CN203793557U

CN203793557U - Two-rear-wheel brake and differential drive integrated device

Info

Publication number: CN203793557U
Application number: CN201420024718.XU
Authority: CN
Inventors: 张晓敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-16
Filing date: 2014-01-16
Publication date: 2014-08-27
Anticipated expiration: 2024-01-16

Abstract

The utility model relates to a two-rear-wheel brake and differential drive integrated device applicable to tricycles and the like. By integrating a brake structure and a differential drive structure, the two-rear-wheel brake and differential drive integrated device which is small, light and convenient to use is provided. The two-rear-wheel brake and differential drive integrated device is particularly applicable to outdoor sport and entertainment type small vehicles such as tricycles, pedicabs, motor tricycles and three-wheel scooters which achieve transmission of driving force through chains or transmission belts and are small in driving force and not high in speed. The two-rear-wheel brake and differential drive integrated device is simple in structure and convenient to manufacture. The two-rear-wheel brake and differential drive integrated device mainly comprises a mounting frame, a left driving wheel, a right driving wheel, a differential drive device and a brake device.

Description

Two trailing wheel brakings drive integrated apparatus with differential

Technical field

This utility model relates to a kind of integrated apparatus that is mainly used in realizing three-wheel vehicle two trailing wheel brakings and differential driving.

Background technology

Three-wheel vehicle is in a kind of daily life, to be widely used in traffic, to transport, ride and converter tools, in this class instrument, the differentialization that how to realize two trailing wheels drives and two trailing wheels to brake be respectively an important technical requirements; The monolateral wheel drive of the many employings of existing market, or the each self-driven mode of two trailing wheels, the mode of monolateral wheel drive makes propulsive effort distribute secund, is difficult for grasping balance, the easy opposite side sideslip to monolateral driving while riding, and the each self-driven mode of two trailing wheels needs two propulsion source actuators; It on market, is more the mode that adopts planet gear group and left and right inner shaft to drive, its advantage is can not only realize differential to drive, and turn time both sides do not affect turning by the equiblibrium mass distribution of differential actuating speed, but it is larger that weak point is volume, complex structure, manufacturing cost is high, be applicable to self-propelled vehicle and be not too applicable to manpower drive or the small and light dilly of power.On market, this type of common its braking device of instrument of riding is the absolute construction separating, and the parts that comprise are more, relative complex and comparison redundancy in design.The utility model can meet two trailing wheel differential operations and driving and the two-wheeled integrated apparatus of independent brake separately of the small tricycle that adopts two back-wheel drives, simple in structure, easily manufactured, the lightweight traffic that is widely used in small-sized three-wheel structure, instrument transports and rides, be particularly useful for driving and the tricycle kind of the lower children's body-building of speed, motion and amusement in manpower, this utility model is adapted to differential driving and the brake request of the out-of-home entertainment dilly of front and back four-wheel structure equally.

Utility model content

Two trailing wheel brakings described in the utility model and differential drive integrated apparatus compact conformation, manufacture simply, and cost economy, maintenance are dismantled convenient, and Applicable scope is wider.

The technical scheme that the utility model adopts is:

Two trailing wheel brakings described in the utility model scheme drive integrated apparatus with differential, it is characterized in that: described two trailing wheel brakings and differential drive integrated apparatus to comprise erecting frame, left and right sidesing driving wheel, differential drive device and brake equipment; Wherein differential drive device and brake equipment are fixedly connected by erecting frame and vehicle frame, and left and right sidesing driving wheel is arranged on respectively the both sides of differential drive device and brake equipment.

Two trailing wheel brakings described in the utility model scheme drive integrated apparatus with differential, it is characterized in that: described erecting frame be after an expansion, be " recessed " font plane, bending trailing flank is the sheet metal component of " Jiong " type structure and is welded on recessed " two of left and right blanked part riser composition on the interior side section of font two, described blanked part riser has bearing mounting hole and bolt connecting hole.

Two trailing wheel brakings described in the utility model scheme drive integrated apparatus with differential, it is characterized in that: described left and right sidesing driving wheel, inside each drive wheel, in wheel hub, be fixedly equipped with successively an antifriction-bearing box and a brake hub, there is a radially free-wheel clutch of bearing capacity and fix assembling outside drive wheel in wheel hub; The installation site of described antifriction-bearing box and free-wheel clutch can exchange.

