CN104097507B

CN104097507B - A kind of differential gear of Vehicular turn

Info

Publication number: CN104097507B
Application number: CN201310112061.2A
Authority: CN
Inventors: 李宝玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-02
Filing date: 2013-04-02
Publication date: 2017-06-06
Anticipated expiration: 2033-04-02
Also published as: CN104097507A

Abstract

The present invention relates to a kind of differential gear of Vehicular turn,The differential gear of balance both sides wheel when specifically for being turned between vehicle traveling,The steering and differential gear are in the rim motor interior space of power plant module,Both sides have centre bore,And it is equipped with central shaft,Stretched out by both sides centre bore,And installing driver element can drive driving gear in accommodation space,Rim motor is rotated,And assemble driving gear set in central shaft one end,Connect the single wheel of preset vehicle,The other end is assembling floating reducing gear,Operated using the first reduction gearing collocation driving gear,Then the first reduction gearing is installed in rotating disk seat,And the assembling of rotating disk seat is on center shaft,And through the outside of centre bore,Power transmission unit is provided with again,The wheel of preset vehicle opposite side is connected by power transmission unit,When being turned between being advanced for preset vehicle,Compress single wheel and differential is produced by opposite side wheel,Reach the purpose for driving Vehicular turn traveling.

Description

A kind of differential gear of Vehicular turn

Technical field

The present invention relates to a kind of differential gear of Vehicular turn, both sides are balanced when specifically for being turned between vehicle traveling The differential gear of wheel.

Background technology

In the distance that people are expert at, in addition to using the Bipedal of oneself, exactly multiplied using the various vehicles Carry, it is general common such as automobile, locomotive, it is the most common vehicles；But because vehicle overall architecture is different, manipulated between traveling The mode of vehicle is also different, and if general vehicle runs into when needing to turn between traveling, it is necessary to slow down and rotate the row of wheel Enter direction, to reach the purpose of Vehicular turn.But certain speed is kept between being advanced because of vehicle, is slowed down in the moment for turning to, held Easily cause the damage of vehicle；And vehicle gait of march it is very fast when, be generally difficult to reach the effect of moment deceleration, i.e., can cause to turn to Too late or steering angle is too big, too small etc., contingency occurs, therefore be quite worth in the running steering manipulation of vehicle The problem of attention.However, because the overall architecture design difference of vehicle, locomotive or bicycle are the vehicles, the vapour of two-wheeled The oversize vehicle such as car or lorry is traffic or means of transport more than four-wheel, is mostly DYN dynamic machine power vehicle.Separately, have A little special vehicle such as tricycle, cart, scooter, rickshaw or wheelchairs etc., then being must be against the operation of manpower The human powered vehicle that can be advanced, and Manpower operating vehicle, between more difficult operating and controlling vehicle is advanced, the rotating speed of wheel is fast, slow, if Run into when needing to turn to, it is necessary to which vehicle slows down to close to dead ship condition, and it is dynamic in by manpower starting to accelerate again after steering Lixing is entered, the speed of more difficult operating and controlling vehicle, and causes vehicle performance person quite to consume one's strength, then running about vehicle Steering manipulation, a little inconvenience and puzzlement have been still suffered from practical operation, implementation.For example：

1. when vehicle must be turned between traveling, the speed that vehicle is advanced is slowed down, after after slow steering, further accelerate it is dynamic Lixing is entered；The speed drop that will so cause vehicle to advance is too big, influences the service lifes such as wheel, the car body of vehicle to shorten.

2. human powered vehicle is using Manpower operating to be advanced, will first slow down when turning to, turn to after further accelerate, often lead Cause operator physical demands serious, also it is relatively easy occur can not turn to and the accident fallen.

Therefore, speed between manipulation and trouble, and vehicle traveling is difficult when how to solve the problems, such as that vehicle is turned between traveling After slowing down steering, it is necessary to accelerate again again, also it is relatively time consuming the shortcomings of take a lot of work with inconvenience, as the applicant be engaged in the industry Relevant manufactures desire most ardently research, improve direction where.

