CN203996173U - Master cylinder work-saving device - Google Patents
Master cylinder work-saving device Download PDFInfo
- Publication number
- CN203996173U CN203996173U CN201420304664.2U CN201420304664U CN203996173U CN 203996173 U CN203996173 U CN 203996173U CN 201420304664 U CN201420304664 U CN 201420304664U CN 203996173 U CN203996173 U CN 203996173U
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- China
- Prior art keywords
- housing
- magnet coil
- iron core
- push rod
- connector
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- 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.)
- Expired - Fee Related
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- Braking Elements And Transmission Devices (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a kind of master cylinder work-saving device, its power-assisted part, connector, master brake cylinder and brake pedal; Push rod is through center bearing pilot bearing, iron core, pull back spring, magnet coil in the hole at housing two ends, and magnet coil is fixed in housing, and the iron core in housing is fixed on push rod; Pull back spring can elongate or shorten in the inside of magnet coil.Push rod connects brake pedal, and pressure inductor is arranged on the pedal of brake pedal.There are respectively holding flange and connector in the two ends of housing, and connector connects housing and master brake cylinder, and push rod withstands on the push rod of master brake cylinder.The output circuit of current controller connects magnet coil, and the pressure signal of current controller reception pressure inductor transmission is adjusted the size of current of output.Adopted after master cylinder work-saving device simple in structure, that be convenient to manufacture, during braking, realized the autoamtic boosting of pedal, rapid operation; Saved again huge vacuum booster, saved the installing space of automobile simultaneously.
Description
Technical field
The utility model relates to the master cylinder work-saving device 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 is for a kind of automobile that is applicable to hydraulic braking is provided, be particularly useful for electronlmobil can autoamtic boosting master brake cylinder and manufacture and method.
For achieving the above object, master cylinder work-saving device described in the utility model mainly comprises power-assisted part, connector, holding flange, master brake cylinder and brake pedal; Wherein, power-assisted partly comprises push rod, pull back spring, housing, center bearing pilot bearing, magnet coil, iron core, current controller, pressure inductor.
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 fixed with magnet coil and pull back spring, and the other end is cored; On the inwall of magnet coil stationary housing, pull back spring (3) is arranged between one end and iron core of the housing in magnet coil, 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.
Further, in one end of outside push rod, be connected on the cantilever of brake pedal by rotational pin, pressure inductor is arranged on the pedal of brake pedal.
Further again, holding flange is arranged at the top of described outside, has via hole on holding flange, housing by holding flange and on via hole be fixed on bottom plate of driving cab or vehicle frame; The bottom of described outside is fixed with connector, and the screw hole that has the flange connector with master brake cylinder to match on connector, connects for bolt; There is through hole the inside of connector, for the fixing leading section of master brake cylinder; Described master brake cylinder is fixed on connector by the screw hole of connector, in the trepanning of the push rod of the leading section insertion master brake cylinder of push rod.
Further again, for the ease of manufacturing and assembling, described holding flange is fixed on housing after can manufacturing separately, also can holding flange and housing be manufactured as a whole; After connector can be manufactured separately and housing and master brake cylinder be assembled together, also the cylinder body of connector and master brake cylinder can be manufactured after as a whole and is assembled together with housing, can also connector and housing manufacture after as a whole and be assembled together with master brake cylinder again.
Further again, the input circuit of described current controller connects the power supply of vehicle, and the output circuit of current controller connects magnet coil, and pressure inductor is connected to 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 inductor 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.
When described duo-servo action master brake cylinder is braked under steam, ride on the pressure inductor on brake pedal, ride the pressure promotion brake pedal producing and drive push rod to move forward on pressure inductor, promote master brake cylinder and produce braking force.Meanwhile, the pressure signal transmission that pressure inductor 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 master brake cylinder, thereby realized the autoamtic boosting of master brake cylinder.When needs brake off, pin leaves the pressure inductor above brake pedal, pressure inductor 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 produce attractive force, under the effect of pull back spring, iron core drives push rod, brake 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 inductor can normal delivery pressure signal, described pressure inductor can also be suction type inductor, can also be also positive-pressure type inductor, can also be also stroke type inductor, also can also be telescopic inductor, can also be also electronic sensor.
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 alleviate the weight of automobile and to reduce production costs, described master cylinder work-saving device has replaced the brake pedal unit in hydraulic brake system, hydraulic booster and boost pump or vacuum booster and vacuum pump and master brake cylinder four samples.
The utility model master cylinder work-saving device simple in structure, be convenient to manufacture; Adopt after master cylinder work-saving device, during braking, realized the autoamtic boosting of pedal, rapid operation; Saved again huge vacuum booster, saved the installing space of automobile simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of combination mounting structure of power-assisted part, connector, master brake cylinder and the brake pedal of the utility model master cylinder work-saving device.
The specific embodiment
The utility model master cylinder work-saving device mainly comprises power-assisted part, connector 7, holding flange 11, master brake cylinder 8 and brake pedal; Wherein, power-assisted partly comprises power-assisted part, connector 7, master brake cylinder 8 and brake pedal; Wherein, power-assisted partly comprises push rod 5, pull back spring 3, housing 4, center bearing pilot bearing 6, magnet coil 2, iron core 1, current controller, pressure inductor.
The middle part at housing 4 two ends is porose, and center bearing pilot bearing 6 is installed in hole; One end in housing 4 is fixed with magnet coil 2 and pull back spring 3, the other end cored 1; On the inwall of magnet coil 2 stationary housings 4, pull back spring 3 is arranged between one end and iron core 1 of the housing 4 in magnet coil 2, 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 is through center bearing pilot bearing 6, 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 4 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 no power, it is motionless that iron core 1 is moved back into the other end under the effect of pull back spring 3.
Further, in one end of the outside push rod 5 of housing 4, be connected on the cantilever of brake pedal by rotational pin, pressure inductor 9 is arranged on brake pedal 10.
Further again, holding flange 11 is arranged at the top of housing 4 outsides, on holding flange 11, has via hole, housing 4 by holding flange 11 and on via hole be fixed on bottom plate of driving cab or vehicle frame; The bottom of housing 4 outsides is fixed with connector 7, and the screw hole that has the flange connector with master brake cylinder 8 to match on connector 7, connects for bolt; There is through hole the inside of connector 7, for the fixing leading section of master brake cylinder 8; Master brake cylinder 8 is fixed on connector 7 by the screw hole of connector 7, in the trepanning of the push rod of the leading section of push rod 5 insertion master brake cylinder 8.
Further again, for the ease of manufacturing and assembling, holding flange 11 is fixed on housing 4 after can manufacturing separately, also can holding flange 11 and housing 4 be manufactured as a whole; After connector 7 can be manufactured separately and housing 4 and master brake cylinder 8 be assembled together, also the cylinder body of connector 7 and master brake cylinder 8 can be manufactured after as a whole and is assembled together with housing 4, can also connector 7 and housing 4 manufacture after as a whole and be assembled together with master brake cylinder 8 again.
Further again, the input circuit of current controller connects the power supply of vehicle, and the output circuit of current controller connects magnet coil, and pressure inductor is connected to current controller.
Further again, pressure sensor 9 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 pressure inductor 9 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.
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 inductor can normal delivery pressure signal, pressure inductor 9 can also be suction type inductor, can also be also positive-pressure type inductor, can also be also stroke type inductor, also can also be telescopic inductor, can also be also electronic sensor.
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 alleviate the weight of automobile and to reduce production costs, described master cylinder work-saving device has replaced the brake pedal unit in hydraulic brake system, hydraulic booster and boost pump or vacuum booster and vacuum pump and master brake cylinder four samples.
After the utility model duo-servo action master brake cylinder installs on automobile, while travelling middle braking, ride on the pressure inductor 9 on brake pedal 10, ride the pressure promotion brake pedal 10 producing and drive push rods 5 to move forward on pressure inductor 9, promote master brake cylinder 8 and produce braking forces.Meanwhile, the pressure signal transmission that pressure inductor 9 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 master brake cylinder 8, thereby realized the autoamtic boosting of master brake cylinder 8.When needs brake off, pin leaves brake pedal 10 pressure inductor 9 above, pressure inductor 9 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 produce attractive force, under the effect of pull back spring 3, iron core 1 drives push rod 5, brake pedal 10 to get back to original position.
