CN101020455A

CN101020455A - Antilock brake system

Info

Publication number: CN101020455A
Application number: CN 200710038020
Authority: CN
Inventors: 张仁聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-13
Filing date: 2007-03-13
Publication date: 2007-08-22
Anticipated expiration: 2027-03-13
Also published as: CN100415583C

Abstract

The spot releasing antilock brake system consists of a brake body, a shaft combination penetrating the brake body, a driving wheel slide fitting the shaft combination, a spot release wheel on the driving wheel, a brake fork in the spot release site of the spot release wheel, contacting the rim and with a guide tube, and a spring outside the guide tube and between the brake body and the brake fork. The spot releasing antilock brake system is suitable for different kinds of small vehicles.

Description

Antilock brake system

Technical field:

The present invention relates to a kind of actuating mechanism that is used for drg, particularly a kind of be configured on the drg worked the device of employing in the desired location.

Background technology:

Vehicle, especially dilly, as bicycle, mini-motorcycle and motor scooter etc., usually all be with the power of staff grip as braking, its constructional feature is made up of mechanism of brake handle, guy rope or rod member, band brake piece or dish etc., the people holds brake handle, by guy rope or rod member pulling stop mechanism, the wheel rim (or brake disc) that slipper (or dish) is pressed together on wheel is set up lock torque, thereby wheel is stopped the rotation, realize its braking function, reach the purpose of car retardation or parking; Existing these drgs, the common feature of its action is, from sending the overall process that braking instruction (people grips brake handle) finishes to braking maneuver, friction pair (slipper or dish or wheel rim or brake disc) is unexpected pressing contact, in braking procedure, friction pair may produce relative slipping motion, but the application force of control brake piece (or dish) exists all the time, when vehicle when advancing rapidly, the unexpected interlock of friction pair, thus make wheel locking at high speed revolution, the wheel stall, vehicle preshoot or lack of equilibrium slips or side is changeed under effect of inertia, this phenomenon gently then causes the rider to frighten, and is heavy then may cause personal injury or damaged vehicle; In the above-mentioned braking procedure, a pair of friction components is that continuous pressing is to produce lock torque, wheel stall and car produce coast, whole braking procedure is prolonged thereupon, the brake efficiency that is above-mentioned brake mode is relatively poor, when under the emergency state, owing to braking function lowly produces traffic safety hidden danger; Simultaneously, above-mentioned slide relative can be aggravated the softer brake pad of matter in a pair of friction components or the wearing and tearing of dish, thereby shortens its service life; In order to tackle problems such as the long and a pair of friction components of above-mentioned locked, braking distance service life is short, in modern automobile, adopting a kind of brake mode that overcomes these defectives---point is put the formula braking, it is to be interrupted contact with hydraulic pressure or pneumatic power automatic guidance a pair of friction components that its point is put the formula brake system, the structure more complicated of this system, thereby, at dilly, be to apply as bicycle, motor bike etc., but point is put the formula braking, all is the developing direction of its braking technology undoubtedly to any vehicle.

Summary of the invention:

Technical matters to be solved by this invention is, a kind of Antilock brake system is provided, and it can prevent that vehicle from braking and produce deadlock phenomenon in advancing, and can shorten braking procedure, prolong the service life of braking a pair of friction components, and it is simple in structure, can be applicable to various dillies.