The content of the invention

The inconvenience and puzzlement produced when being turned between being advanced in view of above-mentioned conventional vehicle, it is an object of the invention to provide one Plant the differential gear of Vehicular turn.The differential gear utilizes power plant module and floating reducing gear, respectively with two wheels of vehicle Connection, in Vehicular turn, compresses single wheel and supplies the smooth traveling of opposite side wheel, reaches simple, convenient quick for vehicle The purpose of steering.

The purpose of the present invention is achieved through the following technical solutions：

The present invention includes power plant module and floating reducing gear, and wherein power plant module is arranged on vehicle by central shaft, The power plant module includes rim motor, driver element and driving gear set, and the rim motor is rotatably installed on central shaft, takes turns It is provided with the accommodation space of accommodating driver element inside coil motor, the driving gear set is arranged on the side of rim motor, and with Vehicle side it is wheel interlinked, be rotatablely equipped with the central shaft inside rim motor by driver element drive driving tooth Wheel；The floating reducing gear is located at the opposite side of rim motor, and the floating reducing gear includes rotating disk seat, the first reducing gear Wheel, power transmission unit and rim gear wheel, the rotating disk seat are rotatably installed on central shaft and turn with the rim motor of opposite side Dynamic connection, one end of rotating disk seat is located in rim motor and first engaged with the driving gear is provided with end face Reduction gearing, the other end of the rotating disk seat is exposed at outside rim motor opposite side, and by power transmission unit and vehicle Opposite side it is wheel interlinked；The rim gear wheel is arranged in rim motor, is meshed with first reduction gearing.

Wherein：The rim motor includes the side cover of casing and cover in casing side, and side cover is formed with casing internal and held Receive the accommodation space of driver element；The side cover is rotatably installed on central shaft, on side cover and on the opposite side of casing respectively It is provided with the centre bore stretched out for central shaft；The rim motor includes casing and covers the side cover in casing both sides and outside respectively Lid, side cover and outboard cover form the accommodation space for accommodating driver element with casing internal；The side cover is rotatably installed in central shaft On, outboard cover is rotated with rotating disk seat and is connected, and the center stretched out for central shaft is had on side cover and in outboard cover Hole；The driving gear set includes power gear and driven gear, and wherein power gear is connected with side cover, is driven by side cover and revolved Turn, and power gear set is on center shaft, it is rotatable relative to central shaft；The driven gear and vehicle single wheel phase Even, and it is meshed with the power gear；The side cover has the first protuberance for extending axially outwardly, first protuberance On be provided with the second reduction gearing, speed increasing gear or tool braking action electromagnetic brake；The centre of the rotating disk seat is provided with For the axis hole that central shaft stretches out, the other end of rotating disk seat is to extend axially outwardly the second protuberance to be formed, and this is second convex The opposite side for going out portion and rim motor is rotated and interlocked, and centre bore by rim motor opposite side stretches out；The power transmission is single Unit is sprocket wheel, chain assemblies or belt pulley, belt component or gear unit assembly, and one of sprocket wheel, belt pulley or gear are installed On second protuberance, another sprocket wheel, belt pulley or gear are connected with vehicle opposite side wheel, between two sprocket wheels, two Connected between belt pulley or by chain, belt or gear between two gears；The 3rd deceleration is installed on second protuberance The electromagnetic brake of gear, speed increasing gear or tool braking action；First reduction gearing be one or more, the first reducing gear Wheel is mounted directly or indirectly on rotating disk seat, and is meshed with driving gear and rim gear wheel respectively；The driving gear is along axle To stretching out, forming extension, the extension is passed by rotating disk seat and rim motor, and is provided with electromagnetic brake and electricity Magnetic brake tripper；The driver element is motor, stepper motor, brush motor, brushless motor, printed motor or sensing horse Reach, the side of driver element is connected with driving gear, interlock rim motor for driving gear rotates with driving gear set.

