CN203902283U - Child automobile - Google Patents

Abstract

The utility model provides a child automobile, belongs to the technical field of child automobiles, and solves the problem that a conventional child automobile is simple in structure and few in functions. The child automobile comprises a car frame, a chassis mounted at the bottom of the car frame and four wheels mounted on the car frame, wherein a four-wheel driving transmission device, a steering device, a front suspension device and a rear suspension device are arranged in the car frame; the front suspension device is mounted at one end of the chassis and is connected with the steering device; the rear suspension device is mounted on the other end of the chassis and is connected with the four-wheel driving transmission device; the four-wheel driving transmission device comprises two motors; the four wheels are arranged on two sides of the two motors respectively; at least one motor is connected with two wheels through compensating gears respectively; the motors are connected with the compensating gears through input shafts; each differential comprises an outer casing and an inner casing; each compensating gear is further provided with differential lock capable of locking the inner casing and enabling a first half shaft and a second half shaft to rotate at the same speed. The child automobile has the advantages of strong practicability and high safety.

Description

Juvenile motor vehicle

Technical field

The utility model belongs to juvenile motor vehicle technical field, particularly a kind of juvenile motor vehicle.

Background technology

In daily life, children like being sitting in toy car and play, and the kind of toy for children automobile is also varied, but their simple in structure and function singlenesses can not improve children's interest in game play, do not possess the driving sense of reality of existing adult's automobile.In addition, because children cannot drive adult's automobile, someone has designed emulation toy for children automobile, it in shape compared with conventional toy automobile more as adult automobile, but inherent operation is still very simple, sensation when emulation toy for children vehicle drive and actual driving adult automobile are felt to greatly differ from each other.

Utility model content

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of rational in infrastructure, practical, safe juvenile motor vehicle.

The purpose of this utility model can realize by following technical proposal: a kind of juvenile motor vehicle, comprise vehicle frame, be arranged on the chassis of bottom of frame and be arranged on four wheels on vehicle frame, it is characterized in that, in vehicle frame, be provided with 4 wheel driven driving device, steering hardware, front suspension apparatus and back suspension device, described front suspension apparatus is arranged on the one end on chassis and is connected with steering hardware, described back suspension device is arranged on the other end on chassis and is connected with 4 wheel driven driving device, described 4 wheel driven driving device comprises two motors, above-mentioned four wheels are separately positioned on the both sides of two motors, wherein at least one motor is connected with corresponding two wheels respectively by diff, described motor is connected with diff by input shaft, described diff comprises body skin and is arranged in body skin and has the inner housing of driven gear, on this diff, being also provided with can be by locked inner housing and make the differential locking-device of the first semiaxis and the synchronized rotation of the second semiaxis.

In above-mentioned juvenile motor vehicle, the first described semiaxis and the second semiaxis be coaxial to be arranged and arrange vertical with input shaft respectively, described the first semiaxis is connected with corresponding two wheels by transmission shaft respectively with the second semiaxis, described input shaft has main gear and input shaft stretches in body skin and is connected with a joggle by main gear and driven gear, in inner housing, be provided with and the first semiaxis and the second semiaxis the first adapter shaft and second adapter shaft of corresponding setting respectively, at the first adapter shaft, on the second adapter shaft, be respectively equipped with the first side gear and the second side gear, in inner housing, by planet axis, at least one pair of planetary wheel is installed, each planetary wheel is all connected with a joggle between the first side gear and the second side gear and rotates relative to inner housing.

In above-mentioned juvenile motor vehicle, described differential locking-device comprises control stalk, return unit and can be by movable part locked inner housing, movable part comprises grafting piece and can be by lock dog locked inner housing, described lock dog has annular groove and is movably arranged on the first adapter shaft, described control stalk is articulated and connected on grafting piece and return unit fixes between control stalk and grafting piece, on described grafting piece, be provided with at least two inserting columns that can stretch in annular groove, and return unit drives grafting piece to move and makes to peg graft piece drive lock dog disengaging inner housing in the time of control stalk compression return unit.

In above-mentioned juvenile motor vehicle, described front suspension apparatus comprises front frame, front lower swing arm, front top link and tumbler, described front lower swing arm, front top link, bumper assembly and tumbler are centrosymmetric and are distributed in front frame both sides, described front frame is connected on chassis, one end of described front lower swing arm and front top link is hinged on respectively front frame two ends, the other end of described front top link and front lower swing arm is connected respectively to the two ends of tumbler by joint ball bearing, described tumbler can be around the joint ball bearing rotary of front lower swing arm, described back suspension device comprises after poppet, rear lower swing arm, rear top link and attaching parts, described rear lower swing arm, rear top link, bumper assembly and attaching parts are centrosymmetric and are distributed in after poppet both sides, described after poppet is connected on chassis, one end of described rear lower swing arm and rear top link is hinged on respectively the two ends of after poppet, the other end of rear top link is connected to one end of attaching parts, the other end of rear lower swing arm is hinged to the other end of attaching parts.

In above-mentioned juvenile motor vehicle, described front suspension apparatus and back suspension device all also include bumper assembly, bumper assembly comprises bumper, be arranged on the cover plate at bumper two ends and be set in the damping spring on bumper, the two ends of described damping spring are against on the cover board, on described cover plate, be provided with joint ball, be fixed with respectively back vertical plate and front vertical plate on after poppet and front frame, bumper is hinged with front vertical plate and front lower swing arm or back vertical plate and rear lower swing arm respectively by joint ball.

In above-mentioned juvenile motor vehicle, described tumbler comprises forward axial region, on forward axial region, offer forward axis hole and protrude and form concave part at the two ends of forward axial region, the front rotary shaft being connected with wheel is installed in forward axis hole, adapter shaft is installed in concave part and protrudes adapter shaft the front lower joint ball that forms ball-and-socket joint portion composition, the two ends of adapter shaft are affixed to concave part, described front lower swing arm is connected on joint portion, in a side of concave part, protrude and be formed with cradle portion and described joint ball is connected in cradle portion, on tumbler, be also provided with the turning part perpendicular to cradle portion, and described turning part can drive cradle portion to rotate around adapter shaft.