Claims (7)
1. a master cylinder work-saving device, is characterized in that: master cylinder work-saving device mainly comprises power-assisted part, connector (7), holding flange (11), master brake cylinder (8) and brake pedal (10); Wherein, power-assisted partly comprises push rod (5), pull back spring (3), housing (4), center bearing pilot bearing (6), magnet coil (2), iron core (1), current controller, pressure inductor (9);
The middle part at described housing (4) two ends is porose, and center bearing pilot bearing (6) is installed in hole; One end in described housing (4) is fixed with magnet coil (2) and pull back spring (3), the other end cored (1); On the inwall of magnet coil (2) stationary housing (4), pull back spring (3) is arranged between one end and iron core (1) of the housing (4) in magnet coil (2), 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 is through center bearing pilot bearing (6), 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 (4) 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) no power, it is motionless that iron core (1) is moved back into the other end under the effect of pull back spring (3);
One end at the outside push rod (5) of housing (4) is connected to by rotational pin on the cantilever of brake pedal, and pressure inductor (9) is arranged on brake pedal (10);
Holding flange (11) is arranged at the outside top of described housing (4), and holding flange has via hole on (11), housing (4) by holding flange (11) and on via hole be fixed on bottom plate of driving cab or vehicle frame; The outside bottom of described housing (4) is fixed with connector (7), and the screw hole that has the flange connector with master brake cylinder (8) to match on connector (7), connects for bolt; There is through hole the inside of connector (7), for the fixing leading section of master brake cylinder (8); Described master brake cylinder (8) is fixed on connector (7) above by the screw hole of connector (7), in the trepanning of the push rod of the leading section of push rod (5) insertion master brake cylinder (8);
Described holding flange (11) is fixed on housing (4) after can manufacturing separately upper, also can holding flange (11) and housing (4) be manufactured as a whole; After connector (7) can be manufactured separately and housing (4) and master brake cylinder (8) be assembled together, also the cylinder body of connector (7) and master brake cylinder (8) can be manufactured after as a whole and is assembled together with housing (4), can also connector (7) and housing (4) manufacture after as a whole and be assembled together with master brake cylinder (8) again;
The input circuit of described current controller connects the power supply of vehicle, and the output circuit of current controller connects magnet coil (2), and pressure inductor (9) is connected to current controller;
Described pressure sensor (9) comprises spring and infrared inductor, people rides spring while applying power on pressure sensor 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;
The pressure signal transmission that described pressure inductor (9) 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. master cylinder work-saving device according to claim 1, is characterized in that: for the ease of producing power-assisted, described current controller can switch on or off the power supply of magnet coil (2).
3. master cylinder work-saving device according to claim 1, is characterized in that: in order to reach the object of power-assisted, the magnetic field that described magnet coil (2) produces when energising can attract iron core (1) mobile.
4. master cylinder work-saving device according to claim 1, is characterized in that: in order to make the pedal 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 iron core (1).
5. master cylinder work-saving device according to claim 1, it is characterized in that: in order to guarantee that pressure sensor can normal delivery pressure signal, described pressure inductor (9) can also be suction type inductor, also can also be positive-pressure type inductor, also can also be stroke type inductor, also can also be telescopic inductor, can also be also electronic sensor.
6. master cylinder work-saving device 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 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.
7. master cylinder work-saving device according to claim 1, it is characterized in that: in order to alleviate the weight of automobile and to reduce production costs, described master cylinder work-saving device has replaced the brake pedal unit in hydraulic brake system, hydraulic booster and boost pump or vacuum booster and vacuum pump and master brake cylinder four samples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304664.2U CN203996173U (en) | 2014-06-10 | 2014-06-10 | Master cylinder work-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304664.2U CN203996173U (en) | 2014-06-10 | 2014-06-10 | Master cylinder work-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203996173U true CN203996173U (en) | 2014-12-10 |
Family
ID=52036219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304664.2U Expired - Fee Related CN203996173U (en) | 2014-06-10 | 2014-06-10 | Master cylinder work-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203996173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914680A (en) * | 2017-10-30 | 2018-04-17 | 燕山大学 | A kind of half active pedal sense simulator of magnetic force assist type |
-
2014
- 2014-06-10 CN CN201420304664.2U patent/CN203996173U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914680A (en) * | 2017-10-30 | 2018-04-17 | 燕山大学 | A kind of half active pedal sense simulator of magnetic force assist type |
| 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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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 |