Advantages of the present invention is with good effect：

1. the driver element that the present invention passes through power plant module, coordinates floating with driving gear, rim gear wheel, the rotating disk seat for floating The reduction gearing assembling of dynamic reducing gear, you can rotated in driver element and interlock the driving gear set of both sides, reduction gearing and dynamic Power transmission unit, slows down by bias single wheel or static, opposite side vehicle wheel rotation is advanced, and stabilization completes the purpose for turning to.

2. the present invention drives the single wheel of preset vehicle to slow down or static, opposite side wheel traveling in power plant module, reaches Smoothly turn to and travel to non-resistance is stablized, the single wheel of side pressure can be totally stationary or after slowing down and releasing side pressure, then can be with Fast quick-recovery rotating speed, gait of march can be recovered after steering in the short time.

Brief description of the drawings

Fig. 1 is section of structure of the invention；

Fig. 2 is the section of structure that the present invention has another rim motor；

Fig. 3 is the structural representation that the present invention is connected with the wheel of vehicle two；

Fig. 4 is structural representation of the present invention on vehicle；

Fig. 5 is one of structural representation that the present invention installs electromagnetic brake；

Fig. 6 is the two of the structural representation that the present invention installs electromagnetic brake；

Fig. 7 is one of structural representation that the present invention installs electromagnetic brake and electromagnetic brake tripper；

Fig. 8 is the two of the structural representation that the present invention installs electromagnetic brake and electromagnetic brake tripper；

Fig. 9 is the three of the structural representation that the present invention installs electromagnetic brake and electromagnetic brake tripper；

Wherein：1 is power plant module, and 11 is rim motor, and 110 is accommodation space, and 101 is the first centre bore, and 102 is second Centre bore, 111 is casing, and 112 is side cover, and 113 is outboard cover, and 12 is driver element, axle centered on 121, and 122 is driving tooth Wheel, 13 is driving gear set, and 131 is power gear, and 132 is driven gear, and 133 is the first protuberance, and 2 is floating reductor Structure, 21 is rotating disk seat, and 211 is the second protuberance, and 210 is axis hole, and 22 is the first reduction gearing, and 23 is power transmission unit, 231 is drive sprocket, and 2311 is transmission gear, and 232 is driven sprocket, and 2321 is transmission driven gear, and 233 is chain, 2331 is transmission linked gear, and 24 is rim gear wheel, and 25 is electromagnetic brake, and 251 is electromagnetic brake cap, and 252 is electromagnetic brake Movable lining, 253 is electromagnetic brake activity iron plate, and 254 is the first spring, and 255 is electromagnet, and 256 is electromagnetic brake solution Shank of the key, 257 is dome, and 258 is Luo bars, and 259 is second spring, and 260 is rotatable Luo bars knob, and 3 is vehicle, and 31 is wheel, 32 is wheel, and 33 is wheel drive axle, and 34 is that rim motor protects shell.

Specific embodiment

The invention will be further described below in conjunction with the accompanying drawings.

As shown in figures 1-4, the present invention includes power plant module 1 and floating reducing gear 2, and wherein power plant module 1 passes through center Axle 121 is arranged on vehicle, and the power plant module 1 includes rim motor 11, driver element 12 and driving gear set 13.Rim motor 11 inside have accommodation space 110, and the both sides of accommodation space 110 have the first centre bore 101 stretched out for central shaft 121 And second centre bore 102, the first centre bore 101 and the second centre bore 102 distinguish insertion to outside, in accommodation space 110 Installing driver element 12；Driver element 12 connects central shaft 121, driving gear 122 respectively, and drives driving gear 122 to rotate, And central shaft 121 is stretched out outside rim motor 11 by the first centre bore 101 of both sides, the second centre bore 102, and positioned at wheel rim horse It is the power gear 131 for assembling driving gear set 13 up to the side outside 11, and driven gear 132 is interlocked by power gear 131, The wheel 31 of the side of outside preset vehicle 3 is connected by driven gear 132.