The technical scheme that the present invention solves the problems of the technologies described above employing is: Antilock brake system includes drag-line, vehicle frame, wheel and drg, be characterized in that drg includes axle, the braking body, drive wheel, point is put wheel, the braking fork, spring, axle is extended through the braking body, be arranged with drive wheel and be bearing fit on the axle, set firmly on the drive wheel to put a little to take turns and be one, drg contacts the wheel rim of wheel with drive wheel at the braking fork of retarder location, point is put wheel and is put the position at point and hold contact the braking fork that drives block assembly is arranged, the braking fork separates with the wheel rim of wheel, the guide that braking fork sets firmly is equipped with the guide finger that the braking body sets firmly and is bearing fit, the guide outside is arranged with spring, and both ends of the spring has held braking body and braking fork respectively.Glancing impact, hand grips brake handle, through the fixed pivot swing on vehicle body of drag-line pulling drg, drg is to the wheel rim pressing of wheel, this moment, the drive wheel of drg contacted with wheel rim with the braking fork simultaneously, braking fork contact wheel rim produces lock torque, simultaneously, drive wheel drives and rotates through wheel rim, put wheel with the point of its one and rotate thereupon, the point of putting wheel when point is put position (promptly this wheel point is put the maximum radius point of roller formation) and is turned to and put the bottom surface with the point of braking fork and hold when contacting, and puts and puts the wheel compression spring, the braking fork moves along the areal of support of braking body, slipper and wheel rim are in this instantaneous separation, and braking force is released " putting ", and this moment, drive wheel was still in rotation, point is put wheel and is also rotated thereupon, its point is put the point that roller leaves braking fork and is put the bottom surface, and the braking fork holds down still pressing at spring and continues its braking function to wheel rim, the function that device relies on said structure to produce, the brake mode of realization vehicle the best---point is put the formula braking.

The present invention is put wheel construction realization vehicle point with point and is put the formula braking, eliminate the potential safety hazard that wheel locking causes, its interrupted click type a pair of friction components contact, obviously improve braking effect, shorten stopping distance, further improve vehicle safety, also reduce simultaneously the wearing and tearing of a pair of friction components, prolong its service life, the present invention is simple in structure, and is less to the car load cost of manufacture influence of dilly.

Description of drawings:

Fig. 1 is an Antilock brake system scheme drawing of the present invention.

Fig. 2 is that the drg vertical profile is looked scheme drawing among Fig. 1.

Fig. 3 be among Fig. 2 A to view.

Fig. 4 is that Fig. 2 mid point is put the wheel scheme drawing.

Fig. 5 brakes body, braking fork and the local enlarged diagram of spring structure among Fig. 3.

Fig. 6 is a drg body structure scheme drawing among Fig. 2.

Fig. 7 be among Fig. 6 B to view.

The specific embodiment:

With reference to Fig. 1, Antilock brake system, include brake handle, drag-line 1, vehicle frame 2, wheel 3, drg 4, its overall laying is similar with existing structure, and brake handle is through the upper contact of drag-line 1 connection drg 4, and drg 4 lower link points are arranged on the vehicle frame 2, glancing impact, hold brake handle through drag-line 1 from upper contact pulling drg 4 around the lower link point swing, make drg 4 slipper (or dish) but pressing to the wheel rim 31 of wheel 3, realize braking function; Brake handle in the device, drag-line 1, vehicle frame 2, wheel 3 all and existingly comprise that the structure of above-mentioned articulated manner and clamping mode is same or similar; Wherein drg 4 includes axle 41, braking body 42, drive wheel 43, puts and put wheel 44, braking fork 45, spring 46.

Axle 41 is class's formula segmented structure (as Fig. 2), also can be made into an optical axis, and be provided with annular groove at each corresponding fabricated section, be provided with clip in each annular groove, axle 41 two ends are connected with braking body 42 and are flush fit, also but at both ends is fixed on axle 41 on the braking body 42 with being threaded, and the setting of axle 41 also can increase the rigidity of braking body 42 projecting ends except that Transmission is installed.

Braking body 42, be that the main body that drg 4 is respectively formed member is installed, be formed with a JiongZi Xing structure in nearly wheel 3 one sides, shown in Fig. 2,6,7, its front end is provided with two through holes 423, this hole can wear axle 41, omits rear side at through hole 423, and the top is provided with upper plate body 425, there is through hole on upper plate body 425 tops in order to the drag-line 1 that stretches through, the below is provided with lower body 424, and lower body 424 bottoms have through hole to be fixed in the bearing pin of vehicle frame 2 in order to stretch through, and forming drg 4 can be around the hinge-point of this bearing pin swing; Also can be made into upper plate body 426 is only arranged (among Fig. 6 shown in the notional line), be applicable to clipping brake structure; At the oblique plate that overhangs of fixing of JiongZi Xing structure front end, this plate end is stretched downwards and is established a little axle, and little axle head is installed with a plate or a brush of scraping water or mud and constitutes a Windshield Wiper 428, and when drive wheel 43 rotations, scraper plate can be removed dirt on its rim faces 431; The inside bottom surface 427 of JiongZi Xing structure is a smooth flat, can make braking fork 45 do distance slippage successfully along this plane; The JiongZi Xing structure is fixed with a guide finger 422 respectively, shown in Fig. 3,6,7 on the plate body of both sides extension.