In above-mentioned juvenile motor vehicle, described attaching parts comprises rear shaft, is separately positioned on articulated section, two ends and the U slot part of rear shaft, shaft hole the rear rotating shaft being connected with wheel is installed in rear shaft hole after offering on rear shaft, on articulated section, offer hinge hole, on rear lower swing arm, offer groove and described articulated section snaps in groove, described rear lower swing arm runs through hinge hole with articulated section by bearing pin and is connected.

In above-mentioned juvenile motor vehicle, described steering hardware comprises the first deflector, the second deflector, the first transmission device, the second transmission device, gear wheel shaft and steering unit, described the first transmission device is arranged between the first deflector and gear wheel shaft, described the second transmission device is arranged between the second deflector and gear wheel shaft, described steering unit is by panel block, joystick and auxiliary mechanism form, described gear wheel shaft is laterally plugged in panel block and is evenly distributed with some catching grooves in the front of gear wheel shaft, described joystick shaft is provided with gear to being plugged in panel block and on joystick, and described gear is evenly distributed with the latch of some settings corresponding to catching groove, described latch is provided with the arc surface that active flank and active flank are evagination, between adjacent two latches, connect with interior concaved circular cambered surface, described accessory part comprises spring and auxiliary block, described auxiliary block is positioned at the reverse side of gear wheel shaft and is stuck on gear wheel shaft side, be provided with spring inlay card portion and described spring fitting at auxiliary block middle part between spring inlay card portion and panel block.

In above-mentioned juvenile motor vehicle, described the first deflector and the second deflector are by mainboard, the first baffle plate, second baffle and transmission arm form, described the first baffle plate, second baffle and mainboard are connected as a single entity and described the first baffle plate, second baffle symmetrical parallel is arranged on mainboard one side, described boss is arranged on mainboard opposite side, on described boss, offer vertically and run through the cylindrical hole that mainboard arranges, described transmission arm is made up of extension and turning point, described extension is that a cuboid and one end and the first baffle plate are connected, the other end and turning point are connected, the angle of described turning point and extension is 90 degree, between described the first baffle plate and mainboard, be provided with at least one first bracing frame, between described second baffle and mainboard, be provided with at least one second bracing frame, between described transmission arm and the first baffle plate, be provided with at least one the 3rd bracing frame.

In above-mentioned juvenile motor vehicle, described the first transmission device and the second transmission device are equipped with the first commutator and the second commutator, the first commutator and the second commutator form by ball seat and pole socket, outside described ball seat inner side and ball seat, be the diameter that hemispherical diameter inside hemisphere face and described ball seat is a bit larger tham screw, described pole socket is the diameter that the interior diameter of hollow cylinder and hollow cylinder is a bit larger tham drive link, described ball seat is fixedly connected with pole socket, and the ball seat of described the first commutator and the second commutator is towards the opposite.

Compared with prior art, the utlity model has following advantage:

1,4 wheel driven driving device is reasonable in design, and compact in design between each parts makes the volume of integrated motor smaller, has improved space availability ratio, and in actual mechanical process, each parts assembling and dismounting are all more convenient; Driver can realize the locked function of diff by controlling differential locking-device quickly and easily simultaneously, reasonable in design, two wheels that two-semiaxle is connected can be realized synchronized rotation, and front-wheel and trailing wheel keep same rotating speed, when vehicle is got into a difficult position, can depart from time; And four wheel drive can to make juvenile motor vehicle turn to as far as possible neutral, thereby improved curved ability, and can improve the safety that juvenile motor vehicle is driven.

2, one end of front lower swing arm and front top link is hinged on respectively front frame two ends, the other end of front top link and front lower swing arm is connected respectively to the two ends of tumbler by joint ball bearing, tumbler can be around the joint ball bearing rotary of front lower swing arm, front top link and front lower swing arm are immobilized to the distance of tumbler, tumbler can rotate around pull bar, can realize wheel vertical tremor, can wigwag motion.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of 4 wheel driven driving device in the utility model.

Fig. 3 is the structural representation of diff in the utility model.

Fig. 4 is that in the utility model, diff is removed the structural representation after cover plate.

Fig. 5 is the connection structure schematic diagram of the first semiaxis and the second semiaxis in the utility model.

Fig. 6 is the structural representation of differential locking-device in the utility model.

Fig. 7 is the structural representation of piece of pegging graft in the utility model.

Fig. 8 is the structural representation of lock dog in the utility model.

Fig. 9 is the structural representation of inner housing in the utility model.

Figure 10 is the structural representation of the utility model front suspension apparatus and back suspension device.

Figure 11 is the structural representation of front suspension apparatus in the utility model.

Figure 12 is the structural representation of back suspension device one side in the utility model.

Figure 13 is the structural representation of front top link in the utility model.

Figure 14 is the structural representation of front lower swing arm in the utility model.

Figure 15 is the structural representation of rear top link in the utility model.

Figure 16 is the structural representation of rear lower swing arm in the utility model.

Figure 17 is the structural representation of attaching parts in the utility model.

Figure 18 is the structural representation of tumbler in the utility model.

Figure 19 is the structural representation of steering hardware in the utility model.

Figure 20 is the structural representation of transmission device in the utility model steering hardware.

Figure 21 be in Figure 19 A-A to cutaway view.

Figure 22 is the local structure schematic diagram of the utility model steering hardware.

Figure 23 is the inner structure schematic diagram at another visual angle in the utility model steering hardware.

Figure 24 is the structural representation of deflector in the utility model steering hardware.

Detailed description of the invention

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As shown in Fig. 1 to Figure 19, this juvenile motor vehicle comprises vehicle frame 100, is arranged on the chassis 200 of vehicle frame 100 bottoms and is arranged on four wheels 300 on vehicle frame 100, in vehicle frame 100, be provided with 4 wheel driven driving device, steering hardware, front suspension apparatus and back suspension device, wherein front suspension apparatus is arranged on the one end on chassis 200 and is connected with steering hardware, and back suspension device is arranged on the other end on chassis 200 and is connected with 4 wheel driven driving device.

