CN2455558Y - Anti-lock device for automotive hydraulic multistage brake - Google Patents
Anti-lock device for automotive hydraulic multistage brake Download PDFInfo
- Publication number
- CN2455558Y CN2455558Y CN 00267113 CN00267113U CN2455558Y CN 2455558 Y CN2455558 Y CN 2455558Y CN 00267113 CN00267113 CN 00267113 CN 00267113 U CN00267113 U CN 00267113U CN 2455558 Y CN2455558 Y CN 2455558Y
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- China
- Prior art keywords
- spring
- outer piston
- cavity
- housing
- inner chamber
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- Expired - Fee Related
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Abstract
The utility model discloses an anti-lock device for an automotive hydraulic multistage brake. The device is directly installed in an automotive hydraulic braking system. A piston is moved to and fro by hydraulic pressure, and the contraction and the expansion of a spring are continuous. Therefore, a braking calipers and a braking disc always stay in the zero interfacial point between locking and locking prevention. Continuous point braking is carried out to wheels, the wheels are kept in the controllable direction, and the side slip phenomenon does not happen. The anti-lock efficiency of the utility model is high, and the service life is long.
Description
The utility model relates to a kind of hydraulic brake system, especially relates to a kind of multistage hydraulic brake anti-blocking system that is used for automobile.
The anti-blocking brake system of automobile is called for short the ABS system at present.Adopting the ABS system at present is the electronic induction system, but this kind electro anti-lock device complex structure, the cost height.The applicant's patent ZL98224735.4 discloses a kind of vehicle hydraulic braking anti-blocked device, comprise housing, oil-feed duct and fuel-displaced duct, continuous convergent-divergent effect by spring, piston, make the interior pressure of wheel cylinder be in the zero boundary point of locking and not locking all the time, wheel is carried out continuity point to be stopped, make wheel keep controllable direction, do not break away.This utility model is directly installed in the hydraulic braking system for automobile, obviously shortens the automobile brake distance, has improved braking performance of vehicle, has also prolonged the work life of parts such as wheel, shoe plate simultaneously.
In actual applications, high-powered automobiles produces sizable hydraulic pressure when brake, the spring of above-mentioned vehicle hydraulic braking anti-blocked device may be lost efficacy after using the long period, thereby reduce service life.
The purpose of this utility model is to provide the multistage hydraulic brake anti-blocking system for automobile of a kind of efficient anti-lock, long service life.
The technical solution adopted in the utility model is:
Multistage hydraulic brake anti-blocking system for automobile, comprise housing, two groups of oil-feed ducts and fuel-displaced duct, the oil-feed duct is communicated with the automobile brake master cylinder, fuel-displaced duct communicates with automobile front and rear wheel brake cylinder respectively, be provided with two groups of separate inner chambers in the housing, outer piston is housed in the inner chamber, on the outer piston front end oil sealing is housed, oil sealing and inner chamber chamber wall are airtight, outer piston, oil sealing with inner chamber be separated into the inner chamber of oil-feed hole link anterior and with the inner chamber middle part and the inner chamber rear portion of fuel-displaced hole link; The inner chamber rear portion is provided with an end and matches with outer piston, and the spring housing that the other end and housing are fixing is provided with spring perch in the spring housing, and spring perch and outer piston aft end face are fixed; Described outer piston inside is provided with cavity, and the outer piston top has aperture that cavity and inner chamber front portion are communicated with, and the middle part of outer piston is provided with intercommunicating pore makes cavity be communicated with the inner chamber middle part, is provided with inner carrier in the cavity of outer piston, and inner carrier is divided into ante-chamber and back cavity with cavity; Described ante-chamber is established a cavity oral area, and steel ball is equipped with in cavity oral area the place ahead, and steel ball has the diameter of sealing the cavity oral area, steel ball by spring top clamping on inner carrier; In the described back cavity spring is housed, spring one end holds out against on the afterbody of piston, and the other end is fixed by set screw and spring perch, and the another side and the compression spring of spring perch offset, and the other end housing of compression spring offsets.
Compression spring is fixed by the dual and cap of pressure regulating screw and fixing spring cover.
