CN100484810C

CN100484810C - Double-antilock spot-releasing brake device

Info

Publication number: CN100484810C
Application number: CNB2007100380212A
Authority: CN
Inventors: 张仁聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-13
Filing date: 2007-03-13
Publication date: 2009-05-06
Anticipated expiration: 2027-03-13
Also published as: CN101020456A

Abstract

The spot releasing double antilock brake system consists of a brake body, a front shaft and a rear shaft penetrating the brake body, a driving wheel with driving gear and around the front shaft, a driven gear meshed with the driving gear and on the rear shaft, a spot release wheel on the driven gear, a brake fork in the spot release site of the spot release wheel, contacting the wheel and with a guide tube, and a spring outside the guide tube and between the brake body and the brake fork. The spot releasing double antilock brake system is suitable for different kinds of small vehicles.

Description

Two Antilock brake systems

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, motor bike or the like, normally with the power of staff grip as braking, its constructional feature is made up of the machinery of brake handle, guy rope or rod member, band brake piece or brake disc etc., people's hand brake handle, through 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 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 (gripping brake handle as the people) 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 slippage, but because braking force exists all the time, when vehicle is advanced rapidly, the unexpected interlock of friction pair, thus make the wheel locking of 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 low, when under emergency, because the braking function difference also can produce 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 friction of dish, thereby shortens its service life; On modern automobile, in order to solve technical matterss such as the long and product of above-mentioned locked, braking distance service life is short, adopting a kind of brake mode that overcomes these defectives---point is put the formula braking, be that a pair of friction components is and a little puts formula contact in the braking procedure, this brake system is with hydraulic pressure or pneumatic power automatic guidance a pair of friction components intermittent engagement, though this system braking effect is splendid, but structure more complicated, thereby be to apply on dilly, obviously, point is put the formula braking, undoubtedly for any vehicle, all is the developing direction of its braking technology.

Summary of the invention:

Technical matters to be solved by this invention is, a kind of pair of Antilock brake system is provided, and it can prevent that vehicle from producing deadlock phenomenon in braking procedure, and can shorten braking procedure, prolong the service life of members such as a pair of friction components, and can enlarge wheel revolutions one all mid points and put the number of times selectable range.

The technical scheme that the present invention solves the problems of the technologies described above employing is: two Antilock brake systems include drag-line, vehicle frame, wheel and drg, be characterized in: drg includes front axle, the braking body, drive wheel, point is put wheel, the braking fork, spring, rear axle, driven gear and driving gear, before, rear axle is extended through the braking body respectively, be arranged with drive wheel on the front axle and be bearing fit, be installed with driving gear on the drive wheel, be arranged with on the rear axle with driving gear ingear driven gear and be bearing fit, set firmly on the driven gear and put wheel a little, 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, both ends of the spring has held braking body and braking fork respectively, pull moving drag-line glancing impact, drive wheel contacts and drives with wheel rim a little puts the wheel rotation, putting a time point at point puts the point of wheel and puts the braking fork bottom surface that roller holds the band brake block assembly, the point that point is put wheel is put roller and is not held when braking fork bottom surface, and the scotch block assembly of braking fork contacts with wheel rim.Glancing impact, drg is to the wheel rim pressing of wheel, its drive wheel contacts 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, the point that is one through gear pair and flower wheel is put wheel and is rotated thereupon, the point of putting wheel when point is put roller and is turned to and put the bottom surface with the point of braking fork and hold and contact, and compression spring, braking fork moves along the areal of support of braking body, and slipper and wheel rim are in this instantaneous separation, and braking force is released " putting ", and drive wheel is still in rotation, point is put wheel and is also rotated thereupon, and its point is put the point that roller leaves the braking fork and put the bottom surface, and the braking fork holds in the spring restoring force and still presses to wheel rim down, continue its braking function, device relies on said structure realization point to put formula braking.