4 wheel driven driving system comprises two motors 500, four wheels 300 are separately positioned on the both sides of two motors 500, wherein at least one motor 500 is connected with corresponding two wheels 300 respectively by diff 501, motor 500 is connected with diff 501 by the input shaft 5015 with main gear 5016, on diff 501, be symmetrically arranged with the first semiaxis 5020, the second semiaxis 5021, the first semiaxis 5020, the second semiaxis 5021 is connected with corresponding two wheels 300 by transmission shaft 5040 respectively, diff 501 comprises body skin 5011 and is arranged in body skin 5011 and has the inner housing 5017 of driven gear 5018, can be by locked inner housing 5,017 first semiaxis 5020 of realizing thereby be also provided with on this diff 501, the differential locking-device 5028 of the second semiaxis 5021 synchronized rotations.

It should be noted that: the diff 501 in this case can be chosen as one or two, when selection diff 501 is single, can select diff 501 to be arranged between two front-wheels, also diff 501 can be arranged between two trailing wheels, general selection is arranged on diff 501 between two front-wheels; When selecting diff 501 to be two, that is to say that front-wheel and trailing wheel correspondence position are respectively arranged with a diff 501.

Be applicable in the vehicle of this case diff 501 at juvenile motor vehicle etc., the propulsive effort of motor 500 imports into via input shaft 5015, and last propulsive effort sends respectively the corresponding wheel 300 of vehicle to by transmission shaft 5040 via the first semiaxis 5020, the second semiaxis 5021.Input shaft 5015 stretches in body skin 5011 and by main gear 5016 and driven gear 5018 and is connected with a joggle, in inner housing 5017, be provided with and the first semiaxis 5020, the second semiaxis 5021 corresponding the first adapter shaft 5022 arranging respectively, the second adapter shaft 5025, the first adapter shaft 5022, on the second adapter shaft 5025, be respectively equipped with the first side gear 5023, the second side gear 5026, in inner housing 5017, by planet axis, at least one pair of planetary wheel 5027 is installed, each planetary wheel 5027 is all connected with a joggle between the first side gear 5023 and the second side gear 5026 and rotates relative to inner housing 5017.

Preferably, differential locking-device 5028 comprises control stalk 5029, return unit 5031 and can be by movable part locked inner housing 5,017 5032, movable part 5032 is movably arranged on the first adapter shaft 5022, return unit 5031 is connected with movable part 5032, control stalk 5029 is articulated and connected on movable part 5032, control stalk 5029 can rotate and compress or unclamp return unit 5031 around the hinged support of movable part 5032, in the time that control stalk 5029 compresses return unit 5031, return unit 5031 drives movable part 5032 to depart from inner housing 5017, in the time that control stalk 5029 unclamps return unit 5031, return unit 5031 resets gradually and drives movable part 5032 locked inner housing 5017 gradually under the effect of reset screen resilience.

In practical work process, can be connected with control stalk 5029 by external device, and then realize the opening and closing of differential locking-device 5028.This diff 501 is under initial condition, driver is by extraneous (stay cord etc.) assembly manipulation control stalk 5029 state in compression return unit 5031 always, movable part 5032 now and inner housing 5017 are in disengaged position, diff 501 is not locked, that is to say that diff 501 is in normal working; In the time that driver need to be adjusted to diff 501 locking state (losing differential function), only need unclamp control stalk 5029, make the natural resilience of return unit 5031 and drive the locked inner housing 5017 of movable part 5032, diff 501 now has just lost differential action, above-mentioned diff 501 structure designs are simple, operating process is convenient, convenience is provided to people's daily life.

Preferably, movable part 5032 comprises grafting piece 5033 and can be by lock dog locked inner housing 5,017 5035, lock dog 5035 has annular groove 5036 and is movably arranged on the first adapter shaft 5022, control stalk 5029 is articulated and connected on grafting piece 5033 and return unit 5031 fixes between control stalk 5029 and grafting piece 5033, on grafting piece 5033, be provided with at least two inserting columns 5034 that can stretch in annular groove 5036, in the time that control stalk 5029 compresses return unit 5031, return unit 5031 drives grafting piece 5033 to move, the piece 5033 of simultaneously pegging graft drives lock dog 5035 to depart from inner housing 5017, in the time that control stalk 5029 unclamps return unit 5031, return unit 5031 drives grafting piece 5033 to reset gradually and drives lock dog 5035 locked inner housing 5017 gradually under the effect of reset screen resilience.

The design of grafting piece 5033 and lock dog 5035, topology layout is compact tight and fixed, has both prevented the landing of movable part 5032 in working process, has ensured again the stability that diff 501 is worked.In addition, the cooperation of annular groove 5036 and inserting column 5034, reasonable in design and can not take larger space, in the first adapter shaft 5022 rotates, lock dog 5035 is along with the first adapter shaft 5022 rotates together, inserting column 5034 rests in annular groove 5036 always, does not affect the normal operation of this diff 501.

Preferably, the end face that inner housing 5017 faces the first semiaxis 5020 is provided with multiple projections 5019, the end face that lock dog 5035 faces inner housing 5017 is provided with and projection 5019 multiple draw-in grooves 5037 one to one, such structure design, rationally distributed and can effectively prevent the circumferential play of inner housing 5017 and lock dog 5035, lock dog 5035 also plays certain firm effect to inner housing 5017, has improved work efficiency, has ensured " the locked effect " of differential locking-device 5028.

In the time that driver need to be adjusted to locking state by diff 501, only need unclamp control stalk 5029, make the natural resilience of return unit 5031 and drive grafting piece 5033 to move, grafting piece 5033 drives the locked inner housing 5017 of lock dog 5035, now projection 5019 fixes one by one in corresponding draw-in groove 5037, and structure design is simple and fixed.Projection 5019 quantity are that four and uniform ring face on the end face of the first semiaxis 5020 around being distributed in inner housing 5017, easy to process and can meet diff 501 real work demands.In addition, the width of design draw-in groove 5037 is slightly larger than the width of projection 5019, has certain dash clearance when making the locked inner housing of lock dog 5,035 5017.Owing to can producing unavoidably shake in Vehicle Driving Cycle process, the micro-displacement producing during this time may make the relative position between projection 5019 and corresponding draw-in groove 5037 that a little skew occurs, if the width design of draw-in groove 5037 equates with the width of projection 5019, may cause projection 5019 cannot accurately snap in the situation of corresponding draw-in groove 5037, affect work efficiency.