Drive wheel 43, be to be set in the circular frictional wheel that axle 41 is placed in drg 42 JiongZi Xing structure inner chambers, drive wheel 43 can be made by engineering plastics, steel or other similar materials, its rim faces 431 contacts with the wheel rim 31 of wheel 3 all the time at glancing impact, big coefficient of friction and abrasion resistant structure need have been made, be circular arc (as Fig. 2) as rim faces 431, rim faces 431 is smooth side or decorative pattern face; Its wheel hub is stepped, puts wheel 44 in order to attachment point, and its center can be provided with axle sleeve 432, this axle sleeve can be made by graphite oilless sintered-metal bearing or wear-resisting engineering plastics, to keep drive wheel 43 to move swimmingly, the following of drive wheel 43 can be equipped with antifriction packing ring 433, to keep its axial location.

Point is put wheel 44, and its through hole 442 is sheathed and is fixed in drive wheel 43 wheel hubs, its structure shown in Fig. 2,3,4, point put wheel 44 and drive wheel 43 because of can adopting fix screw or modes such as set pin, key surely, with keep its can and driven gear 43 be unitary rotation;

Point is put wheel 44 and be can be made into plate-like, the place is provided with one group of pivot pin 441 at the nearly wheel rim of this card, pivot pin 441 can be fixed on and a little put wheel 44, sheathed one rotating point is put roller 440 on each pivot pin 441, the external diameter that point is put roller 440 exposes to the periphery 443 of a little putting wheel 44, what put promptly that roller 440 cylindricals to point puts wheel 44 centers is to put wheel 44 radius greater than point apart from maxim, and this difference apart from maxim and this radius is that slipper is to the gap between the wheel rim 31; Point is put the point that is provided with on the wheel 44, and to put the quantity of roller 440 be 2,4 (as Fig. 4) or more, all is laid in a little to put to take turns 44 circumference, can decide according to vehicle is required; Point is put roller 440 and can be put bottom surface 450 with the point of braking fork 45 and contact, realizes the braking force release of drg 4.

Braking fork 45, shown in Fig. 2,3, lay each Transmission in order to adapt in braking body 42, brake main load-carrying element---it is forked that braking fork 45 can be made into JiongZi Xing, two ends (being the fork end of nearly wheel 3 sides) at fork are respectively arranged with through hole 456, the guide 454 that stretched through in the through hole 456, the convex shoulder of guide 454 ends is to be fastened on through hole 456 outside annular grooves;

Guide 454 is provided with the through hole 455 that runs through, and this through hole 455 guide finger 422 that braking sets firmly on the body 42 that can stretch through is bearing fit, and this structure makes braking fork 45, and the guide fingers 422 of braking bodies 42 can be reciprocating relatively, guarantees the location of braking fork 45 simultaneously again;

The end of guide 454 through holes 455 is provided with thread segment (screw), be rotary with scotch block assembly 451 in this screw, this assembly includes slipper and fixedly the member of slipper is all same or similar with existing structure, be provided with screw rod at fixing member one end of slipper, this screw rod can revolve the thread segment that is located at through hole 455, this structure can be got loose to avoid slipper by jam nut 452 lockings after the adjusting in order to regulate the distance between slipper and relative wheel 3 wheel rims 31; Behind locking scotch block assembly 451, rotatable guide 454 can be positioned at guide 453 on the JiongZi Xing fork body of braking fork 45 to regulate the relative position of slipper and wheel rim by fix screw 453 after the adjusting;

The point of the JiongZi Xing fork body of braking fork 45 is put bottom surface 450, is that the point that braking fork 45 and point are put wheel 44 is put the plane that roller 440 touches, and in order to prolong the service life of product, can be embedded in the contact position on this plane or fixing abrasion resistant metal sheet.