The present invention is put wheel construction realization vehicle point with point and is put the formula braking, can eliminate the locked potential safety hazard that causes of wheel braking, 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, the present invention simultaneously participates in gear pair a little puts the wheel transmission, device is put at the point of selecting wheel whenever to rotate a circle had the double selection factor in the number of times, promptly change point and put the double selection that the point of wheel is put roller number and gear multiplication, thus the Applicable scope of expansion instrument.

Description of drawings:

Fig. 1 is the two Antilock brake system scheme drawings 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, two Antilock brake systems, include drag-line 1, vehicle frame 2, wheel 3 and drg 4, its overall laying is similar with existing structure, and brake handle connects drg 4 through drag-line 1, and the lower link point of drg 4 (or fulcrum) is installed on the vehicle frame 2, glancing impact Shou Pinch brake handle is through drag-line 1 pulling drg 4, makes the slipper (or dish) of drg 4 press to the wheel rim of wheel 3, realizes braking function; Drg 4 in the device includes front axle 41, braking body 42, drive wheel 43, puts and put wheel 44, braking fork 45, spring 46, rear axle 47, driven gear 48 and driving gear 49.

Front axle 41 is class's formula segmental structures (as Fig. 2), also can be made into an optical axis, front axle 41 two ends are connected with braking body 42 and are flush fit, also but at both ends is fixed on front axle 41 on the braking body 42 to be threaded, front axle 41 can be provided with clip 411, in order to the axial location of Transmission, front 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, on this structure, offer two groups of through holes 423, wear forward and backward

axle

41,47 respectively, be provided with upper plate body with holes 425 in the structure back side top, this hole connects drag-line 1, and its below is provided with lower body with holes 424, this hole stretches through and is fixed in the bearing pin of vehicle frame 2, and forming drg 4 can be around the hinge-point of its 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; Front upper place in the JiongZi Xing structure, comply with the direction of drive wheel 43 rotations, be installed with a Windshield Wiper 428, its structure is: at the oblique plate that overhangs that sets firmly of JiongZi Xing structure front end, this plate end is stretched downwards and is established a little axle, little axle head is installed with a scraper plate or brush, and when drive wheel 43 rotations, scraper plate or brush 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 rear end of JiongZi Xing structure is extended with plate body to both sides, is fixed with a guide finger 422 respectively on the plate body of both sides, shown in Fig. 3,6,7.

Drive wheel 43, be to be set in the circular frictional wheel that front axle 41 is placed in drg 45 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 of wheel 3 all the time at glancing impact, need make the abrasion resistant structure of big coefficient of friction, its rim faces 431 is made and is circular arc (as Fig. 2), and rim faces 431 can be smooth side or is the surface of decorative pattern shape; The wheel hub of drive wheel 43 is stepped, in order to driving gear 49 to be installed, its center can be provided with the first antifriction 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, drive wheel can be equipped with clip 411 43 times, to keep its axial location.

Point is put wheel 44, is sheathed and be fixed in the Transmission of driven gear 48 with its through hole 442, and its structure is shown in Fig. 2,3,4, and it is fixing can to adopt fix screw or modes such as set pin, key, keep its can and driven gear 48 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 451 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, and evenly be laid on the circumference of a little putting wheel 44, and this quantity can be selected according to vehicle needs; Put bottom surface 450 with the point of braking fork 45 when point is put roller 440 work and contact, realize that the braking force of drg 4 is released " putting ".

Braking fork 45, shown in Fig. 2,3, lay each Transmission in order to adapt in braking body 42, braking main load-carrying element braking fork 45, to can be made into JiongZi Xing forked, two ends (being the fork end of nearly wheel 3 one sides) at fork are respectively arranged with through hole 456 (as Fig. 5), 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 system 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, assembly 451 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 regulated the back with the jam nut locking in order to regulate the distance between slipper and relative wheel 3 wheel rims, gets loose to avoid slipper; Behind locking scotch block assembly 451, rotatable guide 454 is kept its best pressing position to regulate the relative position of slipper and wheel 3 wheel rims 31, can guide 453 is positioned on the JiongZi Xing fork body of braking fork 45 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 is the life-span that prolongs 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, is arranged with a spring 46 respectively in guide 454 outsides, spring 46 1 ends hold two ends at braking fork 45, its other end holds in braking body 42 both sides and extends on the plate body, and is positioned at the outside of guide finger 422, shown in Fig. 3,5.