Preferably, the first adapter shaft 5022 middle parts are provided with synchronous external gear 5024, lock dog 5035 middle parts offer central through hole 5038, on the madial wall of central through hole 5038, be provided with and synchronize the synchronous inner rack 5039 that external gear 5024 is meshed, lock dog 5035 is movably arranged on the first adapter shaft 5022 by synchronous inner rack 5039 and can be along the first adapter shaft 5022 axial translation.Such reasonable in design, lock dog 5035 and the first adapter shaft 5022 are fitted tightly, effectively prevent the circumferential play of lock dog 5035, the first adapter shaft 5022 has also been played to firm effect, further ensured the synchronized rotation between the locked rear two-semiaxle of diff 501.

Preferably, body skin 5011 is made up of cover plate 5012 and drain pan 5013, and Assembly &Disassembly is all more convenient.On drain pan 5013, be provided with at least one reinforced rib 5014, make body skin 5011 fixing more firm, improved the working stability of the each parts in body skin 5011.Control stalk 5029 is arranged on outside cover plate 5012, and grafting piece 5033 parts are stretched out outside cover plate 5012, and control stalk 5029 one end are articulated and connected on grafting piece 5033, and the other end is provided with a draw ring 5030.Under initial condition, driver can pass draw ring 5030 by external devices such as stay cords, and then manipulation control stalk 5029 state in compression return unit 5031 always, simple in structure, easy to use.

Preferably, the first semiaxis 5020 and the second semiaxis 5021 coaxially arrange, and the first semiaxis 5020, the setting vertical with input shaft 5015 respectively of the second semiaxis 5021 are rationally distributed, have improved space availability ratio.

In this case, diff 501 is in vehicle straight-line travelling process, the propulsive effort of motor 500 turns to 90 ° to be delivered on driven gear 5018 (Ring gear) via the main gear 5016 on input shaft 5015, driven gear 5018 drives two planetary wheels 5027 to rotate together (consistent with wheel 300 hand of rotation), and drive two side gear rotations, thereby wheel 300 advances.Now owing to being straight-line travelling, wheel 300 suffered resistance in two of left and right is the same, therefore, and two planetary wheel 5027 not rotations.

In turn inside diameter process, the resistance difference being subject to due to left and right wheels 300, between two side gears in left and right, will produce resistance difference, this just makes two planetary wheels 5027 when semiaxis rotates, also will produce rotation, thereby absorption resistance difference, left and right wheels 300 can be rotated with different speed, thereby allow vehicle complete smoothly turning.In addition, in the situation that not needing to use diff 501, driver can control differential locking-device 5028 quickly and easily by locked diff 501, two wheels 300 that two semiaxis are connected can be realized synchronized rotation, and front-wheel and trailing wheel keep same rotating speed, when being got into a difficult position, vehicle can depart from time.

Front suspension apparatus comprises front frame 11, front lower swing arm 13, front top link 12, bumper assembly 15 and tumbler 14, and front lower swing arm 13, front top link 12, bumper assembly 15 and tumbler 14 are centrosymmetric and are distributed in front frame 11 both sides.Front frame 11 is rectangular and have two, front frame 11 is oppositely arranged and bottom is connected on chassis 50, on the top of front frame 11, be fixed with front connecting panel 17, front connecting panel 17 is parallel with chassis 50, on front connecting panel 17, be provided with the front vertical plate 16 perpendicular to front connecting panel 17, front vertical plate 16 is connected on front tripod 61, front tripod 61 by bolted to front connecting panel 17, on four jiaos of front frame 11, be all fixed with front tension bar 18a, front tension bar 18a comprises front top rod 181 and front lower link 182, front vertical plate 16 is provided with two front support leg 161a, front support leg 161a cover is set on front upper pull bar 181.Front frame 11, chassis 50 and front connecting panel 17 form the skeleton of a cube shaped, monolithic stability; Front vertical plate 16 is connected in front tripod 61, and front tripod 61 is affixed on front connecting panel 17, has regulated easily front vertical plate 16 to be positioned at the position on front frame 11; Front vertical plate 16 arranges front support leg 161a and is set on front top rod 181, and entirety forms the feature of 3 definite planes, ensures that front vertical plate 16 is vertical with front top rod 181, location positioning.

Front top link 12 comprises front upper body 121, be separately positioned on front upper installation portion 122 and the front upper connecting portion 123 at front upper body 121 two ends, on front upper body 121, offer the material reducing mouth 124 that runs through front upper body 121, bumper assembly 15 is connected on front lower swing arm 13 through material reducing mouth 124, on front upper installation portion 122, be provided with front upper mounting hole 125, front upper mounting hole 125 is set on front top rod 181, on front upper installation portion 122, offer front grooving 126, the position that front support leg 161a on front vertical plate 16 is set in front top rod 181 is positioned at front grooving 126 and front support leg 161a and is slidably installed in the front grooving 126 of front upper installation portion 122, joint ball outer race 191 is connected on front upper connecting portion 123, joint ball inner ring 192 is connected on tumbler 14, joint ball inner ring 192 can be in the interior rotation of joint ball outer race 191.Tumbler 14 is connected by joint ball bearing 25 with the contact jaw of front top link 12, and rotation amplitude is large, and the distance of guaranteed point-to-point transmission is constant; Bumper assembly 15 is connected on front lower swing arm 13 through material reducing mouth 124, and the vibration that can make front lower swing arm 13 produce is transmitted damping along bumper assembly 15, and bumper assembly 15 is positioned at center, and good damping effect is stressed even.