Adopt the seal with elastometic washer of O type between described spring housing and housing.
Described spring housing and outer piston fitting surface adopt the sealing of rectangular rubber circle.
The utility model can be directly installed in the hydraulic braking system for automobile, utilizes originally in oil pipe, installs very convenient.When the traveling automobile emergency braking, the hydraulic oil of master brake cylinder and consequent hydraulic coupling enter housing inner chamber front portion by oil inlet, oil-feed duct, enter the inside ante-chamber of outer piston by outer piston top aperture, arrive the inner chamber middle part by intercommunicating pore after crossing the cavity oral area, go into fuel-displaced duct, through oil outlet pipe hydraulic oil is sent to the forward and backward brake cylinder of automobile, makes brake clamp embrace brake disc by stop mechanism and make wheel braking.At this moment, the hydraulic pressure that is transmitted by master brake cylinder acts on the outer piston simultaneously, make holding out against on the spring perch of spring housing inner chamber of outer piston aft end face, but because the precompressed compression that the compression spring in the spring housing inner chamber is set equals or is slightly larger than maximum effect pressure in the outer piston, so the compression spring of spring housing inner chamber is failure to actuate; The hydraulic pressure that is sent to ante-chamber when master brake cylinder surpass this device setting make brake clamp and brake disc by the maximum working pressure (MWP) of locking the time, effect by inner carrier, promoting inner carrier moves backward, meanwhile, the steel ball that is contained in ante-chamber is under spring and super high pressure hydraulic combined action, the cavity oral area is shut, brake noise no longer enters brake cylinder, simultaneously the hydraulic pressure difference of ante-chamber setting acts on the piston nose face in the hydraulic pressure that is transmitted by master brake cylinder and the outer piston, make the whole generation of piston displacement, hold out against spring perch by outer piston rear portion end face, compression spring is shunk; Simultaneously, brake clamp and the brake disc instantaneous pressure that high friction force is produced during by locking, be delivered on the piston by brake cylinder, the back cavity inner spring is shunk, brake cylinder hydraulic cavities inner high voltage discharges, turn a wheel, the bounce combined action of compression spring in back cavity inner spring and the spring housing simultaneously, piston is pushed back, steel ball leaves the cavity oral area, the hydraulic oil of master brake cylinder and consequent hydraulic coupling are sent to the forward and backward brake cylinder of automobile again, make brake clamp embrace brake disc by stop mechanism and make wheel braking.What produce like this moves in circles, and the continuous convergent-divergent of spring makes the zero boundary point that is in locking and not locking between brake clamp and brake disc all the time, wheel is carried out continuity point stop, and makes wheel keep controllable direction, does not break away.
Oil circuit of the present utility model is provided with rationally unobstructed, and brake safe is reliable.Whole device design is ingenious, compact conformation, long service life.Multistage hydraulic brake anti-blocking system is installed in automobile, has not only been improved the deceleration and stopping performance of car load, prolonged the work life of parts such as motor tire, brake clamp, brake disc simultaneously.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
As shown in the figure, multistage hydraulic brake anti-blocking system for automobile, comprise housing 20, oil-feed duct P and fuel-displaced duct Q, oil-feed duct P is communicated with the automobile master cylinder by oil inlet 1, before fuel-displaced duct Q passes through oil outlet pipe 2 and automobile, rear braking subpump communicates, two separate inner chambers establishing in the housing 20, with in the inner chamber that described oil-feed duct P is communicated with outer piston 13 is housed, oil sealing 5 is housed on the outer piston front end, oil sealing and inner chamber D chamber wall are airtight, outer piston 13, oil sealing 5 is separated into inner chamber middle part D and the inner chamber rear portion G that the anterior A of the inner chamber that is communicated with oil-feed duct P and fuel-displaced duct Q are communicated with inner chamber; Inner chamber rear portion G is provided with an end and matches with outer piston 13, and the spring housing 19 that the other end and housing are fixing is provided with spring perch 15 in the spring housing 19, and spring perch 15 is fixed with outer piston 13 aft end faces.