Rear axle 47 is class's formula segmental structures (as Fig. 2), also can be made into optical axis, and its structure is similar with front axle 41, and rear axle 47 and driven gear 48 cooperate, and can establish antifriction packing ring 471 to keep the axial location of gear.

Gear pair is made up of driving gear 49 and driven gear 48 engagements, and driving gear 49 is the sheathed drive wheels 43 that are fixed on, and driven gear 48 is set in rear axle 47 and is bearing fit, also can be provided with the second antifriction axle sleeve 481, and its structure and material is identical with axle sleeve 432;

The setting of gear pair, it is one of important technology feature of the present invention, put the structural analysis of wheel 44 from point, it is limited that its point is put the quantity variable range of roller 440, be that point that wheel whenever rotates a circle is put the number of times receptor site and put wheel 44 structural limitations, selectable range is less, after adding gear transmission, the change of gear pair transmitting ratio also changes wheel and whenever rotates a circle and a little put number of times, but this moment the brake equipment selected element to put sub-quantity be the product that point is put roller 440 numbers and transmitting ratio, thereby expand selectable range greatly, corresponding dissimilar vehicles utilize structure of the present invention, can obtain best point and put the formula braking.

Glancing impact, hand brake handle, spur drg 4 to wheel 3 pressings through drag-line 1, the scotch block assembly 451 that its braking is stuck contacts with wheel rim 31, set up lock torque, drive wheel 43 also contacts and is dragged with wheel rim 31 simultaneously, driving gear 49 rotations with drive wheel 43 one, drive point through ring gear 48 and put wheel 44 rotations, when the bottom surface 450 that its point is put roller 440 and braking fork 45 holds with compression spring 46, braking fork 45 is under guide finger 422 and guide 454 guiding, move towards braking body 42 laterals, its scotch block assembly 451 separates with wheel rim 31, the braking force of drg 4 is " release " state, the still rotation under wheel rim 31 drives of drive wheel 43 this moment, put wheel also at continuous rotation through the gear auxiliary point, its point is put the bottom surface 450 that roller 440 leaves braking fork 45 thereupon, braking fork 45 holds down in spring 46 restoring forces, still " pressing " is to wheel rim 31, recover its braking function once more, above-mentioned " release " and " pressing " action constantly circulates in the braking overall process, thereby the realization point is put formula braking, is applicable to various types of vehicles.

Claims

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

A. drg (4) includes front axle (41), braking body (42), drive wheel (43), puts and put wheel (44), braking fork (45), spring (46), rear axle (47), driven gear (48) and driving gear (49);

B. forward and backward axle (41,47) is extended through braking body (42) respectively;

C. be arranged with drive wheel (43) on the front axle (41) and be bearing fit, be installed with driving gear (49) on the drive wheel (43);

D. be arranged with on the rear axle (47) and driving gear (49) ingear driven gear (48) is bearing fit, set firmly on the driven gear (48) and put wheel (44) a little;

E. 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);

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

G. pull moving drag-line (1) glancing impact, drive wheel (43) contacts and drives with wheel rim (31) a little puts wheel (44) rotation, putting a time point at point puts the point of wheel (44) and puts braking fork (45) bottom surface (450) that roller (440) holds band brake block assembly (451), the point that point is put wheel (44) is put roller (440) and is not held when braking fork (45) bottom surface (450), and the scotch block assembly (451) that (45) are pitched in braking contacts with wheel rim (31).

2, according to claim 1 pair of Antilock brake system is characterized in that the through hole (423) of forward and backward axle (41,47) and braking body (42) is flush fit or fixing.

3, according to claim 1 pair of Antilock brake system, the fitting surface that it is characterized in that front axle (41) and drive wheel (43) is provided with the first antifriction axle sleeve (432), and the fitting surface of rear axle (47) and driven gear (48) is provided with the second antifriction axle sleeve (471).

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

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