CN203996170U - Brake pedal servo-unit - Google Patents
Brake pedal servo-unit Download PDFInfo
- Publication number
- CN203996170U CN203996170U CN201420304525.XU CN201420304525U CN203996170U CN 203996170 U CN203996170 U CN 203996170U CN 201420304525 U CN201420304525 U CN 201420304525U CN 203996170 U CN203996170 U CN 203996170U
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- China
- Prior art keywords
- magnet coil
- housing
- brake pedal
- iron core
- pedal
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of brake pedal servo-unit, its pedal is fixed on the end of push rod, and pressure sensor is arranged on pedal; In the hole at middle part, housing two ends, center bearing pilot bearing is installed, push rod is through center bearing pilot bearing, magnet coil, iron core, pull back spring, and magnet coil is fixed on the inwall of housing, and iron core is fixed on push rod and can in housing, moves or not move; Pull back spring is arranged between one end and iron core of housing, in the inside of magnet coil, can elongate or shorten.The output circuit of current controller connects magnet coil, and current controller is adjusted the size of current of output by the pressure signal of the pressure sensor transmission that receives.Adopted after brake pedal servo-unit simple in structure, that be convenient to manufacture, during braking, realized the autoamtic boosting of pedal, rapid operation; Saved again huge vacuum boost system or hydraulic booster system, reduced production and the use cost of automobile, saved the installing space of automobile simultaneously.
Description
Technical field
The utility model relates to the brake pedal servo-unit that a kind of hydraulic brake system of vehicle is used.
Background technology
The pedal that the automobile of hydraulic braking now uses does not have work-saving device, but has vacuum booster between master brake cylinder and pedal.Vacuum booster bulky, is unfavorable for installing, and needs vacuum pump to drive.
Utility model content
The object that the utility model relates to be for provide a kind of automobile that is applicable to hydraulic braking can autoamtic boosting master brake cylinder and manufacture and method.
For achieving the above object, brake pedal servo-unit described in the utility model mainly comprises pedal, push rod, pull back spring, housing, center bearing pilot bearing, magnet coil, iron core, current controller, pressure sensor;
The middle part at described housing two ends is porose, and center bearing pilot bearing is installed in hole; One end in described housing is provided with magnet coil and pull back spring, pull back spring is interior, magnet coil is fixed on the inwall of housing outside, pull back spring presses to iron core the other end of housing, and pull back spring can be in one end of housing and the inner elongated or shortening of the magnet coil between iron core;
Described push rod is through center bearing pilot bearing, iron core, magnet coil, pull back spring, and iron core is fixed on push rod and can in housing He in magnet coil, moves or not move; When magnet coil is switched on, move and compression retracteding position spring iron core one end to pull back spring under the attraction of the magnetic force of magnet coil; When magnet coil no power, it is motionless that iron core is moved back into the other end under the effect of pull back spring;
Described pedal is fixed on the end of push rod, and pressure sensor is arranged on pedal.
Further, the input circuit of described current controller connects the power supply of vehicle, and the output circuit of current controller is connected with magnet coil, and the circuit of pressure sensor is connected with the circuit of current controller.
Further again, described pressure sensor comprises spring and infrared inductor, people rides spring while applying power on pressure sensor and can shrink, and responds to the length variations of spring, thereby according to the variation of spring length, export the signal of the power size being applied on pedal with infrared ray;
The pressure signal transmission that described pressure sensor senses is to current controller, and current controller is adjusted the size of current of output by the pressure signal receiving, the electric current that the electric current of current controller output receives while being exactly magnet coil generation magnetic field.
Further again, the front end of push rod and the push rod of master brake cylinder of described brake pedal servo-unit are connected, while braking under steam after automobile is to install, ride on the pressure sensor on pedal, ride the pressure promotion pedal 7 producing and drive push rods 5 to move forward on pressure sensor, promote master brake cylinder and produce braking force.Meanwhile, the pressure signal transmission that pressure sensor senses, to current controller, makes current controller be switched to the circuit of magnet coil, and according to the size of pressure signal, controls the size of the electric current of current controller output; After magnet coil energising, produce magnetic field suction iron core, help push rod to strengthen the thrust to the push rod of master brake cylinder, thereby realized the autoamtic boosting of pedal.When needs brake off, pin leaves the pressure sensor above pedal, pressure sensor induction makes current controller cut off the mouth of current controller to the circuit of magnet coil less than pressure signal, thereby make magnet coil not attract iron core, under the effect of pull back spring, iron core drives push rod, pedal to get back to original position.
For the ease of producing power-assisted, described current controller can switch on or off the power supply of magnet coil.
In order to reach the object of power-assisted, the magnetic field that described magnet coil produces when energising can attract iron core to move.
In order to make the pedal can return, one end of described pull back spring be fixed on the one end in housing, and the other end is fixed on iron core.
In order to guarantee that pressure sensor can normal delivery pressure signal, described pressure sensor can also be suction type inductor, can also be also positive-pressure type inductor, can also be also stroke type inductor, can also be also telescopic inductor.
For push rod can normally be worked, described magnet coil is parallel with push rod with the axis of iron core or overlap, and the axis of iron core and the axis of magnet coil coincide.
In order to reduce the accessory of automobile, described pedal does not have support arm.
In order to alleviate the weight of automobile and to reduce production costs, described brake pedal servo-unit has replaced brake pedal unit and hydraulic booster or vacuum booster and the vacuum pump in hydraulic brake system.
The utility model brake pedal servo-unit simple in structure, be convenient to manufacture; Adopt after brake pedal servo-unit, during braking, realized the autoamtic boosting of pedal, rapid operation; Saved again huge vacuum boost system or hydraulic booster system, reduced productive costs and the use cost of automobile, saved the installing space of automobile simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model brake pedal servo-unit.
The specific embodiment
The utility model brake pedal servo-unit mainly comprises pedal 7, push rod 5, pull back spring 3, housing 4, center bearing pilot bearing 8, magnet coil 2, iron core 1, current controller, pressure sensor 6; The middle part at housing 4 two ends is porose, and center bearing pilot bearing 8 is installed in hole.One end in housing 4 is provided with magnet coil 2 and pull back spring 3, pull back spring 3 is interior, magnet coil 2 is fixed on the inwall of housing 4 outside, pull back spring 3 presses to iron core 1 other end of housing 4, and pull back spring 3 can be in one end of housing 4 and the inner elongated or shortening of the magnet coil 2 between iron core 1.Push rod 5 is through center bearing pilot bearing 8, iron core 1, magnet coil 2, pull back spring 3, iron core 1 be fixed on push rod 5 and can be housing 4 in the interior movement of magnet coil 2 or do not move; When magnet coil 2 energising, iron core 1 moves and compression retracteding position spring 3 to one end of pull back spring 3 under the attraction of the magnetic force of magnet coil 2; When magnet coil 2 end electricity, it is motionless that iron core 1 is moved back into the other end under the effect of pull back spring 3.Pedal 7 is fixed on the end of push rod 5, and pressure sensor 6 is arranged on pedal 7.The input circuit of current controller connects the power supply of vehicle, and the output circuit of current controller is connected with magnet coil 2, and the circuit of pressure sensor 6 is connected with the circuit of current controller.Pressure sensor 6 comprises spring and infrared inductor, people rides spring while applying power on pressure sensor 6 and can shrink, with infrared ray, respond to the length variations of spring, thereby according to the variation of spring length, export the signal of the power size being applied on pedal 7; The pressure signal transmission that pressure sensor 6 senses is to current controller, and current controller is adjusted the size of current of output by the pressure signal receiving, the electric current that the electric current of current controller output receives while being exactly magnet coil 2 generation magnetic field.
For the ease of producing power-assisted, current controller can switch on or off the power supply of magnet coil 2.
In order to reach the object of power-assisted, the magnetic field that magnet coil 2 produces when energising can attract iron core 1 to move.
In order to make the pedal can return, one end of pull back spring 3 be fixed on the one end in housing 4, and the other end is fixed on iron core 1.
In order to guarantee that pressure sensor can normal delivery pressure signal, pressure sensor 6 can also be suction type inductor, can also be also positive-pressure type inductor, can also be also stroke type inductor, can also be also telescopic inductor.
For push rod can normally be worked, the axis of magnet coil 2 and iron core 1 is parallel with push rod 5 or overlap, and the axis of the axis of iron core 1 and magnet coil 2 coincides.
In order to reduce the accessory of automobile, the pedal 7 of brake pedal servo-unit does not have support arm.
In order to alleviate the weight of automobile and to reduce production costs, brake pedal servo-unit has replaced brake pedal unit and hydraulic booster or vacuum booster and the vacuum pump in brake system.
The front end of push rod and the push rod of master brake cylinder of the utility model brake pedal servo-unit are connected, after installing on automobile, while travelling middle braking, ride on the pressure sensor 6 on pedal 7, ride the pressure promotion pedal 7 producing and drive push rods 5 to move forward on pressure sensor 6, promote master brake cylinder and produce braking force.Meanwhile, the pressure signal transmission that pressure sensor 6 senses, to current controller, makes current controller be switched to the circuit of magnet coil 2, and according to the size of pressure signal, controls the size of the electric current of current controller output; After magnet coil 2 energisings, produce magnetic field suction iron core 1, help the thrust of push rod 5 increasings to the push rod of master brake cylinder, thereby realized the autoamtic boosting of pedal 7.When needs brake off, pin leaves pedal 7 pressure sensor 6 above, pressure sensor 6 inductions make current controller cut off the mouth of current controller to the circuit of magnet coil 2 less than pressure signal, thereby make magnet coil 2 not attract iron core 1, under the effect of pull back spring 3, iron core 1 drives push rod 5, pedal 7 to get back to original position.
