CN2124838U - Safe Parking Brake - Google Patents
Safe Parking Brake Download PDFInfo
- Publication number
- CN2124838U CN2124838U CN 92224885 CN92224885U CN2124838U CN 2124838 U CN2124838 U CN 2124838U CN 92224885 CN92224885 CN 92224885 CN 92224885 U CN92224885 U CN 92224885U CN 2124838 U CN2124838 U CN 2124838U
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- brake
- switch
- valve
- gear
- valve rod
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- 239000003921 oil Substances 0.000 claims abstract description 15
- 239000010705 motor oil Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 230000002964 excitative effect Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 239000010727 cylinder oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Regulating Braking Force (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
A safety parking brake device comprises a two-position five-way reversing solenoid valve arranged below a brake master pump and a main control unit consisting of logic elements, wherein signal input ends of the main control unit are respectively connected to a manual parking switch, a gear engaging switch, an engine oil pressure switch, a clutch position switch, a throttle position switch and limit switches at two ends of a valve rod of the solenoid valve, so that whether a vehicle is parked or in a starting state is judged, coils on the right side and the left side of a valve body are powered up in sequence to move the valve body so as to keep or release brake oil, and the manual brake is replaced by electric control.
Description
The utility model relates to a kind of safe holding brake device, exactly, relates to a kind of the processing with electric signal and replaces traditional stopping brake lock braking technology, to reach convenient, the significant application target of effect of laborsaving, last hill-start that stops.
The brake that present automobile is adopted can be divided into two kinds of the stopping brake locks (referring to Fig. 1) that use when the oil pressure that uses under steam brakes and stops.Wherein, oil pressure brakes after trampling brake pedal 11, and brake solution flow to the wheel cylinder 13 of each wheel from master cylinder 12, and the brake disc 14 that combines with wheel of pinning, reaches the brake purpose.Be that present oil pressure car can only be in the wheel middle brake of travelling, when in a single day brake pedal 11 unclamps, brake solution just is back to master cylinder 12 by wheel cylinder 13 immediately, and does not all have any benefit for the braking of stopping and go up a slope.
Stopping brake lock then is to remove brake and transmission shaft or rear wheel with the mechanical arm of force, except that wasting time and energy, also must have following condition to cooperate: driving engine starts really, the throttle fuel feeding is just in time in the optimum position that engine speed is provided, power-transfer clutch is in position that can the engage engine power transmission, entered a retaining or reverses gear.Therefore, chaufeur often when last hill-start, causes the release brake out of turn because of judgement differs, and causing the not guarantee of brake safety, and the fault rate height, and this has increased fear more when a new hand is driven, and the situation during its operation can be learned from Figure 1B.
To sum up stating the brake of described, traditional oil pressure can't be as long Parking, and stopping brake lock also can not be realized same effect because of following defective:
1. because of being mechanical braking, for the purpose of laborsaving, make that to pull lever length longer, to increase the arm of force, so then increase operational stroke, and use inconvenience.
2. vehicle is when last hill-start, be difficult for grasping the opportunity that discharges stopping brake lock, needs special study.
3. no matter be oil pressure brake or stopping brake lock, all can not satisfy the needs that brake under the various different situations.
4. when going up a slope the failure of starting and engine starting, this moment, stopping brake lock discharged, and will make vehicle slip-down, and this is especially dangerous to new driver or easy panic person.
5. vehicle is when last hill-start, and is too late opportunity as discharging stopping brake lock, and vehicle will be gone out rapidly, very easily damages the transmission device of vehicle.
The purpose of this utility model provides a kind of safe holding brake device that can adapt to various situation brake effects, no matter in vehicle ', or startup (containing hill-start), or stop (containing stopping on hill), can both fully satisfy the demand of various brakes, and can improve the many disadvantages of above-mentioned stopping brake lock or oil pressure brake, easy and simple to handle, effect is safe and reliable.
Below in conjunction with accompanying drawing, introduce detailed construction of the present utility model, application principle, effect and effect in detail.
Figure 1A is an orthodox car hydraulic brake system scheme drawing.
Figure 1B is a scheme drawing for the orthodox car stopping brake lock.
Fig. 2 A, 2B are locus and the diagram of work of the utility model in automobile.
Fig. 3 is used for the put into gear control logic block diagram of automobile of hand for the utility model.
Fig. 4 is used for the control logic block diagram of automatic shifting automobile for the utility model.
Fig. 5 is the constructional drawing of a preferred embodiment of the present utility model.
Element number in the accompanying drawing and title contrast are as shown in the table:
11. brake pedal, 12. master cylinder, 13. each wheel wheel cylinder, 14. brake disc, 15. brake oil pipes, 2. emergency valve, 21. valve body, 22. valve rods, 23. first passages, 24. second channel, 25. grease chambeies, 26. left magnet coils, 27. right magnet coil, 28. positioning balls, 29. springs, 31. the left limit switch, 32. right limit switches, 33. manual shut off cocks, the switch 34. put into gear, 35. the engine oil pressure switch, 36. clutch position switches, 37. throttle position switchs, 38. automatic shifting automobile gear level signal generator, 4. main control unit, 41,42,43,44. be all logical component, 5. power supply.
From Fig. 2 A, 2B, 3,4,5, can know and learn that the utility model includes following parts and forms:
An emergency valve 2, system is arranged at a two-position five-way reversing solenoid valve of master cylinder below, it engages with brake oil pipe 15 polyphones, valve body 21 inside are separated into first passage 23, second channel 24 and grease chamber 25 by a valve rod 22, the left and right end of valve rod 22 respectively is provided with a magnet coil 26,27, to produce electromagnetic force and actuate valve stem 22 sway respectively, to close or to open first passage 23, second channel 24, the left end of valve rod (or right-hand member) is provided with lock ball 28 and spring;
Two limit switches 31,32 are the two ends that are arranged at above-mentioned emergency valve valve rod 22 respectively, are used to measure valve rod and whether arrive the location, and send electric signal;
A manual shut off cock 33 is manual key switch, is arranged on the bar below of putting into gear, and the operator can take this to import the Parking instruction;
The switch 34 of putting into gear is to be arranged on the gear box, is used for the gear that sensing gearbox is hung;
An engine oil pressure switch 35 is arranged on the engine body, is used for judging by the test of engine oil pressure whether driving engine starts;
A clutch position switch 36, it is adjustable position switch, be arranged on the appropriate location on the pedal of clutch permanent seat: promptly when pedal of clutch is relaxed to pressing plate and just contacts with clutch segment, this clutch position switch is promptly closed, judges that thus power-transfer clutch is whether just in time on the power transmission position;
A throttle position switch 37 is arranged on the throttle plate pin, and when throttle was stepped on, throttle gate was opened, and these throttle position switch 37 contacts promptly separate, and judges thus whether chaufeur steps on the throttle;
A main control unit 4, system is made up of several logical components, the input end of this main control unit 4 is connected to the signal output part of above-mentioned two limit switches 31,32, manual shut off cock 33, the switch 34 of putting into gear, engine oil pressure switch 35, clutch position switch 36, throttle position switch 37 respectively, and its output signal then drives the set magnet coil of the left and right end of emergency valve 26,27 respectively.
Wherein, the first passage 23 of emergency valve 2 and passage 24 can pass through for brake solution, and grease chamber 25 is similar to the oil cylinder with urgent release stopping brake lock function; Under cruising state condition, emergency valve 2 is in the releasing position: first passage 23, second channel 24 are open state, and the brake solution of master cylinder can be delivered to the wheel cylinder of each wheel via shut-off valve 2, and grease chamber 25 is full of brake solution simultaneously.
During parking, the chaufeur pin pedal that touches on the brake comes to a complete stop car, push manual shut off cock 33 simultaneously, and make it excitatory through the magnet coil 27 of main control unit 4 actuate valve stem 22 right-hand members, attract valve rod 22 to move to right, force the 25 li brake solution that have been full of in grease chamber to be extruded simultaneously,, flow to wheel cylinder 13 through second channel 24 along oil pipe 15; When valve rod was shifted to the right to the position location, first passage 23 and second channel 24 all sealed, thereby the brake solution of each wheel cylinder 13 can't be discharged, and each wheel all locks and reaches parking function.And the limit switch 32 of valve rod right-hand member moves to right when putting in place at valve rod 22, can touch this limit switch 32, makes the parking brake car light bright, informs main control unit 4 simultaneously, cuts off the power supply of right magnet coil 27.
When the chaufeur desire starts automobile, only need according to general piloting procedure Control of Automobile, various signals will be admitted to main control unit 4, when main control unit 4 judges that automobile will start, magnet coil 26 with regard to actuate valve stem 22 left ends is excitatory, and valve rod 22 is moved to left, and this moment, first passage 23 and second channel 24 were open, the brake solution of each wheel cylinder 13 is released, brake is unclamped.And move to left when putting in place when valve rod 22, can touch left side limit switch 31, produce signal and inform main control unit 4, cut off the power supply of left end magnet coil 26.
If lock at stopping brake lock, install unexpected et out of order, when vehicle can't be advanced, only need the foot brake pedal is stepped on, the brake solution that makes master cylinder 12 has to enter grease chamber 25 because of passing through first passage 23 and second channel 24, thereby promoting valve rod 22 is moved to the left, make first passage 23 and second channel 24 open, the brake solution of each wheel cylinder 13 is released, and brake is unclamped.
Above-mentioned being all for the general hand automotive use of putting into gear because the automatic shifting automobile does not have clutch equipment, so with automatic shifting automobile gear level signal generator 38 with alternative clutch position switch 36.This automatic engage a gear automobile is behind start a car, and nationality helps signal generator 38, the transmission that throttle valve switch 37 and Oil pressure switch 35 come sensing signal; After reaching the starting important document, can the safe release holding brake device, and stop when using this device, come responsive dead ship condition by each sense switch, promptly braking during standstill can play same effect with the above-mentioned hand the utility model that vehicle uses of putting into gear.
In a word, the utlity model has the safe release Parking, keep brake after the parking, and when the device et out of order, chaufeur can in time recover the effect of a series of guarantee driving safety such as braking action.And these effects can be improved multinomial defectives such as existing stopping brake lock brake system safe release in time brake.
It is to be noted; said structure is the preferable enforcement example of the utility model, if the change of carrying out according to the utility model design slightly, the function of its generation and effect are still within the scope that this specification sheets and accompanying drawing are contained the time; all should belong within the utility model protection domain, hereby statement.
Claims (5)
1, a kind of safe holding brake device is characterized in that it includes following parts and forms:
An emergency valve 2, system is arranged at a two-position five-way reversing solenoid valve of master cylinder below, it engages with brake oil pipe 15 polyphones, valve body 21 inside are separated into first passage 23, second channel 24 and grease chamber 25 by a valve rod 22, the left and right end of valve rod 22 respectively is provided with a magnet coil 26,27, to produce electromagnetic force and actuate valve stem 22 sway respectively, to close or to open first passage 23, second channel 24, the left end of valve rod (or right-hand member) is provided with lock ball 28 and spring;
Two limit switches 31,32 are the two ends that are arranged at above-mentioned emergency valve valve rod 22 respectively, are used to measure valve rod and whether arrive the location, and send electric signal;
A manual shut off cock 33 is manual button switch, is arranged on the bar below of putting into gear, and the operator can take this to import the Parking instruction;
The switch 34 of putting into gear is to be arranged on the gear box, is used for the gear that sensing gearbox is hung;
An engine oil compresses switch 35, is arranged on the engine body, is used for judging by the test of engine oil pressure whether driving engine starts;
A clutch position switch 36, it is adjustable position switch, be arranged on the appropriate location on the pedal of clutch permanent seat: promptly when the clutch segment pedal is relaxed to pressing plate and just contacts with power-transfer clutch, this clutch position switch is promptly closed, judges that thus power-transfer clutch is whether just in time on the power transmission position;
A throttle position switch 37 is arranged on the throttle plate pin, and when throttle was stepped on, throttle gate was opened, and these throttle position switch 37 contacts promptly separate, and judges thus whether chaufeur steps on the throttle;
A control unit 4, system is made up of several logical components, the input end of this main control unit 4 is connected to the signal output part of above-mentioned two limit switches 31,32, manual shut off cock 33, the switch 34 of putting into gear, engine oil pressure switch 35, clutch position switch 36, throttle position switch 37 respectively, and its output signal then drives the set magnet coil of the left and right end of emergency valve 26,27 respectively.
2, safe holding brake device as claimed in claim 1 is characterized in that first, second passage of emergency valve can pass through the then similar oil cylinder with urgent release stopping brake lock function in grease chamber for brake solution; Under the cruising situation, valve body is in the releasing position: first, second passage is open state, and the brake solution of master cylinder can be delivered to the wheel cylinder of each wheel via shut-off valve, and simultaneously, the grease chamber is full of brake solution.
3, safe holding brake device as claimed in claim 1 or 2, when it is characterized in that stopping, the valve rod of emergency valve is pedal because the chaufeur pin touches on the brake, car is come to a complete stop and push manual shut off cock simultaneously, under the electromagnetic attracting force of the right-hand member magnet coil that main control unit drives, move to right, force the brake solution that is full of in the grease chamber to be extruded, flow to wheel cylinder through second channel; And move to right when location when valve rod, first, second passage all cuts off, and the oil pressure of each wheel cylinder can't be discharged and locks wheel, reaches the Parking effect.
4, safe holding brake device as claimed in claim 1, when it is characterized in that starting automobile, main control unit actuate valve stem left end magnet coil is excitatory, the attraction valve rod moves to left, make first, second passage be open state, each wheel cylinder oil pressure is released releasing of brake.
5, safe holding brake device as claimed in claim 1, it is characterized in that said structure system is used for non-automatic vehicle Parking of putting into gear, as being used for the vehicle of automatic shifting, then should substitute the clutch position switch by the gear signal generator of automatic shifting vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92224885 CN2124838U (en) | 1992-06-17 | 1992-06-17 | Safe Parking Brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92224885 CN2124838U (en) | 1992-06-17 | 1992-06-17 | Safe Parking Brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2124838U true CN2124838U (en) | 1992-12-16 |
Family
ID=4967224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92224885 Pending CN2124838U (en) | 1992-06-17 | 1992-06-17 | Safe Parking Brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2124838U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100366476C (en) * | 2003-06-02 | 2008-02-06 | 罗伯特.博世有限公司 | Optimal control device configuration for a parking brake of a motor vehicle |
| CN100406788C (en) * | 2003-05-28 | 2008-07-30 | 五十铃自动车株式会社 | vehicle parking device |
| CN100417846C (en) * | 2003-05-28 | 2008-09-10 | 五十铃自动车株式会社 | vehicle parking device |
| CN101870288A (en) * | 2010-06-11 | 2010-10-27 | 烟台汽车工程职业学院 | Automobile parking assist braking system |
| CN101367377B (en) * | 2008-10-17 | 2011-06-01 | 黄金运 | Electronic brake system for backward movement of automobile |
| CN101331042B (en) * | 2005-12-16 | 2012-04-18 | 威伯科有限公司 | Electro-pneumatic brake control device |
| CN104540715A (en) * | 2012-07-13 | 2015-04-22 | 克诺尔商用车制动系统有限公司 | Electrically operable holding brake system for a pneumatic braking installation and method for operating an electrically operable holding brake system |
| CN103448709B (en) * | 2013-06-28 | 2016-03-23 | 天津达诺信建筑材料销售有限公司 | Electromechanical full automaticity parking pump valve |
| CN110860185A (en) * | 2018-08-27 | 2020-03-06 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption runner device and method capable of switching the flow direction of desorption gas |
-
1992
- 1992-06-17 CN CN 92224885 patent/CN2124838U/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406788C (en) * | 2003-05-28 | 2008-07-30 | 五十铃自动车株式会社 | vehicle parking device |
| CN100417846C (en) * | 2003-05-28 | 2008-09-10 | 五十铃自动车株式会社 | vehicle parking device |
| CN100366476C (en) * | 2003-06-02 | 2008-02-06 | 罗伯特.博世有限公司 | Optimal control device configuration for a parking brake of a motor vehicle |
| CN101331042B (en) * | 2005-12-16 | 2012-04-18 | 威伯科有限公司 | Electro-pneumatic brake control device |
| CN101367377B (en) * | 2008-10-17 | 2011-06-01 | 黄金运 | Electronic brake system for backward movement of automobile |
| CN101870288A (en) * | 2010-06-11 | 2010-10-27 | 烟台汽车工程职业学院 | Automobile parking assist braking system |
| CN104540715A (en) * | 2012-07-13 | 2015-04-22 | 克诺尔商用车制动系统有限公司 | Electrically operable holding brake system for a pneumatic braking installation and method for operating an electrically operable holding brake system |
| CN104540715B (en) * | 2012-07-13 | 2017-06-13 | 克诺尔商用车制动系统有限公司 | Parking braking system for the electrically actuatable of aerobraking equipment and the method for running the parking braking system of electrically actuatable |
| CN103448709B (en) * | 2013-06-28 | 2016-03-23 | 天津达诺信建筑材料销售有限公司 | Electromechanical full automaticity parking pump valve |
| CN110860185A (en) * | 2018-08-27 | 2020-03-06 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption runner device and method capable of switching the flow direction of desorption gas |
| CN110860185B (en) * | 2018-08-27 | 2021-07-27 | 杰智环境科技股份有限公司 | Switching valve and adsorption and desorption runner device and method capable of switching the flow direction of desorption gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |