CN88101304A - Safety device for vehicle brake - Google Patents
Safety device for vehicle brake Download PDFInfo
- Publication number
- CN88101304A CN88101304A CN 88101304 CN88101304A CN88101304A CN 88101304 A CN88101304 A CN 88101304A CN 88101304 CN88101304 CN 88101304 CN 88101304 A CN88101304 A CN 88101304A CN 88101304 A CN88101304 A CN 88101304A
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- cylinder
- seat
- brake
- chaufeur
- vehicle
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Abstract
The present drg of using during vehicle parking, careless and inadvertent operation the when parking car because of chaufeur is easy to cause vehicle to slide automatically and leads to traffic accident; Brake service back vehicle is well also sailed by other people or child easily and is got into an accident.The present invention is that the seat cushion with the driver behavior chair changes movable seat cushion into, with one group of follow mechanism foot-operated brake and movable seat cushion is linked, and when chaufeur has just left the seat, this device can in time replace the driver's operation drg to finish wheel braking.After the braking, the Fei Benche chaufeur can't be eliminated braking.Thereby can prevent that chaufeur inadvertent general idea from getting into an accident, can prevent that also the Fei Benche chaufeur from sailing this car and getting into an accident, can also prevent that the bad person from stealing car.
Description
The invention belongs to the safety device of vehicle parking rear defence sliding stop.
During vehicle parking, be to utilize hand brake and low-grade location to come control vehicle to slide at present.Also useful energy-storaging spring drg replaces hand brake.Stop the back with above-mentioned brake equipment control vehicle and slide, necessarily require the good brake equipment of driver's operation, will cause unthinkable consequence as careless slightly.The people some the time or certain situation under, its thinking ability and reversal of stress all difference can occur, can cause the error in the work occasionally unawares, the result is to oneself bringing lifelong misery.Especially big traffic accident has taken place within the border in the Luzhou, Sichuan on December 22nd, 87, has shaken full river.Because of taking place to wipe, hangs by this car, chaufeur thought causes anxiety, do not operated brake equipment after the parking and watched damaed cordition with regard to getting off in a great rush, he has just gone to the tailstock, this car just slides backward, it is invalid to take measures, and the result weighs down under rock a fully loaded passenger's motorcoach, the disastrous effect of dead tens people, vehicle scrapping.In fact taken place a lot of because of car stops the back severe traffic accidents such as thrusting into, collide, weigh down rock of sliding.Above-mentioned parking brake apparatus also has a defective, is easy to be made by other people or innocent child after the operation well exactly, and the accident that causes thus is quite a few.
Task of the present invention provides the safety device for vehicle brake behind a kind of vehicle parking, and slip and Fei Benche chaufeur were sailed this car when it can prevent vehicle parking effectively.The object of the present invention is achieved like this, the seat cushion of driver behavior chair is changed into movable seat cushion, with one group of follow mechanism drg and movable seat cushion are linked, as long as chaufeur leaves the seat, this device just can replace the driver's operation drg to finish wheel braking, thereby negligence is failed to have operated brake equipment and is just left away in the time of preventing effectively that chaufeur from parking car, and vehicle slides automatically and has an accident.After the braking, automatically lock pin will install lock control, and the Fei Benche chaufeur can't be eliminated this car and brake, and can prevent that like this other people motor-car or innocent child's motor-car from having an accident, and also can prevent to steal car thus.
Task of the present invention can realize by following two kinds of schemes:
First kind of scheme: with Chongqing CQ604 type motorcoach that the energy-storaging spring drg is housed embodiment as air brake vehicle.Specify as follows:
The present invention can be lower than 392KP at leak gas suddenly decompression or pressure of air compressor et out of order or gas circuit according to the energy storing brake device
aThe time, make the principle of car brakeing, control the energy storing brake device by the safety device for vehicle brake that following parts are formed, can realize purpose of the present invention.Control cock 1, pipe link 3, pull bar 4, seat cylinder 5, seat cylinder spring 6, seat cylinder cap 7, seat cylinder piston 8, roof pressure post 9, movable seat cushion 11,140 parts of lock pin are formed.
The action principle of energy storing brake device 20: when gas circuit pressure greater than 392KP
a(4kgt/cm
2) time, piston 22 promptly is moved to the left, and energy-storaging spring 21 is compressed, and energy storing brake device 20 is inoperative.Suddenly gas leakage decompressions or pressure are lower than 392KP when gas circuit 17
aThe time, energy-storaging spring 21 is promptly upheld, and promotes piston rod 23 and brake fork 24 to move right, and brake strap 26 is opened play brake action.
Control cock 1 is located in the middle of the gas circuit 17, is that control air receiver 18 send compressed-air actuated switch toward energy storing brake device 20.Seat cylinder 5 be located at operations chair 12 below, base is screwed on car bottom plate (drawing among the figure), is provided with a cylinder spring 6, seat cylinder piston 8, pull bar 4 in the cylinder, the cylinder mouth is fastening by 7 sealings of seat cylinder cap.Seat cylinder spring 6 places between a cylinder piston 8 and the cylinder bottom, shrinks when being subjected to pressure, upholds when pressure is eliminated.Pull bar 4 upper ends are fastening with the plane circle centre position of seat cylinder piston 8, and the bottom passes from the cylinder bottom hole of seat cylinder 5, can slide in the hole, and the lower end is connected with pipe link 3 upper ends, can move with seat cylinder piston 8.Seat cylinder piston 8 moves down when being subjected to pressure, and seat cylinder spring 6 up moves when upholding.The center fixation of roof pressure post 9 upper ends and movable seat cushion 11 is inserted in the hole of seat cylinder cap 7, can slide in the hole; The lower end contacts with planar central on the seat cylinder piston 8, can move and lifting with seat cylinder piston 8; Grooved ring 10 is arranged one at the bottom.When chaufeur left movable seat cushion 11, seat cylinder spring 6 was upheld, and promoted seat cylinder piston 8 and moved up, and pull bar 4 clockwise rotates by pipe link 3 pulling turning handles 2, and control cock 1 is closed, and this moment, air receiver 18 can't send pressurized air to energy storing brake device 20.After dying, the pressurized air in the energy storing brake device 20 is bled off by rapid release valve 19, and energy-storaging spring 21 is promptly upheld, and promotes piston 22 and moves right, and piston rod 23 and braking fork 24 also move right simultaneously, make brake strap 26 open brake action.
When car will travel, this car chaufeur opens pin case 16 earlier, stir lock pin 14 again goes out grooved ring 10, take movable seat cushion 11, roof pressure post 9 just descends and promotes a seat cylinder piston 8 and move down, and forces a cylinder spring 6 to shrink, and pull bar 4 stretches out downwards and promotes turning handles 2 by pipe link 3 and rotate counterclockwise, control cock 1 is just opened, air receiver 18 send pressurized air by gas circuit 17 to energy storing brake device 20, and compressing piston 22 drives piston rod 23 and is moved to the left, and energy-storaging spring 21 shrinks.Foot brake pull back spring 25 extensions this moment are moved to the left braking fork 24, and brake strap 26 is a return.When movable seat cushion 11 closed up with pad frame 13, braking was all eliminated.
Figure one is the scheme drawing of such scheme, the situation that the glancing impact of figure reflection is locked.Among the figure: 1 is control cock, 2 is turning handle, 3 is pipe link, 4 is pull bar, 5 is the seat cylinder, 6 is seat cylinder spring, 7 is the seat cylinder cap, 8 is seat cylinder piston, 9 is the roof pressure post, 10 is grooved ring, 11 is movable seat cushion, 12 is operations chair, 13 are the pad frame, 14 is lock pin, 15 is spring, 16 is the pin case, 17 is gas circuit, 18 is air receiver, 19 is rapid release valve, 20 is the energy storing brake device, 21 is energy-storaging spring, 22 is piston, 23 is piston rod, 24 are the braking fork, 25 is the foot brake pull back spring, 26 is brake strap.
First scheme: the embodiment that makes hydraulic braked vehicle with Beijing BJ212 light duty cross-country car. Be described as follows:
Step on brake pedal 33, master cylinder push rod 34 is moved to the left, and master cylinder 35 is about to liquid oil and delivers to the brake cylinder of front and back wheel (not drawing among the figure), makes shoe brake open braking action (not drawing among the figure). The present invention controls brake pedal (design that specifically please refer to original vehicle is selected the control point) according to the action principle of liquid braking device by the safety device for vehicle brake that following parts form, and can realize purpose of the present invention. Push away cylinder 27, push away cylinder piston 28, push away cylinder spring 29, push away cylinder cap 30, pull bar 31, steel wire 32, oil pipe 36, liquid oil 37, seat cylinder 38, seat cylinder piston 39, seat cylinder cap 40, roof pressure post 41, movable seat cushion 43,440 four parts of lock pin form.
Push away the left side that cylinder 27 is installed in the headstock and fix (drawing among the figure), it is fastening by pushing away cylinder cap 30 sealings to be provided with and to push away cylinder piston 28, push away cylinder spring 29, pull bar 31, cylinder mouth in the cylinder. Push away Cylinder spring 29 places and pushes away cylinder cap 30 and push away in the middle of the cylinder piston 28 contraction when pushing away cylinder 27 interior pressure increase, extension when pressure reduces. Pull bar 31 left ends are fixed with the center of circle that pushes away cylinder piston 28, and right-hand member passes from the hole that pushes away cylinder cap 30, can slide in the hole, moves with pushing away cylinder piston 28. Steel wire 32 couples together pull bar 31 and brake pedal 33, and when pull bar 31 was moved to the left, pulling brake pedal 33 clockwise rotated. Seat cylinder 38 is contained in below the operations chair 48, and base is screwed on car bottom plate (drawing among the figure), is provided with a cylinder piston 39 in the cylinder, the cylinder mouth is fastening by 40 sealings of seat cylinder cap. The bottom of roof pressure post 41 has one grooved ring 42, upper end and movable seat cushion 43 centers fastening, inserts from the centre bore of seat cylinder cap 40, and the lower surface contacts with planar central on the cylinder piston 39, can move and lifting with seat cylinder piston 39. Oil pipe 36 is located at and pushes away in the middle of cylinder 27 and the seat cylinder 38, is that two cylinders are communicated with, and liquid oil 37 just can be back and forth in two cylinders. When the driver left movable seat cushion 43, the pressure that pushes away in the cylinder 27 reduced, and pushed away cylinder spring 29 and upheld, and promoted seat cylinder piston 28 and was moved to the left, and pull bar 31 is done clockwise direction by steel wire 32 pulling brake pedals 33 and rotated, and makes whole wheel brakings.
When car will travel, this car driver opened earlier pin case 46, stir lock pin 44 goes out grooved ring 42, takes movable seat cushion 43, and roof pressure post 41 pressurizeds promote a seat cylinder piston and move down, force liquid oil 37 along oil pipes 36 to pushing away cylinder 27 interior flowing. Pushing away cylinder 27 interior liquid oil increases, and pushing away cylinder piston 28 have to move right, and makes to push away 29 contractions of cylinder spring, and pull bar 31 namely stretches out to the right, Brake pedal 33 is return simultaneously, and when movable seat cushion 43 closed up with pad frame 47, braking disappeared.
Accompanying drawing two is schematic diagrames of such scheme, the situation of locking during the braking of figure reaction. Among the figure: 27 for steel wire, 33 for brake pedal, 34 for master cylinder push rod, 35 for master cylinder, 36 for oil pipe, 37 for liquid oil, 38 for a seat cylinder, 39 for a seat cylinder piston, 40 for a seat cylinder cap, 41 for roof pressure post, 42 for grooved ring, 43 for movable seat cushion, 44 for lock pin, 45 for spring, 46 for pin case, 47 for pad frame, 48 are operations chair for pushing away cylinder cap, 31 for pull bar, 32 for pushing away cylinder spring, 30 for pushing away cylinder piston, 29 for pushing away cylinder, 28.
The invention has the advantages that: need only do some changes to operations chair, just can install in the moving safeties of vehicle, can prevent that the driver from parking the Che Shiyin negligence and causing vehicle to slide and get into an accident, also can prevent other people or child's motor-car and get into an accident, can prevent that also the bad person from stealing car.
Claims (2)
1, a kind of safety device for vehicle brake, it is characterized in that: this braking safety device that slides when preventing vehicle parking is made up of control cock 1, pipe link 3, pull bar 4, seat cylinder 5, seat cylinder spring 6, seat cylinder cap 7, seat cylinder piston 8, roof pressure post 9, movable seat cushion 11,140 parts of lock pin, thereby the energy storing brake device of air brake vehicle and movable seat cushion 11 are linked, when chaufeur leaves the seat, can in time replace the driver's operation drg to finish wheel braking.
2, a kind of safety device for vehicle brake, it is characterized in that: this braking safety device that slides when preventing vehicle parking by push away cylinder 27, push away cylinder piston 28, push away cylinder spring 29, push away cylinder cap 30, pull bar 31, steel wire 32, oil pipe 36, liquid oil 37, seat cylinder 38, seat cylinder piston 39, seat cylinder cap 40, roof pressure post 41, movable seat cushion 43,440 four parts of lock pin form, thereby the brake pedal of hydraulic braked vehicle and movable seat cushion 43 are linked, when chaufeur leaves the seat, can in time replace the driver's operation drg to finish wheel braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101304 CN88101304A (en) | 1988-03-11 | 1988-03-11 | Safety device for vehicle brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101304 CN88101304A (en) | 1988-03-11 | 1988-03-11 | Safety device for vehicle brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN88101304A true CN88101304A (en) | 1988-08-24 |
Family
ID=4831701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88101304 Pending CN88101304A (en) | 1988-03-11 | 1988-03-11 | Safety device for vehicle brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN88101304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296827B (en) * | 2005-09-06 | 2011-02-09 | 霍尔德克斯制动产品有限公司 | Braking system |
-
1988
- 1988-03-11 CN CN 88101304 patent/CN88101304A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296827B (en) * | 2005-09-06 | 2011-02-09 | 霍尔德克斯制动产品有限公司 | Braking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |