind of integrated vehicle braking executive device that uses electromagnetic valve, change the structure of existing electromagnetic valve brake actuator, to overcome the deficiency of prior art, shorten the length of brake actuator, be convenient to the installation of brake actuator on vehicle.
The integrated vehicle braking executive device of the use electromagnetic valve that the present invention proposes comprises motor, nut, leading screw, lower anti-rotating pin, upper anti-rotating pin, seal ring, leading screw retracing spring, master cylinder shell, electromagnetic valve, oil can and oil can seal ring; Described motor is comprised of motor casing, motor stator and rotor, motor casing is relative fixing with described master cylinder shell by screw, motor stator is fixed on motor casing, and rotor is hollow shape, and rotor is bearing in motor casing and master cylinder shell by right bearing and left bearing; Described nut is placed in the centre hole of described hollow shape rotor, and nut is relative with rotor fixing; The right side section surface of described leading screw is processed with screw thread, is used for and the coaxial assembling of described nut, consists of kinematic pair, rotatablely moving of rotor is converted into the translation of leading screw, and the interlude surface working of leading screw has lower anti-rotation groove and upper anti-rotation groove; Described lower anti-rotating pin and upper anti-rotating pin are fixed on described master cylinder shell, and insert respectively in the lower anti-rotation groove and upper anti-rotation groove on described leading screw interlude surface, prevent that leading screw from rotating, make leading screw carry out translation under the driving of nut rotation, the left side section of leading screw is placed in described master cylinder shell, surrounds the braking sap cavity with the master cylinder shell; Described seal ring is contained on described leading screw, and the braking liquid in the braking sap cavity is sealed; Described leading screw retracing spring is placed in the braking sap cavity, the left end of leading screw retracing spring and master cylinder shell against, right-hand member and leading screw against, described electromagnetic valve is arranged on described master cylinder shell, the valve port of electromagnetic valve is placed on oil circuit between braking sap cavity and oil can, is used for controlling being communicated with and isolation of braking sap cavity and oil can; Described oil can is arranged on described master cylinder shell, seals by the oil can seal ring; Have oil outlet on described master cylinder shell, the braking liquid in the braking sap cavity enters in the vehicle brake conduit and drg that is connected with braking executive device by oil outlet 14.
the integrated vehicle braking executive device of the use electromagnetic valve that the present invention proposes, its advantage is, in braking executive device, adopt the connected sum isolation between solenoid control braking sap cavity and oil can, rotor is designed to hollow shape, nut is placed in the hole of rotor hollow, nut and rotor are connected, the rotation of rotor is become the translation of leading screw, by the change on said structure, braking executive device of the present invention is compared with the tandem design of prior art, greatly shortened the length of brake actuator, being convenient to braking executive device installs on vehicle.
Description of drawings
Fig. 1 is the structural representation of the integrated vehicle braking executive device of the use electromagnetic valve that proposes of the present invention.
In Fig. 1,1 is motor casing, and 2 is rotor, and 3 is motor stator, 4 is nut, and 5 is leading screw, and 6 is right bearing, and 7 is left bearing, 8 is lower anti-rotating pin, and 9 is upper anti-rotating pin, and 10 is seal ring, 11 is the leading screw retracing spring, and 12 is the master cylinder shell, and 13 are the braking sap cavity, 14 is oil outlet, and 15 is electromagnetic valve, and 16 is oil can, 17 is the oil can seal ring, and 18 is lower anti-rotation groove, and 19 is upper anti-rotation groove.
The specific embodiment
The integrated vehicle braking executive device of the use electromagnetic valve that the present invention proposes, its structure comprises motor, nut 4, leading screw 5, lower anti-rotating pin 8, upper anti-rotating pin 9, seal ring 10, leading screw retracing spring 11, master cylinder shell 12, electromagnetic valve 15, oil can 16 and oil can seal ring 17 as shown in Figure 1.Motor is comprised of motor casing 1, motor stator 3 and rotor 2, motor casing 1 is relative with master cylinder shell 12 fixing by screw, motor stator 3 is fixed on motor casing 1, and rotor 2 is hollow shape, and rotor 2 is bearing in motor casing 1 and master cylinder shell 12 by right bearing 6 and left bearing 7.Nut 4 is placed in the centre hole of hollow shape rotor 2, and nut 4 is relative with rotor 2 fixing.The right side section surface of leading screw 5 is processed with screw thread, is used for and the coaxial assembling of nut 4, consists of kinematic pair, rotatablely moving of rotor 2 is converted into the translation of leading screw; The interlude surface working of leading screw 5 has lower anti-rotation groove 18 and upper anti-rotation groove 19, lower anti-rotating pin 8 and upper anti-rotating pin 9 are fixed on master cylinder shell 12, and insert respectively in the lower anti-rotation groove 18 and upper anti-rotation groove 19 on leading screw 5 interlude surfaces, prevent that leading screw 5 from rotating, make leading screw 5 carry out translation under the driving that nut 4 rotates; The left side section of leading screw 5 is placed in master cylinder shell 12, surrounds braking sap cavity 13 with master cylinder shell 12, and seal ring 10 is contained on leading screw 5, and the braking liquid in braking sap cavity 13 is sealed.Leading screw retracing spring 11 is placed in braking sap cavity 13, the left end of leading screw retracing spring 11 and master cylinder shell 12 against, right-hand member and leading screw 5 realize against the thrust that resets by leading screw retracing spring 11 of, leading screw 5, perhaps realizes under the control of the thrust of described leading screw retracing spring 11 and described electric machine rotation.Electromagnetic valve 15 is arranged on master cylinder shell 12 for often opening two-position two-way solenoid valve, and the valve port of electromagnetic valve 15 is placed on oil circuit between braking sap cavity 13 and oil can 16, is used for controlling braking being communicated with and isolation of sap cavity 13 and oil can 16.Oil can 16 is arranged on master cylinder shell 12, seals by oil can seal ring 17.
In car brakeing executive device of the present invention, master cylinder shell 12 is used for installing and holds the parts such as motor, electromagnetic valve 15, oil can 16.Have oil outlet 14 on the master cylinder shell, the braking liquid in braking sap cavity 13 enters in the vehicle brake conduit and drg that is connected with braking executive device by oil outlet 14.
Below in conjunction with accompanying drawing, introduce in detail principle of work and working process that the present invention uses the integrated form brake actuator of electromagnetic valve:
When not braking, leading screw 5 is in initial position shown in Figure 1, and described electromagnetic valve 15 outages are opened, and braking sap cavity 13 is communicated with described oil can 16; During braking, described electromagnetic valve 15 energisings are closed, and make described braking sap cavity 13 and described oil can 16 isolation, can set up brake fluid pressure thereby make in braking sap cavity 13 and the brake piping that is connected with braking executive device of the present invention and drg.The kinematic pair that consists of due to described leading screw 5 and described nut 4 can be converted into rotatablely moving of described rotor 2 translation of leading screw 5, therefore pass through the size of the output torque of the described motor of control, just can realize the control to the thrust size of described leading screw 5, thereby realize the control to brake fluid pressure, in order to realize the functions such as vehicle conventional brake, anti-lock brake, stability are controlled initiatively and braked, the composite brakig with regenerative braking, initiatively collision avoidance, adaptive cruise; When finishing braking, under the effect of described leading screw retracing spring 11 thrusts, perhaps under the control of the thrust of described leading screw retracing spring 11 and described electric machine rotation, leading screw 5 returns to initial position shown in Figure 1, described electromagnetic valve 15 outages are opened, and braking sap cavity 13 is communicated with described oil can 16.