Described outer piston 13 inside are provided with cavity C, outer piston 13 tops have aperture that the anterior A of cavity C and inner chamber is communicated with, the middle part of outer piston 13 is provided with intercommunicating pore H makes cavity C be communicated with inner chamber middle part D, be provided with inner carrier 8 in the cavity C of outer piston 13, have oil sealing 7 on the inner carrier 8, oil sealing 7 is divided into ante-chamber B, lumen E and back cavity F with cavity C.
Described ante-chamber B establishes a cavity oral area, steel ball 6 is equipped with in cavity oral area the place ahead, steel ball 6 has the diameter of sealing the cavity oral area, and steel ball 6 holds out against on the top of inner carrier 8 by cone-shaped spring 4, and cone-shaped spring 4 other ends are fixed by the plug screw silently 3 and the inner top surface of the cavity C of outer piston 13.
Spring 10 is housed in the back cavity F, spring 10 1 ends hold out against on the afterbody 9 of piston 8, the other end is fixing with spring perch 15 by set screw 14, the another side of spring perch 15 and compression spring 16 offset, and the other end of compression spring 16 is fixing with the dual and cap 18 of fixing spring cover 19 by pressure regulating screw 17.
20 of spring housing 19 and housings adopt 12 sealings of O type rubber ring, spring housing 19 anterior and outer piston 13 fitting surfaces employing rectangular rubber circle 11 sealings.
When the traveling automobile emergency braking, the hydraulic oil of master brake cylinder and consequent hydraulic coupling enter the anterior A of housing inner chamber by oil inlet 1, oil-feed duct P, enter the inside ante-chamber B of outer piston 13 by outer piston 13 top apertures, pass through intercommunicating pore H to inner chamber middle part D after crossing the cavity oral area, go into fuel-displaced duct Q, through oil outlet pipe 2 hydraulic oil is sent to the forward and backward brake cylinder of automobile, makes brake clamp embrace brake disc by stop mechanism and make wheel braking.At this moment, the hydraulic pressure that is transmitted by master brake cylinder acts on the outer piston 13 simultaneously, make holding out against on the spring perch 15 of spring housing 19 inner chambers of outer piston 13 aft end faces, but because the precompressed compression that the compression spring 16 in spring housing 19 inner chambers is set equals or is slightly larger than maximum effect pressure in the outer piston, so the compression spring 16 of spring housing inner chamber is failure to actuate; The hydraulic pressure that is sent to ante-chamber when master brake cylinder surpass this device setting make brake clamp and brake disc by the maximum working pressure (MWP) of locking the time, effect by inner carrier 13, promoting inner carrier 13 moves backward, meanwhile, the steel ball that is contained in ante-chamber B is under spring and super high pressure hydraulic combined action, the cavity oral area is shut, brake noise no longer enters brake cylinder, simultaneously the hydraulic pressure difference of ante-chamber B settings acts on the piston nose face in the hydraulic pressure that is transmitted by master brake cylinder and the outer piston 13, make outer piston 13 whole generation displacements, hold out against spring perch 15 by outer piston 13 rear portion end faces, compression spring 16 is shunk; Simultaneously, brake clamp and the brake disc instantaneous pressure that high friction force is produced during by locking, be delivered on the piston 8 by brake cylinder, back cavity F inner spring 10 is shunk, brake cylinder hydraulic cavities inner high voltage discharges, turn a wheel, the bounce combined action of compression spring 16 in back cavity inner spring 10 and the spring housing 19 simultaneously, piston 8 is pushed back, steel ball 6 leaves the cavity oral area, the hydraulic oil of master brake cylinder and consequent hydraulic coupling are sent to the forward and backward brake cylinder of automobile again, make brake clamp embrace brake disc by stop mechanism and make wheel braking.What produce like this moves in circles, and the continuous convergent-divergent of spring makes the zero boundary point that is in locking and not locking between brake clamp and brake disc all the time, wheel is carried out continuity point stop, and makes wheel keep controllable direction, does not break away.