Floating reducing gear 2 is located at the opposite side of rim motor 11, and floating reducing gear 2 includes rotating disk seat 21, first Reduction gearing 22, power transmission unit 23 and rim gear wheel 24, rotating disk seat 21 are provided with axis hole 210, rotating disk seat in middle position 21 are connected by bearing with the rotation of central shaft 121, while rotated with the opposite side of rim motor 11 by bearing being connected；Rotating disk Seat 21 one end be located at rim motor 11 in and be provided with end face at least one engaged with driving gear 122 first Reduction gearing 22, the other end of rotating disk seat 21 has protruded out the second protuberance 211, and second protuberance 211 is by the first centre bore 101 stretch out.The rim gear wheel 24 affixed with rim motor 11 is provided with the inside of rotating disk 21 other ends of seat, the rim gear wheel 24 and first Reduction gearing 22 is meshed；And the other end of rotating disk seat 21 then assembles power transmission unit 23, and by power transmission unit The wheel 32 of the 23 connection opposite sides of preset vehicle 3.The deceleration device of floating reducing gear 2 can be one or more layers or be any shape The reducing gear of state,, often to know means, it will not go into details for this.

Above-mentioned each component is the first centre bore 101 using the opposite side of rim motor 11 of power plant module 1 when assembling, Rotating disk seat 21 for floating reducing gear 2 wears, and the driver element 12 in the interior space 110 of rim motor 11, i.e., It is meshed with rim gear wheel 24 for the first reduction gearing 22 on rotating disk 21 one end end faces of seat using driving gear 122, is assembled, then Passed through for central shaft 121 using the inside axis hole 210 of the second protuberance 211 of rotating disk seat 21, and by the of rotating disk seat 21 Two protuberances 211, the power transmission unit 23 on the outside of direct drive interlocks the another driving gear set positioned at the side of rim motor 11 13, and respectively at both sides rotation, the running of central shaft 121；In this way, by power plant module 1, driving gear set 13, floating and slowing down Mechanism 2, power transmission unit 23 etc., group constitute differential gear of the invention.

And above-mentioned power plant module 1 has rim motor 11, including casing 111 and side cover 112, and in casing 111, side cover 112 Accommodation space 110 is internally formed, is assembled for driver element 12 with using accommodation space 110, side cover 112 is fixed in casing 111 Side, is provided with the second centre bore 102 on side cover 112, and the opposite side of casing 111 is provided with the first centre bore 101；Driver element 12 It can be any kind of motor (such as various motor of stepper motor, brush motor, brushless motor, printed motor, induction motor). Casing 111 can be integrally formed for as shown in Figure 1, or casing 111 can again disassemble into two-piece type, i.e., including casing 111 with it is outer Side cover 113 (as shown in Figure 2), side cover 112 and outboard cover 113 are respectively and fixedly connected to the both sides of casing 111, and the is provided with side cover 112 Two centre bores 102, are provided with the first centre bore 101 in outboard cover 113；One end of central shaft 121, passes the side of rim motor 11 Outside second centre bore 102, and driving gear set 13 is connected, can be by the power gear 131, driven gear of driving gear set 13 132, change the direction of rotation of rim motor 11 and the wheel 31 of preset vehicle 3, rim motor 11 is turned in different from wheel 31 To, and the other end of central shaft 121 drives the first reduction gearing 22, rim gear wheel 24, floating reducing gear 2 by driving gear 122 Rotation, also rotates for the first reduction gearing 22, rotating disk seat 21 and rim motor 11 in different directions, then is transmitted via power single The chain 233 of unit 23 drives driven sprocket 232 to rotate in same direction, while driving opposite side wheel 32 also with rim motor 11 in opposite Direction rotates, and is so available for two wheel 31,32 to keep equidirectional to advance.

Driving gear set 13 includes power gear 131 and driven gear 132, and power gear 131 is connected with side cover 112, by Side cover 112 is rotated, and the power gear 131 is enclosed within central shaft 121, rotatable relative to central shaft 121；Driven tooth Wheel 132 is connected with vehicle single wheel 31, and is meshed with the power gear 131.