Should be noted that at last, the above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to concrete embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (1)
1. integrated form braking executive device that uses electromagnetic valve, it is characterized in that, this braking executive device comprises motor, nut, leading screw, lower anti-rotating pin, upper anti-rotating pin, seal ring, leading screw retracing spring, master cylinder shell, electromagnetic valve, oil can and oil can seal ring; Described motor is comprised of motor casing, motor stator and rotor, motor casing is relative fixing with described master cylinder shell by screw, motor stator is fixed on motor casing, and rotor is hollow shape, and rotor is bearing in motor casing and master cylinder shell by right bearing and left bearing; Described nut is placed in the centre hole of described hollow shape rotor, and nut is relative with rotor fixing; The right side section surface of described leading screw is processed with screw thread, is used for and the coaxial assembling of described nut, consists of kinematic pair, rotatablely moving of rotor is converted into the translation of leading screw, and the interlude surface working of leading screw has lower anti-rotation groove and upper anti-rotation groove; Described lower anti-rotating pin and upper anti-rotating pin are fixed on described master cylinder shell, and insert respectively in the lower anti-rotation groove and upper anti-rotation groove on described leading screw interlude surface, prevent that leading screw from rotating, make leading screw carry out translation under the driving of nut rotation, the left side section of leading screw is placed in described master cylinder shell, surrounds the braking sap cavity with the master cylinder shell; Described seal ring is contained on described leading screw, and the braking liquid in the braking sap cavity is sealed; Described leading screw retracing spring be placed in the braking sap cavity, the left end of leading screw retracing spring and master cylinder shell against, right-hand member and leading screw against; Described electromagnetic valve is arranged on described master cylinder shell, and the valve port of electromagnetic valve is placed on oil circuit between braking sap cavity and oil can, is used for controlling being communicated with and isolation of braking sap cavity and oil can; Described oil can is arranged on described master cylinder shell, seals by the oil can seal ring; Have oil outlet on the master cylinder shell, the braking liquid in the braking sap cavity is by in oil outlet enters with the car brakeing executive device is connected vehicle brake conduit and drg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100200XA CN103144625A (en) | 2013-03-26 | 2013-03-26 | Integrated vehicle-braking executing device adopting solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310100200XA CN103144625A (en) | 2013-03-26 | 2013-03-26 | Integrated vehicle-braking executing device adopting solenoid valve |
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| CN103144625A true CN103144625A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310100200XA Pending CN103144625A (en) | 2013-03-26 | 2013-03-26 | Integrated vehicle-braking executing device adopting solenoid valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109890671A (en) * | 2016-11-02 | 2019-06-14 | 罗伯特·博世有限公司 | The valve body and hydraulic assembly of braking system for motor vehicle |
| CN113472139A (en) * | 2021-07-02 | 2021-10-01 | 浙江汉特起重机械有限公司 | Self-braking motor |
| CN113675993A (en) * | 2020-05-13 | 2021-11-19 | 博泽沃尔兹堡汽车零部件欧洲两合公司 | Vehicle, electronic brake booster thereof and motor system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005104272A (en) * | 2003-09-30 | 2005-04-21 | Hitachi Ltd | Brake applying device |
| CN101318503A (en) * | 2007-06-05 | 2008-12-10 | 株式会社日立制作所 | Electric booster and method for manufacturing the same |
| CN102182775A (en) * | 2011-04-15 | 2011-09-14 | 清华大学 | Brake actuating mechanism for distributed electronic hydraulic brake system of automobile |
| CN102431539A (en) * | 2010-09-29 | 2012-05-02 | 日立汽车系统株式会社 | Booster |
| CN102602384A (en) * | 2012-03-27 | 2012-07-25 | 清华大学 | Distributed type electronic hydraulic braking system of automobile |
| CN202743225U (en) * | 2012-05-25 | 2013-02-20 | 浙江万安科技股份有限公司 | Intelligent hand brake device |
-
2013
- 2013-03-26 CN CN201310100200XA patent/CN103144625A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005104272A (en) * | 2003-09-30 | 2005-04-21 | Hitachi Ltd | Brake applying device |
| CN101318503A (en) * | 2007-06-05 | 2008-12-10 | 株式会社日立制作所 | Electric booster and method for manufacturing the same |
| CN102431539A (en) * | 2010-09-29 | 2012-05-02 | 日立汽车系统株式会社 | Booster |
| CN102182775A (en) * | 2011-04-15 | 2011-09-14 | 清华大学 | Brake actuating mechanism for distributed electronic hydraulic brake system of automobile |
| CN102602384A (en) * | 2012-03-27 | 2012-07-25 | 清华大学 | Distributed type electronic hydraulic braking system of automobile |
| CN202743225U (en) * | 2012-05-25 | 2013-02-20 | 浙江万安科技股份有限公司 | Intelligent hand brake device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109890671A (en) * | 2016-11-02 | 2019-06-14 | 罗伯特·博世有限公司 | The valve body and hydraulic assembly of braking system for motor vehicle |
| CN109890671B (en) * | 2016-11-02 | 2021-07-23 | 罗伯特·博世有限公司 | Valve body and hydraulic assembly for a brake system of a motor vehicle |
| CN113675993A (en) * | 2020-05-13 | 2021-11-19 | 博泽沃尔兹堡汽车零部件欧洲两合公司 | Vehicle, electronic brake booster thereof and motor system |
| CN113472139A (en) * | 2021-07-02 | 2021-10-01 | 浙江汉特起重机械有限公司 | Self-braking motor |
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Application publication date: 20130612 |