CN2363927Y - Antiblocking device for hydraulic brake of car - Google Patents
Antiblocking device for hydraulic brake of car Download PDFInfo
- Publication number
- CN2363927Y CN2363927Y CN 98224735 CN98224735U CN2363927Y CN 2363927 Y CN2363927 Y CN 2363927Y CN 98224735 CN98224735 CN 98224735 CN 98224735 U CN98224735 U CN 98224735U CN 2363927 Y CN2363927 Y CN 2363927Y
- Authority
- CN
- China
- Prior art keywords
- oil
- car
- piston rod
- spring
- braking
- Prior art date
- 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 Arrangements (AREA)
Abstract
The utility model discloses an antiblocking device for a hydraulic brake of a car, which comprises a shell body, an oil inlet pore canal, and an oil outlet pore canal. The internal pressure of a braking branch pump is always lain in the zero interfacial point between locking operation and unlocking operation via the continuous contraction and expansion action of a spring and a piston. Continuous spot braking to wheels is carried out, and the wheels are kept in the controllable direction, and the side slip phenomenon does not happen. The utility model is directly installed in a hydraulic brake system of a car, and the braking distance of the car is obviously shortened. The braking performance of the whole car is improved, and at the same time, the service life of the components also are lengthened such as the wheels, the shoe plates, etc.
Description
The utility model relates to a kind of mechanical-hydraulic brake equipment, especially relates to a kind of vehicle hydraulic braking anti-blocked device.
The present hydraulic brake system of general-utility car, generally be by braking force by master cylinder, be delivered to four brake cylinders and play car retardation and parking.When emergency brake, chaufeur meeting Pedalling is because brake-pressure increases suddenly, cause locking unequal before and after the automobile four wheels, vehicle produced break away, can not controlling party to, especially on moist road surface, mire and sand-gravel surface, travel, very easily have an accident.On the import high-grade car, adopted the method that installs electro anti-lock device additional to remedy at present.Electro anti-lock device is to be applied to the too much hydraulic pressure of wheel cylinder by electronics package induction, and the vena contracta that can produce per second 8-15 time dashes, and helps the vehicle straight line to slow down, and reduces sideslip.But this electro anti-lock device is made up of a considerable amount of machineries and electronic component, electro anti-lock device expense costliness is installed, technical sophistication.
The purpose of this utility model is to provide a kind of vehicle hydraulic braking anti-blocked device of simple in structure, cheap, easy for installation, superior performance.
The purpose of this utility model is achieved in that vehicle hydraulic braking anti-blocked device, comprise housing, oil-feed duct and fuel-displaced duct, the oil-feed duct is communicated with automobile brake general pump, fuel-displaced duct communicates with the braking automobile wheel cylinder, with in the inner chamber of described oil-feed hole link piston rod is housed, oil sealing is housed on the piston rod, and oil sealing and inner chamber chamber wall are airtight, and oil sealing is separated into ante-chamber and disconnected back cavity with the oil-feed hole link with inner chamber; In the described ante-chamber steel ball is housed, steel ball has the diameter of sealing the cavity oral area up for safekeeping, steel ball by spring top clamping on piston rod; In the described back cavity spring is housed, spring top clamping is on the other end of piston rod; Described oil sealing closely cooperates by the shaft shoulder and piston rod; Storing the oil cylinder inner spring can be by the adjustable bolt adjustment.
The utility model is directly installed in the hydraulic braking system for automobile, obviously shortens the automobile brake distance, under sleet sky and traffic environment harsh conditions, can effectively prevent sideslip, whipping phenomenon that vehicle takes place in braking.When emergency brake of vehicle, still can control direction of traffic, these advantages are particularly evident when running at high speed.Vehicle hydraulic braking anti-blocked device is installed, has not only been improved braking performance of vehicle, but also prolong the work life of parts such as motor tire, shoe plate.
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is a structure cutaway view of the present utility model;
Fig. 2 is a vehicle hydraulic braking anti-blocked device oil circuit scheme drawing shown in Figure 1.