Two trailing wheel brakings described in the utility model scheme drive integrated apparatus with differential, it is characterized in that: described brake equipment comprises left and right two brake collars, brake cable, brake hub, brake cable adjusting bolt and brake collar retracing springs; Brake collar lower end, two of described left and right is respectively in the inner end surface bottom of type structure front portion, the erecting frame left and right sides " Jiong ", and upper end is connected with brake cable rear end; Brake cable front end passes after retracing spring forward, then passes from the brake cable adjusting bolt centre hole that is arranged on type structure inner front end face top, erecting frame both sides " Jiong "; After installing, the brake hub outside face of two drive wheel inner sides is concentric fit with left and right brake collar inside face respectively.

Two trailing wheels brakings described in the utility model scheme drive integrated apparatus with differential, it is characterized in that: described differential drive device is that the rear-guard axle that a centre is fixedly equipped with drive sprocket is assemblied on erecting frame by two of left and right backup bearing; The both sides of described rear-guard axle are provided with two drive wheels in left and right, two of left and right drive wheel coordinates by the antifriction-bearing box and the free-wheel clutch that are arranged on both sides in wheel hub the both sides that are assemblied in rear-guard axle respectively, be that rear-guard axle is fixedly connected with the inner ring of antifriction-bearing box and free-wheel clutch, the two ends of axle are respectively with one group of clamp nut locking.

The beneficial effect of the relative prior art of the utility model:

The utility model is suitable for two trailing wheels brakings and the differential driving requirement of three-wheel vehicle etc., compact to design, simple in structure, there is certain novelty, not only provide a kind of new three-wheel vehicle two trailing wheel differential type of drive to make to turn to flexibly, capable of reducing friction resistance and wear on tyres, simplified the two trailing wheels mechanism of independent brake separately simultaneously, ensure safety, and the two is integrated into a kind of assembly structure, make to manufacture simple economy, be applicable to three-wheel vehicle light, that speed is not high, especially can be widely used in the multiple three-wheel vehicle that children ride for sport and body-building, amusement.

Detailed description of the invention of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Brief description of the drawings

Fig. 1 is schematic perspective view of the present utility model

Fig. 2 is front sectional elevation of the present utility model

Fig. 3 is schematic perspective view of the present utility model (wherein two trailing wheels is for dissecing)

Fig. 4 is the utility model right-hand part side-looking generalized section

Fig. 5 is the utility model rear-guard erecting frame schematic perspective view

Detailed description of the invention

Technological means and effect of taking for reaching predetermined object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.

Composition structure of the present utility model as shown in Figure 1 to 4, two trailing wheel differentials drivings and braking integrated apparatus mainly comprise erecting frame 3, left and right sidesing driving wheel 7 (containing 6) and 15 (containing 16), differential drive device, brake equipment and meet other conventional parts of matching requirements; Wherein differential drive device and brake equipment 41 are fixedly connected by erecting frame 3 and vehicle frame, and left and right sidesing driving wheel 7 (containing 6) and 15 (containing 16) are arranged on respectively the both sides of differential drive device and brake equipment 41.For explaining conveniently, the direction all around in the application's schematic diagram used drives while moving ahead bicyclist as with reference to representing taking this device.

As shown in erecting frame detailed perspective 5, described erecting frame 3 is after an expansion, to be " recessed " font plane, bending trailing flank to be the sheet metal component 32 of " Jiong " type structure and to be welded on two of left and right blanked part riser, 10,14 compositions on " recessed " font two interior side sections, and described sheet metal component 32 the right and lefts upwards dogleg section have the mounting hole 33,31 that left and right mud guard 1,5 is installed; Described left and right blanked part riser 10,14 front ends are respectively the bolt connecting hole 37,39 being connected with vehicle frame, and rear end is the assembly opening 34,38 of left and right backup bearing 20,13.

As shown in Figure 2 and Figure 3, left and right sidesing driving wheel described in technical solutions of the utility model, the tire 16 of right drive wheel is assemblied on wheel hub 15, in the inner side of wheel hub 15, fix successively assembling antifriction-bearing box 26 and right side brake hub 19, wherein right side brake hub 19 and right wheel hub 15 screws thread fit, the fixing assembling in right wheel hub 15 outsides free-wheel clutch 27; The tire 6 of left side drive wheel is assemblied on wheel hub 7, fixes successively assembling antifriction-bearing box 23 and left side brake hub 21, wherein left side brake hub 21 and left wheel hub 7 screws thread fit in the inner side of wheel hub 7; The fixing assembling in left wheel hub 7 outsides free-wheel clutch 9; Free-wheel clutch and the antifriction-bearing box position of in described left and right sidesing driving wheel hub, assembling are interchangeable; Two of described left and right driving wheel structure is identical, but the assembly direction of free-wheel clutch is contrary with brake hub matching thread.