Front lower swing arm 13 comprises front lower body 131, be separately positioned on front lower installation portion 132 and the front lower connecting portion 133 at front lower body 131 two ends, on the longitudinal plane of symmetry of front lower body 131, offer the front lower installing port 135 that runs through front lower body 131, one end of bumper assembly 15 is hinged in front lower installing port 135, on front lower installation portion 132, be provided with front lower mounting hole 136, front lower mounting hole 136 is set on front lower link 182, on front lower connecting portion 133, offer joint ball bearing hole 134, on tumbler 14, be fixed with front lower joint ball, front lower joint ball comprises adapter shaft 147 and protrudes the glomerate joint portion 146 of adapter shaft 147 shape, joint ball bearing hole 134 can rotate around the joint portion of front lower joint ball 146.Front lower swing arm 13 is hinged on front lower link 182, and the other end is connected with front lower joint ball by joint ball bearing hole 134 is set, and before ensureing, the length of lower swing arm 13 is constant, rotates flexibly; Bumper assembly 15 is connected in front lower installing port 135, installs simply, and stress performance is good.

Tumbler 14 comprises forward axial region 141, protrude and form concave part 142 at the two ends of forward axial region 141, on forward axial region 141, offer forward axis hole 145, front rotary shaft 60a is installed in forward axis hole 145, the diameter of axle of front rotary shaft 60a is perpendicular to the residing plane of axis of front top rod 181 and front lower link 182, front rotary shaft 60a is connected with wheel 300, front lower joint ball is arranged in concave part 142, the two ends of adapter shaft 147 are affixed to concave part 142, front lower connecting portion 133 is connected on joint portion 146, in one side of concave part 142, protrude and form cradle portion 143, joint ball inner ring 192 is connected in cradle portion 143, on tumbler 14, be also provided with turning part 144, turning part 144 is perpendicular to cradle portion 143, and be positioned at the same side with cradle portion 143, turning part 144 is connected to steering swivel system, can under the drive of steering swivel system, make tumbler 14 rotate around adapter shaft 147, thereby band motor car wheel 300 rotates.Front lower connecting portion 133 is connected to joint portion 146 and is positioned at concave part 142, and simple in structure, space is little; Joint ball inner ring 192 is connected in cradle portion 143, is connected with front top link 12, can realize the rotation of certain amplitude, makes tumbler 14 keep moving up and down.

Back suspension device comprises after poppet 21, rear lower swing arm 23, rear top link 22, bumper assembly 15 and attaching parts 24, and rear lower swing arm 23, rear top link 22, bumper assembly 15 and attaching parts 24 are centrosymmetric and are distributed in after poppet 21 both sides.After poppet 21 is rectangular and have two, after poppet 21 is oppositely arranged and bottom is connected on chassis 50, the top of after poppet 21 is fixed with rear connecting panel 27, rear connecting panel 27 is parallel with chassis 50, on rear connecting panel 27, be provided with the back vertical plate 26 perpendicular to rear connecting panel 27, back vertical plate 26 is connected on Vee formation frame 62, Vee formation frame 62 is affixed on rear connecting panel 27, on four jiaos of after poppet 21, be all fixed with back stay 18b, back stay 18b also comprises rear top rod 281 and rear lower link 282, on back vertical plate 26, be provided with two rear leg 161b, on two rear leg 161b, offer leg holes, leg holes is set on rear top rod 281.After poppet 21, chassis 200 and rear connecting panel 27 form the skeleton of a cube shaped, monolithic stability; Back vertical plate 26 is connected in Vee formation frame 62, and Vee formation frame 62 is affixed on rear connecting panel 27, has regulated easily back vertical plate 26 to be positioned at the position on after poppet 21; Back vertical plate 26 arranges two rear leg 161b and is set in back stay 18b above, and entirety forms the feature of 3 definite planes, ensures that back vertical plate 26 is vertical with back stay 18b, location positioning.

Rear top link 22 comprises rear upper body portion 221, be separately positioned on rear upper installation portion 222 and the rear upper connecting portion 223 at rear upper body portion 221 two ends, rear upper body portion 221 is triangular in shape or trapezoidal, rear upper installation portion 222 is positioned at one side of rear upper body portion 221 and is provided with rear upper mounting hole 224, rear upper mounting hole 224 is set on rear top rod 281, on rear upper installation portion 222, offer rear grooving 225, rear leg 161a on back vertical plate 26 is set on rear top rod 281, being positioned at the outer and rear upper installation portion 222 of rear grooving 225 can abut on rear leg 161a, rear upper connecting portion 223 is positioned on the wedge angle that rear upper installation portion 222 is relative, joint ball bearing 25 is connected on rear upper connecting portion 223, one end of attaching parts 24 is provided with the mounting hole that straight pin runs through joint ball bearing 25, joint ball bearing 25 can rotate and can rotate along straight pin around joint ball.Rear upper body portion 221 is arranged to triangle or trapezoidal, and goes up afterwards installation portion 222 and can abut on leg 161, installing space is provided can to bumper assembly 15, makes compact conformation; The joint ball bearing 25 that is connected on rear upper connecting portion 223 can be that rear top link 22 pendulum angles are large.

Rear lower swing arm 23 comprises rear lower body 231, is separately positioned on rear lower installation portion 232 and the rear lower connecting portion 233 at rear lower body 231 two ends, the side of rear lower body 231 protrudes and is provided with the rear lower installing port 234 that runs through rear lower body 231, one end of bumper assembly 15 is hinged in rear lower installing port 234, on rear lower installation portion 232, be provided with rear lower mounting hole 236, rear lower mounting hole 236 is set on rear lower link 282, offers hinged mouthful 235 and be hinged to one end of attaching parts 24 by bearing pin on rear lower connecting portion 233.Rear lower swing arm 23 sides protrude rear lower installing port 234 are set, easy for installation, simple in structure; Rear lower connecting portion 233 is hinged on attaching parts 24, and rear lower swing arm 23 rotates around bearing pin and back stay 18b, only has up and down and rotates, and path of motion is stable.

Attaching parts 24 comprises rear shaft 241, be separately positioned on articulated section, two ends 243 and the U slot part 242 of rear shaft 241, on U slot part 242, offer U-lag 246, straight pin runs through joint ball bearing 25 and is arranged in U-lag 246, on rear shaft 241, offer the shaft hole 244 of through-connections 24, rear rotating shaft 60a is installed in shaft hole 244, the diameter of axle of rear rotating shaft 60a is perpendicular to the residing plane of axis of rear top rod 281 and rear lower link 282, rear rotating shaft 60a is perpendicular to rear shaft 241, rear rotating shaft 60a protrudes one end installing wheel 300 of attaching parts 24, the other end is inwardly connected to driving system 30, on articulated section 243, offer hinge hole 245, rear lower connecting portion 233 offers groove 237, articulated section 243 snaps in groove 237, bearing pin is through hinged mouthful 235 and the articulated section 243 in groove 237 of rear lower connecting portion 233, attaching parts 24 is hinged on rear lower connecting portion 233.

Bumper assembly 15 all includes bumper 151, be arranged on the end cap 152 at bumper 151 two ends and be set in the damping spring 153 on bumper, the two ends of damping spring 153 are resisted against on end cap 152, on end cap 152, be provided with joint ball, bumper assembly 15 is hinged with front vertical plate 16 and front lower swing arm 13 or back vertical plate 26 and rear lower swing arm 23 respectively by joint ball.

This juvenile motor vehicle is under initial condition, chassis 200 horizontal positioned, front suspension apparatus is arranged on the front end on chassis 200, back suspension device is arranged on the tail end on chassis 200, in the time that front-wheel shakes, the vibrations of front-wheel are delivered on front rotary shaft 60a, the tumbler 14 entirety vibrations of front rotary shaft 60a are installed, because front top link 12 is all connected by the form of joint ball bearing 25 with tumbler 14 with front lower swing arm 13, entirety forms quadrilateral structure, the position of front top rod 181 and front lower link 182 immobilizes, thereby 14 meetings of tumbler move up and down along with the rotation of front top link 12 and front lower swing arm 13, can not swing, thereby 300 of wheels can vertical tremor, bumper assembly 15 is by damping spring 153 dampings simultaneously, can prevent the fast vibrations of wheel 300, make driving stability, in the time that needs turn to, steering hardware pulls tumbler 14, tumbler 14 rotates around adapter shaft 147,

In the time that trailing wheel shakes, the vibrations of trailing wheel are delivered on rear rotating shaft 60b, the attaching parts 24 entirety vibrations of rotating shaft 60b after installing, rear top link 22 is connected on attaching parts 24 by joint ball bearing 25, rear lower swing arm 23 is hinged to attaching parts 24, entirety forms quadrilateral structure, the position of rear top rod 281 and rear lower link 282 immobilizes, thereby 14 meetings of tumbler move up and down along with the rotation of rear top link 22 and rear lower swing arm 23, can not swing, thereby 300 of wheels can vertical tremor, bumper assembly 15 is by damping spring 153 dampings simultaneously, can prevent the fast vibrations of wheel 300, make driving stability, simultaneously, the rear rotating shaft 60b of trailing wheel is connected to 4 wheel driven driving device, provide propulsive effort to trailing wheel, vehicle is moved ahead.

Steering hardware comprises the first deflector 400, the second deflector 4019, the first transmission device 4020, the second transmission device 4029, gear 4035 axles 4030 and steering unit 4032, the first transmission device 4020 is arranged between the first deflector 400 and gear 4035 axles 4030, the second transmission device 4029 is arranged between the second deflector 4019 and gear 4035 axles 4030, steering unit 4032 is by panel block 4033, joystick 4034 and auxiliary mechanism 4038 form, gear 4035 axles 4030 are laterally plugged in panel block 4033 and are evenly distributed with multiple catching grooves 4031 in the front of gear 4035 axles 4030, joystick 4034 is axially plugged in panel block 4033 and on joystick 4034, is provided with gear 4035, and gear 4035 is evenly distributed with the latch 4036 of multiple settings corresponding to catching groove 4031, juvenile motor vehicle is in steering procedure, gear 4035 axles 4030 are because motion may cause departing from gear 4035, but because gear 4035 axles 4030 are plugged in panel block 4033, make to a certain extent gear 4035 axles 4030 can fit together with gear 4035, the normal operation that guarantee turns to, latch 4036 is provided with the arc surface that active flank 4037 and active flank 4037 is evagination, between adjacent two latches 4036, connect with interior concaved circular cambered surface, in engagement process, latch 4036 can closely engage with catching groove 4031, simultaneously again because the arc surface that active flank 4037 is evagination, latch 4036 can be separated smoothly with catching groove 4031, make can successfully operate between gear 4035 and gear 4035 axles 4030, make to drive more comfortable, accessory part comprises spring 4039 and auxiliary block 4040, auxiliary block 4040 is positioned at the reverse side of gear 4035 axles 4030 and is stuck on gear 4035 axle 4030 sides, be provided with at auxiliary block 4040 middle parts spring inlay card portion 4041 and spring 4039 be arranged between spring inlay card portion 4041 and panel block 4033, the phenomenon that gear 4035 and gear 4035 axles 4030 may have catching groove 4031 and latch 4036 no longer to fit tightly due to long running, but owing to having increased accessory part, especially the spring 4039 in accessory part forces latch 4036 closely to engage with catching groove 4031, improve the tenure of use of steering unit 4032.

Preferably, the first deflector 400 and the second deflector 4019 are by mainboard 4010, the first baffle plate 4012, second baffle 4013 and transmission arm 4015 form, the first baffle plate 4012, second baffle 4013 is connected as a single entity and the first baffle plate 4012 with mainboard 4010, second baffle 4013 symmetrical parallel are arranged on mainboard 4,010 one sides, boss is arranged on mainboard 4010 opposite sides, in the time of commutation, the first baffle plate 4012, second baffle 4013 and mainboard 4010 will be controlled turning to of automobile, this three's constant intensity will directly affect stability and the safety of commutation during this time, by the first baffle plate 4012, second baffle 4013 and the integrated design of mainboard 4010, the pressure producing in the time turning to is evenly distributed on whole commutator, make commutator more firm, increase the safety of travelling, on boss, offer vertically and run through the cylindrical hole that mainboard 4010 arranges, transmission arm 4015 is made up of extension 4016 and turning point 4017, extension 4016 is that a cuboid and one end and the first baffle plate 4012 are connected, the other end and turning point 4017 are connected, turning point 4017 is 90 degree with the angle of extension 4016, in the time of commutation, transmission arm 4015 plays a major role, the power that acts on transmission arm 4015 is delivered to the first baffle plate 4012, on second baffle 4013 and mainboard 4010, thereby reach the object of commutation, therefore the intensity of transmission arm 4015 is particularly important, by integrated to transmission arm 4015 and the first baffle plate 4012, strengthen its intensity, stability and the safety of commutation have obtained further guarantee, commutator simple in structure, and commutation diversification.

Preferably, between the first baffle plate 4012 and mainboard 4010, be provided with at least one first bracing frame 4011, the first bracing frame 4011 is triangular plate, between second baffle 4013 and mainboard 4010, be provided with at least one second bracing frame 4014, the second bracing frame 4014 is triangular plate, between transmission arm 4015 and the first baffle plate 4012, be provided with at least one the 3rd bracing frame 4018, the 3rd bracing frame 4018 is triangular plate, deflector is used comparatively frequent at driving procedure, increase again bracing frame, and bracing frame is triangular plate, in saving material, to strengthening the first baffle plate 4012, second baffle 4013, Joint strenght between mainboard 4010 and transmission arm 4015, further increase the steadiness of commutator, can play and support the stable of the each structure of deflector, increase driving safety coefficient.

Preferably, the first baffle plate 4012, second baffle 4013 be setting vertical with mainboard 4010 respectively, turning point 4017 and the first baffle plate 4012 be arranged in parallel, between the first baffle plate 4012, second baffle 4013 and mainboard 4010 in ensureing enough Joint strenght, make the space maximum forming between three, convenient other parts that are connected juvenile motor vehicle, turning point 4017 and the first baffle plate 4012 be arranged in parallel, can not produce angular deviation, cause deflector wearing and tearing, and can, in the situation that not losing its function, save commutator footprint.

Preferably, the first transmission device 4020 and the second transmission device 4029 are equipped with the first commutator 4025 and the second commutator 4028, commutator is made up of ball seat 4026 and pole socket 4027, ball seat 4026 inner sides and ball seat 4026 outsides are hemisphere face, the ball seat 4026 hemispherical diameters in inner side are a bit larger tham the diameter of screw 4022, pole socket 4027 is hollow cylinder, the interior diameter of hollow cylinder is a bit larger tham the diameter of drive link, ball seat 4026 is fixedly connected with pole socket 4027, and the ball seat 4026 of the first commutator 4025 and the second commutator 4028 is towards the opposite.

Preferably, the first commutator 4025 and the second commutator 4028 are equipped with spherical movable pin 4021, spherical movable pin 4021 is by screw 4022, pivot pin 4023 and connecting portion 4024, connecting portion 4024 be shaped as round platform, connecting portion 4024 table tops are fixedly connected with screw 4022, bottom surface is fixedly connected with pivot pin 4023, and bottom surface diameter is greater than the diameter of pivot pin 4023.

Preferably, spring inlay card portion 4041 is shaped as annular arrangement, because the shape of cross section of spring 4039 is on the market circular, the shape design of spring inlay card portion 4041, can adapt to most spring 4039, in divertical motion, between gear 4035 and gear 4035 axles 4030, carry out gear motion, now can ensure that spring 4039 can not change by occurrence positions, can act on auxiliary block 4040 always, indirectly ensured combining closely of gear 4035 axles 4030 and gear 4035, thereby ensureing to turn to smoothly carries out simultaneously.

These children auto steerer is under initial condition, driver rotates joystick 4034, gear 4035 on joystick 4034 is rotated, latch 4036 on gear 4035 engages with the catching groove 4031 of gear 4035 axles 4030, again because the arc surface that active flank 4037 is evagination, catching groove 4031 can be skidded off along arc surface, gear 4035 axle 4030 parallel motions are driven, complete by the straight-line motion that rotatablely moves (or approximate straight line motion), the motion of gear 4035 axles 4030, power is delivered to the first transmission device 4020 and the second transmission device 4029, the first deflector 400 is also changed direction along with moving of the first transmission device 4020, the second deflector 4019 is also along with the running transform direction of the second transmission device 4029, and the direction of the first deflector 400 and the second deflector 4019 changes consistent.

Claims (10)

1. a juvenile motor vehicle, comprise vehicle frame, be arranged on the chassis of bottom of frame and be arranged on four wheels on vehicle frame, it is characterized in that, in vehicle frame, be provided with 4 wheel driven driving device, steering hardware, front suspension apparatus and back suspension device, described front suspension apparatus is arranged on the one end on chassis and is connected with steering hardware, described back suspension device is arranged on the other end on chassis and is connected with 4 wheel driven driving device, described 4 wheel driven driving device comprises two motors, above-mentioned four wheels are separately positioned on the both sides of two motors, wherein at least one motor is connected with corresponding two wheels respectively by diff, described motor is connected with diff by input shaft, described diff comprises body skin and is arranged in body skin and has the inner housing of driven gear, on this diff, being also provided with can be by locked inner housing and make the differential locking-device of the first semiaxis and the synchronized rotation of the second semiaxis.

2. juvenile motor vehicle according to claim 1, it is characterized in that, the first described semiaxis and the second semiaxis be coaxial to be arranged and arrange vertical with input shaft respectively, described the first semiaxis is connected with corresponding two wheels by transmission shaft respectively with the second semiaxis, described input shaft has main gear and input shaft stretches in body skin and is connected with a joggle by main gear and driven gear, in inner housing, be provided with and the first semiaxis and the second semiaxis the first adapter shaft and second adapter shaft of corresponding setting respectively, at the first adapter shaft, on the second adapter shaft, be respectively equipped with the first side gear and the second side gear, in inner housing, by planet axis, at least one pair of planetary wheel is installed, each planetary wheel is all connected with a joggle between the first side gear and the second side gear and rotates relative to inner housing.