Spring 46, in braking fork 45 JiongZi Xing body both sides, be arranged with a spring 46 respectively in guide 454 outsides, spring 46 1 ends hold two ends at braking fork 45, the other end of spring 46 holds in braking body 42 both sides and extends on the plate body, and in the outside of guide finger 422.

Glancing impact, hold brake handle, upper plate body 425 through drag-line 1 pulling braking body 42, make of the hinge-point swing of whole drg 4 around its lower body 424, drg 4 is to wheel 3 pressings, scotch block assembly 451 on its braking fork 45 contacts with wheel 3 wheel rims 31, can produce lock torque, simultaneously, the drive wheel 43 of drg 4 also contacts with wheel 3 wheel rims 31, and rotation under wheel 3 drives, the point that is one with drive wheel 43 is put also rotation thereupon of wheel 44, when point put wheel 44 point put the bottom surface 450 of roller 440 and braking fork 45 when holding with compression spring 46, braking fork 45 is under the guiding of guide finger 422 and guide 454, move to braking body 42 laterals, its scotch block assembly 451 separates with wheel 3 wheel rims 31, braking force is " release " state, at this moment, drive wheel 43 is rotation under wheel rim 31 drives still, point is put wheel 44 and is also rotated thereupon, its point is put the bottom surface 450 that roller 440 also leaves braking fork 45 thereupon, braking fork 45 holds down in spring 46 restoring forces, still " pressing " is to wheel 3 wheel rims 31, continue its braking function, above-mentioned " release " and " pressing " action is circulation constantly in the braking overall process, thereby the realization point is put formula braking---the best brake mode of compact car.

Above-mentioned point is put formula braking, " releases " number of times that its wheel 3 whenever rotates a circle and produces, and to put roller 440 quantity relevant with the point that drive wheel 43 diameters, point are put wheel 44, can do the selection of the best, in the hope of realizing good braking function according to the characteristics of various vehicles.

Claims

1, a kind of Antilock brake system includes drag-line, vehicle frame, wheel and drg, it is characterized in that:

A. drg (4) includes axle (41), braking body (42), drive wheel (43), puts and put wheel (44), braking fork (45), spring (46);

B. axle (41) is extended through braking body (42);

C. be arranged with drive wheel (43) on the axle (41), and be bearing fit;

D. fixedly install on the drive wheel (43) and put wheel (44) a little and be one;

E. drg (4) contacts the wheel rim (31) of wheel (3) with drive wheel (43) at the braking fork (45) of retarder location;

F. put wheel (44) and put the position at point and hold the braking fork (45) that contact has band brake block assembly (451), the wheel rim (31) of braking fork (45) and wheel (3) separates;

G. the guide (454) that sets firmly of braking fork (45) is equipped with the guide finger (422) that braking body (42) sets firmly and is bearing fit, and guide (454) outside is arranged with spring (46).

H. spring (46) two ends have held braking body (42) and braking fork (45) respectively.

2, Antilock brake system according to claim 1 is characterized in that the through hole (423) of axle (41) and braking body (42) is flush fit or fixing.

3, Antilock brake system according to claim 1 is characterized in that the fitting surface of axle (41) and drive wheel (43) is provided with antifriction axle sleeve (432).

4, Antilock brake system according to claim 1 is characterized in that a little putting wheel (44) and is provided with and a little puts roller (440), and the quantity that point is put roller (440) is at least 2.

5, Antilock brake system according to claim 1 is characterized in that the rim faces (431) of drive wheel (43) is circular arc, and rim faces (431) is smooth side or decorative pattern face.

6, Antilock brake system according to claim 1 is characterized in that guide (454) end of braking fork (45) is provided with screw, is installed with scotch block assembly (451) in this screw.

7, Antilock brake system according to claim 1 is characterized in that braking and is installed with a Windshield Wiper (428) on the body (42).