Claims (8)
1. a brake pedal servo-unit, is characterized in that: brake pedal servo-unit mainly comprises pedal (7), push rod (5), pull back spring (3), housing (4), center bearing pilot bearing (8), magnet coil (2), iron core (1), current controller, pressure sensor (6);
The middle part at described housing (4) two ends is porose, and center bearing pilot bearing (8) is installed in hole; One end in described housing (4) is provided with magnet coil (2) and pull back spring (3), pull back spring (3) is interior, magnet coil (2) is fixed on the inwall of housing (4) outside, pull back spring (3) presses to iron core (1) other end of housing (4), and pull back spring (3) can be in one end of housing (4) and the inner elongated or shortening of the magnet coil (2) between iron core (1);
Described push rod (5) is through center bearing pilot bearing (8), iron core (1), magnet coil (2), pull back spring (3), and iron core (1) is fixed on push rod (5) above and can in housing (4) and in magnet coil (2), moves or not move; When magnet coil (2) is switched on, iron core (1) moves and compression retracteding position spring (3) to one end of pull back spring (3) under the attraction of the magnetic force of magnet coil (2); When magnet coil (2) end electricity, it is motionless that iron core (1) is moved back into the other end under the effect of pull back spring (3);
Described pedal (7) is fixed on the end of push rod (5), and pressure sensor (6) is arranged on pedal (7);
The input circuit of described current controller connects the power supply of vehicle, and the output circuit of current controller is connected with magnet coil (2), and the circuit of pressure sensor (6) is connected with the circuit of current controller;
Described pressure sensor (6) comprises spring and infrared inductor, people rides spring while applying power on pressure sensor (6) and can shrink, with infrared ray, respond to the length variations of spring, thereby export according to the variation of spring length the signal that is applied to the power size on pedal (7);
The pressure signal transmission that described pressure sensor (6) senses is to current controller, current controller is adjusted the size of current of output by the pressure signal receiving, the electric current that the electric current of current controller output receives while being exactly magnet coil (2) generation magnetic field.
2. brake pedal servo-unit according to claim 1, is characterized in that: for the ease of producing power-assisted, described magnet coil (2) is fixed on housing (4) away from one end of brake pedal (7); Described current controller can switch on or off the power supply of magnet coil (2).
3. brake pedal servo-unit according to claim 1, is characterized in that: in order to reach the object of power-assisted, the polarity in the magnetic field that described magnet coil (2) produces when energising is consistent with the polar orientation of permanent magnet (1), can attract each other.
4. brake pedal servo-unit according to claim 1, is characterized in that: in order to make the pedal (7) can return, one end of described pull back spring (3) be fixed on the one end in housing (4), and the other end is fixed on permanent magnet (1).
5. brake pedal servo-unit according to claim 1, it is characterized in that: in order to guarantee that pressure sensor can normal delivery pressure signal, described pressure sensor (6) can also be suction type inductor, or positive-pressure type inductor, or stroke type inductor, or telescopic inductor, or electronic sensor.
6. brake pedal servo-unit according to claim 1, push rod it is characterized in that: in order normally to be worked, the axis of described magnet coil (2) and permanent magnet (1) is parallel with push rod (5) or overlap, and the axis of the axis of permanent magnet (1) and magnet coil (2) coincides.
7. brake pedal servo-unit according to claim 1, is characterized in that: in order to reduce the accessory of automobile, described pedal (7) does not have support arm.
8. brake pedal servo-unit according to claim 1, it is characterized in that: in order to alleviate the weight of automobile and to reduce production costs, described brake pedal servo-unit has replaced brake pedal unit and hydraulic booster or vacuum booster and the vacuum pump in hydraulic brake system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304525.XU CN203996170U (en) | 2014-06-10 | 2014-06-10 | Brake pedal servo-unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304525.XU CN203996170U (en) | 2014-06-10 | 2014-06-10 | Brake pedal servo-unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203996170U true CN203996170U (en) | 2014-12-10 |
Family
ID=52036216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304525.XU Expired - Fee Related CN203996170U (en) | 2014-06-10 | 2014-06-10 | Brake pedal servo-unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203996170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266892A (en) * | 2015-10-16 | 2016-01-27 | 中国人民解放军第四军医大学 | Bipolar electric condenser adjustment and control device |
| CN109733343A (en) * | 2019-02-22 | 2019-05-10 | 珠海聚能精密工业有限公司 | Permanent magnetism solenoid booster |
-
2014
- 2014-06-10 CN CN201420304525.XU patent/CN203996170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266892A (en) * | 2015-10-16 | 2016-01-27 | 中国人民解放军第四军医大学 | Bipolar electric condenser adjustment and control device |
| CN109733343A (en) * | 2019-02-22 | 2019-05-10 | 珠海聚能精密工业有限公司 | Permanent magnetism solenoid booster |
| CN109733343B (en) * | 2019-02-22 | 2024-04-16 | 珠海聚能精密工业有限公司 | Permanent magnet solenoid booster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150610 |
|
| EXPY | Termination of patent right or utility model |