3. juvenile motor vehicle according to claim 2, it is characterized in that, described differential locking-device comprises control stalk, return unit and can be by movable part locked inner housing, movable part comprises grafting piece and can be by lock dog locked inner housing, described lock dog has annular groove and is movably arranged on the first adapter shaft, described control stalk is articulated and connected on grafting piece and return unit fixes between control stalk and grafting piece, on described grafting piece, be provided with at least two inserting columns that can stretch in annular groove, and return unit drives grafting piece to move and makes to peg graft piece drive lock dog disengaging inner housing in the time of control stalk compression return unit.

4. according to claim 1 or 2 or 3 or described juvenile motor vehicle, it is characterized in that, described front suspension apparatus comprises front frame, front lower swing arm, front top link and tumbler, described front lower swing arm, front top link, bumper assembly and tumbler are centrosymmetric and are distributed in front frame both sides, described front frame is connected on chassis, one end of described front lower swing arm and front top link is hinged on respectively front frame two ends, the other end of described front top link and front lower swing arm is connected respectively to the two ends of tumbler by joint ball bearing, described tumbler can be around the joint ball bearing rotary of front lower swing arm, described back suspension device comprises after poppet, rear lower swing arm, rear top link and attaching parts, described rear lower swing arm, rear top link, bumper assembly and attaching parts are centrosymmetric and are distributed in after poppet both sides, described after poppet is connected on chassis, one end of described rear lower swing arm and rear top link is hinged on respectively the two ends of after poppet, the other end of rear top link is connected to one end of attaching parts, the other end of rear lower swing arm is hinged to the other end of attaching parts.

5. juvenile motor vehicle according to claim 4, it is characterized in that, described front suspension apparatus and back suspension device all also include bumper assembly, bumper assembly comprises bumper, be arranged on the cover plate at bumper two ends and be set in the damping spring on bumper, the two ends of described damping spring are against on the cover board, on described cover plate, be provided with joint ball, on after poppet and front frame, be fixed with respectively back vertical plate and front vertical plate, bumper is hinged with front vertical plate and front lower swing arm or back vertical plate and rear lower swing arm respectively by joint ball.

6. juvenile motor vehicle according to claim 5, it is characterized in that, described tumbler comprises forward axial region, on forward axial region, offer forward axis hole and protrude and form concave part at the two ends of forward axial region, the front rotary shaft being connected with wheel is installed in forward axis hole, adapter shaft is installed in concave part and protrudes adapter shaft the front lower joint ball that forms ball-and-socket joint portion composition, the two ends of adapter shaft are affixed to concave part, described front lower swing arm is connected on joint portion, in a side of concave part, protrude and be formed with cradle portion and described joint ball is connected in cradle portion, on tumbler, be also provided with the turning part perpendicular to cradle portion, and described turning part can drive cradle portion to rotate around adapter shaft.

7. juvenile motor vehicle according to claim 6, it is characterized in that, described attaching parts comprises rear shaft, is separately positioned on articulated section, two ends and the U slot part of rear shaft, shaft hole the rear rotating shaft being connected with wheel is installed in rear shaft hole after offering on rear shaft, on articulated section, offer hinge hole, on rear lower swing arm, offer groove and described articulated section snaps in groove, described rear lower swing arm runs through hinge hole with articulated section by bearing pin and is connected.

8. according to the juvenile motor vehicle described in claim 1 or 2 or 3, it is characterized in that, described steering hardware comprises the first deflector, the second deflector, the first transmission device, the second transmission device, gear wheel shaft and steering unit, described the first transmission device is arranged between the first deflector and gear wheel shaft, described the second transmission device is arranged between the second deflector and gear wheel shaft, described steering unit is by panel block, joystick and auxiliary mechanism form, described gear wheel shaft is laterally plugged in panel block and is evenly distributed with some catching grooves in the front of gear wheel shaft, described joystick shaft is provided with gear to being plugged in panel block and on joystick, and described gear is evenly distributed with the latch of some settings corresponding to catching groove, described latch is provided with the arc surface that active flank and active flank are evagination, between adjacent two latches, connect with interior concaved circular cambered surface, described accessory part comprises spring and auxiliary block, described auxiliary block is positioned at the reverse side of gear wheel shaft and is stuck on gear wheel shaft side, be provided with spring inlay card portion and described spring fitting at auxiliary block middle part between spring inlay card portion and panel block.

9. juvenile motor vehicle according to claim 8, it is characterized in that, described the first deflector and the second deflector are by mainboard, the first baffle plate, second baffle and transmission arm form, described the first baffle plate, second baffle and mainboard are connected as a single entity and described the first baffle plate, second baffle symmetrical parallel is arranged on mainboard one side, described boss is arranged on mainboard opposite side, on described boss, offer vertically and run through the cylindrical hole that mainboard arranges, described transmission arm is made up of extension and turning point, described extension is that a cuboid and one end and the first baffle plate are connected, the other end and turning point are connected, the angle of described turning point and extension is 90 degree, between described the first baffle plate and mainboard, be provided with at least one first bracing frame, between described second baffle and mainboard, be provided with at least one second bracing frame, between described transmission arm and the first baffle plate, be provided with at least one the 3rd bracing frame.

10. juvenile motor vehicle according to claim 9, it is characterized in that, described the first transmission device and the second transmission device are equipped with the first commutator and the second commutator, the first commutator and the second commutator form by ball seat and pole socket, outside described ball seat inner side and ball seat, be the diameter that hemispherical diameter inside hemisphere face and described ball seat is a bit larger tham screw, described pole socket is the diameter that the interior diameter of hollow cylinder and hollow cylinder is a bit larger tham drive link, described ball seat is fixedly connected with pole socket, and the ball seat of described the first commutator and the second commutator is towards the opposite.