The rotating disk seat 21 of above-mentioned floating reducing gear 2 assembles power transmission unit 23 in the lateral surface of the second protuberance 211, Power transmission unit 23 can be sprocket wheel, chain assemblies or belt pulley, belt component or gear unit assembly, one of sprocket wheel, skin Belt wheel or gear are arranged on the second protuberance 211, another sprocket wheel, belt pulley or gear and the phase of 3 opposite side wheel of vehicle 32 Even, connected between two sprocket wheels, between two belt pulleys or by chain, belt or gear between two gears；The power of the present embodiment Transmission unit 23 is the mechanism being driven using drive sprocket 231, driven sprocket 232 and chain 233, and drive sprocket 231 is pacified Rotated on the second protuberance 211, with rotating disk seat 21, wheel 32 of the driven sprocket 232 then with the opposite side of vehicle 3 is connected, Drive sprocket 231 is connected with driven sprocket 232 by chain 233.Power transmission unit of the invention 23 is except above-mentioned sprocket wheel, skin Outside belt wheel, gear, the identical purpose of equivalent action should be all included in scope of the invention such as, and above-mentioned driving gear set 13 with The transmission device of power transmission unit 23 and both sides wheel 31,32 is interchangeable.

As illustrated in figures 3-6, the differential gear of Vehicular turn of the present invention, using power plant module 1 and floating reducing gear 2, It is assembled in preset vehicle 3 (such as：Tricycle, two wheels, rickshaw, scooter or wheelchair etc.) two wheels 31,32 between, and work as Preset vehicle 3 is between traveling, it is necessary to when being turned to, preset vehicle 3 can be turned right when to be turned right regarding the orientation for turning to Lateral deviation to, compress (during left-hand rotation towards left side bias), right side wheels 32 are pressurized and are more than left side wheel 31, and be pressurized big being equal to indirectly to rotation Second protuberance 211 of rotary disk basement 21 is dragged slow or held；Driver element 12 drives driving gear 122 to rotate, and and driving gear First reduction gearing 22 of 122 engagements produces rotation with the rotation of driving gear 122, but the first reduction gearing 22 does not interlock rotation Rotary disk basement 21 rotates, so that rotating disk seat 21 is in the static or slow power transmission unit turned on the outside of state, therefore rotating disk seat 21 23rd, right side wheels 32 are also in static or slow turn state；The first reduction gearing 22 now be present from then drive rim gear wheel 24, And then driving casing 111 and side cover 112 to rotate, then rim motor 11 becomes to reverse, and the power gear 131 of the connection of side cover 112 is also Reverse backward, reversely rotated by with the intermeshing driven gear 132 of power gear 131, and make driving gear set 13 and left side Wheel 31 and rim motor 11 are in reverse start, because rotating disk seat 21 is floating structure, therefore non-resistance；Otherwise towards the left side when turning left Bias, now driving gear set 13, rim motor 11, side cover 112, casing 111, rim gear wheel 24, all as left side wheel 31 is inclined Press and be in static or deceleration regime, now rim gear wheel 24 is motionless, driving gear 122 from then the first reduction gearing 22, rotating disk Seat 21, drive sprocket 231 and the driven sprocket 232, the right side wheels 32 that are driven by chain 233, be in driving gear 122 all Different directions are rotated, and driver element 12 understands the forward or reverse because power phase changes, and this is that it will not go into details for prior art；And Rotating disk 21 other ends of seat of the floating reducing gear 2 are to extend axially outwardly the second protuberance 211 to be formed, and this is second convex Go out portion to pass outside the first centre bore 101 of rim motor 11, and can be in the dress on the central shaft 121 outside the second protuberance 211 It is provided with the electromagnetic brake 25 (as shown in Figure 5) of tool braking action；Or, away from the wheel rim of the opposite side of floating reducing gear 2 Driving gear set 13 set by the outside of motor 11, is to stretch out to form the first protuberance axially outside in side cover 112 133, then at the electromagnetic brake 25 (as shown in Figure 6) of the assembling tool braking action of the first protuberance 133, you can by electromagnetic brake The auxiliary of device 25 floating reducing gear 2, be intended to be turned right (as shown in Figure 5) or turned left in operation (as shown in Figure 6) when deceleration Or the purpose of brake；Wherein installing has the electromagnetic brake 25 of braking action, outside the driving gear set 13 of rim motor 11 On the outside of second protuberance 211 of the rotating disk seat 21 of side or floating reducing gear 2 or on appropriate location, speedup can be first installed Gear allows the rotating speed to improve to reduce load, and allows electromagnetic brake 25 more easily to check；Or if necessary in the first protuberance Second reduction gearing is installed on 133, the 3rd reduction gearing is installed on the second protuberance 211, allow left and right sides rotating speed more to connect Closely, this reduction gearing and speed increasing gear are general conventionally known means, therefore it will not go into details；And the speed increasing gear or electromagnetic brake 25, rotatable lining supplies driven tooth to wear in also may be provided on the not kinetoplast of vehicle frame and coordinating electromagnetic brake 25 132 default protuberances or the default protuberance of driven sprocket 232 is taken turns to wear transmission or check, driven gear 132 Protuberance wears the lining endoporus of transmission, the i.e. electromagnetic brake 25 to be available for power gear 131, rotating disk seat 21, driven The hollow hole that the protuberance of gear 132, driven sprocket 232 etc. is rotated.

As shown in Fig. 7, Fig. 8, Fig. 9, power transmission unit 23 is changed to by transmission gear 2311, transmission linked gear 2331 and transmission driven gear 2321 drive wheel drive axle 34 to rotate, the two ends of wheel drive axle 34 can directly or indirectly connect Dynamic both sides wheel 31,32.Driving gear 122 is extended axially outwardly, forms extension, and the extension is by rotating disk seat 21 and wheel Coil motor 11 is passed, and is provided with electromagnetic brake 25 and electromagnetic brake tripper；The electromagnetic brake 25 of the present embodiment and Electromagnetic brake tripper is prior art, and the species of electromagnetic brake is various, is only illustrated in figure.Outside rim motor 11 Rim motor protection shell 35 is coated with, electromagnetic brake 25 makes including electromagnetic brake cap 251, electromagnetic brake activity Piece 252, electromagnetic brake activity iron plate 253, the first spring 254, electromagnet 255, electromagnetic brake solution shank of the key 256 and dome 257, electromagnetic brake activity iron plate 253 can be held when electromagnet 255 is powered and the first spring 254 is compressed, when no power, Electromagnetic brake activity iron plate 253 is subject to the extruding of the first spring 254 and pushes down electromagnetic brake activity lining 252 and withstand electricity Magnetic brake device cap 251, at the same by the driving gear 122 of the driver element 12 of gearing pin it is motionless reach brake function, but Vehicle pushes away motionless when moving, and electromagnetic brake solution shank of the key 256 can be set in the side of electromagnetic brake 25, using the dome of side cover Open electromagnetic brake activity iron plate 253 and unclamp outward and allow electromagnetic brake activity lining 252 to unclamp rotatably in 257 pulling tops To reach unblock purpose.

Fig. 9 is another embodiment, and in addition to function described in Fig. 7, Fig. 8, unblock design is different, is opened in the side of central shaft 121 One through hole houses Luo bars 258 and second spring 259, and Luo bars 258 are fixed in electromagnetic brake activity iron plate 253, through hole peripheral hardware A rotatable Luo bars knob 260 is put, is normal condition when electromagnetic brake 25 is flat, want to rotate Luo bars during mobile vehicle during no power Knob rotation gearing electromagnetic brake iron plate 253 unclamps movable lining 252 and reaches unblock purpose toward outer displacement.Certainly it is normal Operation electromagnetic brake tripper 252 will pull back to original position, i.e. normal condition.

It is this kind of to be rotated with rim motor 11 with driving gear 122, drive the driving gear set 13 of the side of rim motor 11 to revolve Turn, driving gear set 13 is interlocked single wheel 31 and is rotated and advance, it is this kind of by the way that opposite side wheel 32 (right side) is static, side car Wheel 31 (left sides) rotation advance, drive preset vehicle 3 turn right steering advance, it is to be diverted after the completion of, only need to release to preset car The bias on 3 right sides, makes preset vehicle 3 recover normal, you can disk seat 21 is rotated for the first reduction gearing 22 and rotates, and even Move the driving moment 32 of power transmission unit 23 to rotate, the wheel 31,32 of both sides is protected by the similar value of ground comparative resistance Hold same speed to advance forward, in steering procedure, driver element 12 still drives rim motor 11, interlocks the one of preset vehicle 3 Side wheel 31 is advanced, and keeps the stabilization of preset vehicle 3 to advance, turn to, and is difficult stall or is slowed down gait of march, and arranged on left and right sides Wheel 31,32 average rate can be advanced because of the mutually compensating for rotating speed of floating reducing gear 2.

Therefore presently preferred embodiments of the present invention is the foregoing is only, non-therefore limitation scope of patent protection of the invention, this The differential gear of the Vehicular turn of invention, is, by the rim motor 11 of power plant module 1, to be assembled in interior space 110 and driven Unit 12, and driver element 12 drives driving gear 122, rim motor 11 to rotate, and wheel rim horse is extended at the two ends of central shaft 121 Up to outside 11, and driving gear set 13, the reconnection single wheel 31 of preset vehicle 3 are assembled in one end, the other end of central shaft 121 is Floating reducing gear 2 is assembled into by driving gear 122, rim gear wheel 24, the first reduction gearing 22, the first reduction gearing 22 is assembled In rotating disk seat 21, and rotating disk seat 21 is in floating state on central shaft 121 to be socketed in, and outside recycles power transmission unit The 23 connection opposite side wheels 32 of preset vehicle 3, in order to the driving gear 122, the floating reducing gear 2 that can reach utilization driver element 12 The first reduction gearing 22, rim gear wheel 24 between cooperation, produce the purpose of speed discrepancy, and by being partial to, compress preset vehicle 3 one Side (left side or right side) wheel 31 (or wheel 32), i.e., by the first reduction gearing 22, between rim gear wheel 24 and driving gear 122 Gearing, makes single wheel 31 slow down or static, opposite side wheel 32 is rotated and advanced, the purpose that completion is turned to, and pre- with holding If the advantage of the gait of march of vehicle 3, and stall or out of control is difficult for the stable turning of preset vehicle 3, more also can be by driver element 12 phase changes, and then change the rotating forward or reverse of driving gear 122, and the wheel 31,32 of both sides is reached advance or is retreated Effect, therefore may achieve the purpose of foregoing advantages, effect etc. such as, and correlation unit, should all be contained by the present invention Lid, this kind of simple modification and equivalent structure change, all should similarly be contained in scope of patent protection of the invention, and Chen Ming is given in conjunction.

Claims

1. a kind of differential gear of Vehicular turn, it is characterised in that：Including power plant module (1) and floating reducing gear (2), wherein By central shaft (121) on vehicle, the power plant module (1) includes rim motor (11), driver element to power plant module (1) (12) and driving gear set (13), the rim motor (11) is rotatably installed on central shaft (121), and rim motor (11) is internal The accommodation space of accommodating driver element (12) is provided with, the driving gear set (13) is arranged on the side of rim motor (11), and It is wheel interlinked with vehicle side, it is rotatablely equipped with by driver element on the internal central shaft (121) of rim motor (11) (12) driving gear (122) for driving；Positioned at the opposite side of rim motor (11), the floating subtracts the floating reducing gear (2) Fast mechanism (2) includes rotating disk seat (21), the first reduction gearing (22), power transmission unit (23) and rim gear wheel (24), described Rotating disk seat (21) is rotatably installed on central shaft (121) and is rotated with the rim motor (11) of opposite side and is connected, rotating disk seat (21) one end is located in rim motor (11) and first engaged with the driving gear (122) is provided with end face and subtracts Fast gear (22), the other end of rotating disk seat (21) is exposed at outside rim motor (11) opposite side, and is transmitted by power Unit (23) is wheel interlinked with vehicle opposite side；The rim gear wheel (24) is interior installed in rim motor (11), with described first Reduction gearing (22) is meshed.