As shown in Fig. 1～5, brake equipment described in technical solutions of the utility model comprises two brake collars 22 in left and right and 18, two brake cable 11 and 17, two brake hubs 21 and 19, two brake cable adjusting bolts 29 and 2 and left and right brake collar retracing spring 41 and 30; Two of described left and right brake collar 22 and 18 symmetries are arranged on erecting frame both sides, mounting structure right side scheme of installation is as shown in Figure 4 example specification sheets: brake collar 18 lower ends in right side are arranged on the inner end surface bottom of type structure front portion, erecting frame 3 right sides " Jiong ", and upper end is connected with the rear end of right side brake cable 17; The front end of right side brake cable 17 is forward through after right side brake collar retracing spring 30, then passes from the centre hole of the brake cable adjusting bolt 2 that is arranged on erecting frame " Jiong " type structure inner front end face top; Right side brake hub 19 outside faces and the right side brake collar 18 inside face concentric fit of rear right wheel hub 15 inner sides are installed.

As shown in Fig. 1～5, to be the centre rear-guard axle 12 that is fixedly equipped with drive sprocket 4 be assemblied in erecting frame 3 in the block bearing assembly opening 34,38 on left and right blanked part riser 10,16 by two of left and right backup bearing 20,13 differential drive device described in technical solutions of the utility model; Described left driving wheel is assemblied in the left side of rear-guard axle 12 by being arranged on the antifriction-bearing box 23 of left wheel hub 7 inner sides and 9 cooperations of the free-wheel clutch in outside; Described right drive wheel coordinates by the antifriction-bearing box 26 and the outside free-wheel clutch 27 that are arranged on right wheel hub 15 inner sides the right that is assemblied in rear-guard axle 12; Between described left side backup bearing 20 and left side antifriction-bearing box 23, assemble respectively left and right sleeve pipe 24,25 between right side backup bearing 13 and right side antifriction-bearing box 26; The two ends, left and right of rear-guard axle 12 are assembled respectively with 28 and 8 lockings of one group of clamp nut.

Two trailing wheel brakings and differential drive the principle of work of integrated apparatus:

As shown in Fig. 1～5, described in the application, two trailing wheel brakings and differential drive integrated apparatus, its principle of work is as follows: when braking and after after differential drive device all assembled, this integrated apparatus can be linked up by two groups of vehicle frame connecting bores 37,39 and vehicle frame on left and right blanked part riser 10,14, then assemble chain drive-belt and engage with sprocket wheel 4 for input propulsive effort, and left and right sides brake cable 11,17 is connected on a braking control device of car load simultaneously.In the time of operation, in the time of chain input propulsive effort, sprocket wheel 4 drives rear-guard axle 12 to rotate by the anticlockwise direction shown in Fig. 1, Fig. 3; When rear-guard axle 12 drives left and right two drive wheel, have four kinds of states:

The first state is that vehicle travels forward along straight line, as shown in Figures 1 to 3, while driving in this state, when rear-guard axle 12 rotates with anticlockwise direction as shown in figures 1 and 3, the right and left free-wheel clutch 9,27 its outer rings that inner round portion is fixedly mounted on rear-guard axle 12 are fixedly assemblied in the middle of left and right wheel hub 7,15, now free-wheel clutch 9,27 Internal and external cycles in left and right are in non-return state, i.e. the rotation of rear-guard axle 12 drives left and right two drive wheel 6,7 and 15,16 straight lines to move ahead by the free-wheel clutch 9,27 in non-return state simultaneously.

The second state is the motion of vehicle turnon left, as shown in Figures 1 to 3, while driving in this state, the Internal and external cycle of left side free-wheel clutch 9 is in non-return state, rear-guard axle 12 drives left wheel hub to move ahead, and right one-way power-transfer clutch 27 is in released state, the outer ring rotating revolution ratio rear-guard axle 12 of right wheel hub 15 and right one-way power-transfer clutch 27 is high and freely rotate, thereby and realizes turnon left.

The third state is the motion of vehicle right-hand corner, as shown in Figures 1 to 3, while driving in this state, the Internal and external cycle of right one-way power-transfer clutch 27 is in non-return state, rear-guard axle 12 drives right wheel hub 15 to move ahead, and left side free-wheel clutch 9 is in released state, the outer ring rotating revolution ratio rear-guard axle 12 of left wheel hub 7 and left side free-wheel clutch 9 is high and freely rotate, thereby and realizes right-hand corner.

The 4th kind of state is that vehicle is on descending road surface or rely on inertia straight line to move ahead or while turn in left and right, as shown in Figures 1 to 3, when vehicle need not drive or drive, the rotating speed of rear-guard axle 12 is all lower than the rotating speed of left and right two drive wheels, left and right sides free-wheel clutch 9,27 all freely rotates in released state, thereby realization moves ahead, the motion of left and right turning.

As shown in Fig. 2～4, in traveling process, no matter when straightaway or left and right turning, in the time straining the braking control device of vehicle, strain left and right brake cable 11 and 17, the retracing spring 41,30 of the right and left is compressed simultaneously, and left and right brake cable 11,17 is strained respectively left and right brake collar 22,18, left and right brake collar 22,18 is tightly coated on left and right brake hub 21,19 and produces friction force, realizes the braking effect of left and right sidesing driving wheel; In the time decontroling the braking control device of vehicle, the retracing spring 41,30 of the right and left is stretched out, and left and right brake collar 22,18 resets, and departs from respectively left and right brake hub 21,19.

The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, utilize the technology contents of above-mentioned announcement to make a little change or modify and can become equivalent embodiment, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims

1. two trailing wheel brakings drive an integrated apparatus with differential, it is characterized in that: described two trailing wheel brakings and differential drive integrated apparatus to comprise erecting frame, left and right sidesing driving wheel, differential drive device and brake equipment; Wherein differential drive device and brake equipment are fixedly connected by erecting frame and vehicle frame, and left and right sidesing driving wheel is arranged on respectively the both sides of differential drive device and brake equipment.

2. a kind of two trailing wheel brakings according to claim 1 drive integrated apparatus with differential, it is characterized in that: described erecting frame is after an expansion, to be " recessed " font plane, bending trailing flank to be the sheet metal component of " Jiong " type structure and to be welded on two of the left and right blanked part riser composition on " recessed " font two interior side sections, and described blanked part riser has bearing mounting hole to be connected with bolt.

3. a kind of two trailing wheel brakings drive integrated apparatus with differential according to claim 1, it is characterized in that: described left and right sidesing driving wheel, inside each drive wheel, in wheel hub, be fixedly equipped with successively an antifriction-bearing box and a brake hub, there is a radially free-wheel clutch of bearing capacity and fix assembling outside drive wheel in wheel hub; The installation site of described antifriction-bearing box and free-wheel clutch can exchange.

4. a kind of two trailing wheel brakings according to claim 1 drive integrated apparatus with differential, it is characterized in that: described brake equipment comprises left and right two brake collars, brake cable, brake hub, brake cable adjusting bolt and brake collar retracing springs; Brake collar lower end, two of described left and right is respectively in the inner end surface bottom of type structure front portion, the erecting frame left and right sides " Jiong ", and upper end is connected with brake cable rear end; Brake cable front end passes after retracing spring forward, then passes from the brake cable adjusting bolt centre hole that is arranged on type structure inner front end face top, erecting frame both sides " Jiong "; After installing the brake hub outside face of two drive wheels inner sides respectively with left and right brake collar inside face concentric fit.

5. a kind of two trailing wheels brakings according to claim 1 drive integrated apparatus with differential, it is characterized in that: described differential drive device is that the rear-guard axle that a centre is fixedly equipped with drive sprocket is assemblied on erecting frame by two of left and right backup bearing; The both sides of described rear-guard axle are provided with two drive wheels in left and right, two of left and right drive wheel coordinates by the antifriction-bearing box and the free-wheel clutch that are arranged on both sides in wheel hub the both sides that are assemblied in rear-guard axle respectively, be that rear-guard axle is fixedly connected with the inner ring of antifriction-bearing box and free-wheel clutch, the two ends of axle are respectively with one group of clamp nut locking.