Claims (4)
1. multistage hydraulic brake anti-blocking system for automobile, comprise housing (20), two groups of oil-feed ducts (P) and fuel-displaced duct (Q), oil-feed duct (P) is communicated with the automobile master cylinder by oil inlet (1), fuel-displaced duct (Q) by oil outlet pipe (2) respectively with automobile before, rear braking subpump communicates, it is characterized in that: be provided with two separate inner chambers in the housing (20), outer piston (13) is housed in the inner chamber, oil sealing (5) is housed on the outer piston front end, oil sealing and inner chamber chamber wall are airtight, outer piston (13), oil sealing (5) is separated into the inner chamber middle part (D) and inner chamber rear portion (F) that the inner chamber front portion (A) that is communicated with oil-feed duct (P) and fuel-displaced duct (Q) are communicated with inner chamber; Inner chamber rear portion (F) is provided with an end and matches with outer piston (13), and the spring housing (19) that the other end and housing (20) are fixing is provided with spring perch (15) in the spring housing (19), and spring perch (15) is fixed with outer piston (13) aft end face; Described outer piston (13) inside is provided with cavity (C), outer piston (13) top has aperture that cavity (C) is communicated with inner chamber front portion (A), the middle part of outer piston (13) is provided with intercommunicating pore (H) makes cavity (C) be communicated with inner chamber middle part (D), be provided with inner carrier (8) in the cavity (C) of outer piston (13), oil sealing (7) is housed on the inner carrier (8), and oil sealing (7) is divided into ante-chamber (B), lumen (E) and back cavity (F) with cavity (C); Described ante-chamber (B) is established a cavity oral area, steel ball (6) is equipped with in cavity oral area the place ahead, steel ball (6) has the diameter of sealing the cavity oral area, steel ball (6) holds out against on the top of inner carrier (8) by cone-shaped spring (4), and the inner top surface of the cavity (C) of cone-shaped spring (4) other end and outer piston (13) is fixed; Spring (10) is housed in the described back cavity (F), spring (10) one ends hold out against on the afterbody (9) of piston (8), the other end and spring perch (15) are fixing, and the another side of spring perch (15) and compression spring (16) offset, and the other end of compression spring (16) and housing (20) are fixing.
2. a kind of multistage hydraulic brake anti-blocking system for automobile according to claim 1 is characterized in that: described spring housing (19) is fixed with housing (20) by dual and cap (18).
3. a kind of multistage hydraulic brake anti-blocking system for automobile according to claim 1 is characterized in that: described compression spring (16) is fixed by pressure regulating screw (17) and dual and cap (18).
4. a kind of multistage hydraulic brake anti-blocking system for automobile according to claim 1, it is characterized in that: adopt O type rubber ring (12) sealing between spring housing (19) and housing (20), spring housing (19) is anterior to adopt rectangular rubber circle (11) sealing with outer piston (13) fitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00267113 CN2455558Y (en) | 2000-12-12 | 2000-12-12 | Anti-lock device for automotive hydraulic multistage brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00267113 CN2455558Y (en) | 2000-12-12 | 2000-12-12 | Anti-lock device for automotive hydraulic multistage brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2455558Y true CN2455558Y (en) | 2001-10-24 |
Family
ID=33621028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00267113 Expired - Fee Related CN2455558Y (en) | 2000-12-12 | 2000-12-12 | Anti-lock device for automotive hydraulic multistage brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2455558Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585151A (en) * | 2016-07-07 | 2018-01-16 | 制动力体有限责任公司 | pressure regulator for ABS system |
| CN107585150A (en) * | 2016-07-07 | 2018-01-16 | 制动力体有限责任公司 | pressure regulator for ABS system |
| CN114889571A (en) * | 2022-05-13 | 2022-08-12 | 中国十七冶集团有限公司 | Brake control device of fan transport trailer |
-
2000
- 2000-12-12 CN CN 00267113 patent/CN2455558Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585151A (en) * | 2016-07-07 | 2018-01-16 | 制动力体有限责任公司 | pressure regulator for ABS system |
| CN107585150A (en) * | 2016-07-07 | 2018-01-16 | 制动力体有限责任公司 | pressure regulator for ABS system |
| CN114889571A (en) * | 2022-05-13 | 2022-08-12 | 中国十七冶集团有限公司 | Brake control device of fan transport trailer |
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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 |