2. as described in claim 1 Vehicular turn differential gear, it is characterised in that：The rim motor (11) is including casing (111) and cover side cover (112) in casing (111) side, side cover (112) and casing (111) be internally formed receiving drive it is single The accommodation space of first (12)；The side cover (112) is rotatably installed on central shaft (121), on side cover (112) and casing (111) centre bore stretched out for central shaft (121) is had on opposite side.

3. as described in claim 1 Vehicular turn differential gear, it is characterised in that：The rim motor (11) is including casing (111) side cover (112) and outboard cover (113) in casing (111) both sides, side cover (112) and outboard cover (113) and are respectively covered The accommodation space for accommodating driver element (12) is internally formed with casing (111)；The side cover (112) is rotatably installed in central shaft (121) on, outboard cover (113) is rotated with rotating disk seat (21) and is connected, and is divided on side cover (112) and in outboard cover (113) The centre bore stretched out for central shaft (121) is not provided with.

4. as described in Claims 2 or 3 Vehicular turn differential gear, it is characterised in that：The driving gear set (13) includes Power gear (131) and driven gear (132), wherein power gear (131) are connected with side cover (112), are driven by side cover (112) Rotate, and the power gear (131) is enclosed within central shaft (121), it is rotatable relative to central shaft (121)；The driven tooth Wheel (132) is connected with vehicle single wheel, and is meshed with the power gear (131).

5. as described in Claims 2 or 3 Vehicular turn differential gear, it is characterised in that：The side cover (112) is with vertically The first protuberance (133) for stretching out, the second reduction gearing, speed increasing gear or tool are provided with first protuberance (133) The electromagnetic brake (25) of braking action.

6. as described in claim 1 Vehicular turn differential gear, it is characterised in that：The centre of rotating disk seat (21) is provided with For the axis hole (210) that central shaft (121) stretches out, the other end of rotating disk seat (21) is that to extend axially outwardly to be formed second convex Go out portion (211), second protuberance (211) is rotated with the opposite side of rim motor (11) and interlocked, and another by rim motor (11) The centre bore of side stretches out.

7. as described in claim 6 Vehicular turn differential gear, it is characterised in that：The power transmission unit (23) is chain Wheel, chain assemblies or belt pulley, belt component or gear unit assembly, one of sprocket wheel, belt pulley or gear are arranged on described On second protuberance (211), another sprocket wheel, belt pulley or gear are connected with vehicle opposite side wheel, between two sprocket wheels, two skins Connected between belt wheel or by chain, belt or gear between two gears.

8. as described in claim 6 Vehicular turn differential gear, it is characterised in that：Installed on second protuberance (211) There is the electromagnetic brake (25) of the 3rd reduction gearing, speed increasing gear or tool braking action.

9. as described in claim 1 Vehicular turn differential gear, it is characterised in that：First reduction gearing (22) is one Or it is multiple, the first reduction gearing (22) is mounted directly or indirectly in rotating disk seat (21), and respectively with driving gear (122) and Rim gear wheel (24) is meshed；The driving gear (122) extends axially outwardly, forms extension, and the extension is by rotating disk Seat (21) and rim motor (11) are passed, and are provided with electromagnetic brake (25) and electromagnetic brake tripper.

10. as described in claim 1 Vehicular turn differential gear, it is characterised in that：The driver element (12) is motor, is driven The side of moving cell (12) is connected with driving gear (122), and rim motor (11) and travelling gear are interlocked for driving gear (122) Group (13) is rotated.