As shown in the figure, the utility model comprises and is provided with oil-feed duct 2 and fuel-displaced duct 3 in housing 1, the housing 1, and oil-feed duct 2 links to each other with automobile brake general pump, and fuel-displaced duct 3 is communicated with the braking automobile wheel cylinder; Housing 1 is provided with the inner chamber that communicates with oil-feed duct 2, is provided with piston rod 5 in the inner chamber, and oil sealing 6 is housed on the piston rod 5, oil sealing 6 is airtight with inner chamber chamber wall, and closely cooperate by the shaft shoulder 10 and piston rod 5, inner chamber is divided into disconnected ante-chamber 4 and back cavity 9 two parts, ante-chamber 4 is communicated with oil-feed duct 2; Steel ball 11 is housed in the ante-chamber 4; Steel ball 11 holds out against on piston rod 5 by spring 12, and spring 7 is housed in the back cavity 9, and an end of spring 7 holds out against on piston rod 5, and the other end and adjustable bolt 8 join.。
The utility model is directly installed on the oil outlet of automobile brake master cylinder, and brake solution is by oil-feed duct 2, inner chamber, and fuel-displaced duct 3 transfers the pressure to brake cylinder.The adjustment of the selected and adjustable bolt 8 by spring stiffness makes two springs keep balance under specific pressure.When the driving vehicle emergency braking, the brake solution of master brake cylinder enters inner chamber, be delivered to the braking automobile wheel cylinder, wheel is slowly embraced, hydraulic pressure surpasses that device sets when making wheel by the pressure of locking, the combined action of spring 12 and hydraulic pressure promotes piston rod 5 makes steel ball 11 that the cavity oral area is sealed, and brake solution does not enter brake cylinder.After this, the wheel instantaneous pressure that high friction force is produced during by locking is reacted on the steel ball 11, and the effect of the spring 7 in this high pressure and the back cavity 9 pushes back piston rod 5, and high pressure discharges, and wheel unclamps.Under action of hydraulic force, by the convergent-divergent that two springs carry out continuously, make the zero boundary point that pressure is in locking and locking all the time in the wheel cylinder, wheel is carried out continuity point stop, make wheel keep controllable direction, do not break away.
Claims (3)
1. vehicle hydraulic braking anti-blocked device, comprise and be provided with oil-feed duct (2) and fuel-displaced duct (3) in housing (1), the housing (1), oil-feed duct (2) links to each other with automobile brake general pump, fuel-displaced duct (3) is communicated with the braking automobile wheel cylinder, it is characterized in that: be provided with piston rod (5) in the inner chamber that housing (1) is interior with oil-feed duct (2) communicate; Oil sealing (6) is housed on the piston rod (5), and oil sealing (6) is airtight with inner chamber chamber wall, and inner chamber is divided into disconnected ante-chamber (4) and back cavity (9) two parts; Described ante-chamber (4) is communicated with oil-feed duct (2), and steel ball (11) is housed in the ante-chamber (4); Steel ball (11) holds out against on piston rod (5) by spring (12); Spring (7) is housed in the described back cavity (4), and an end of spring (7) holds out against on piston rod (5).
2. vehicle hydraulic braking anti-blocked device according to claim 1 is characterized in that, the other end and the adjustable bolt (8) of the spring (7) in the described back cavity (4) join.
3. vehicle hydraulic braking anti-blocked device according to claim 1 is characterized in that, described oil sealing (6) closely cooperates by the shaft shoulder (10) and piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98224735 CN2363927Y (en) | 1998-07-31 | 1998-07-31 | Antiblocking device for hydraulic brake of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98224735 CN2363927Y (en) | 1998-07-31 | 1998-07-31 | Antiblocking device for hydraulic brake of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2363927Y true CN2363927Y (en) | 2000-02-16 |
Family
ID=33975548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98224735 Expired - Fee Related CN2363927Y (en) | 1998-07-31 | 1998-07-31 | Antiblocking device for hydraulic brake of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2363927Y (en) |
-
1998
- 1998-07-31 CN CN 98224735 patent/CN2363927Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |