CN103978893A - Dual-drive transmission system for child automobile - Google Patents
Dual-drive transmission system for child automobile Download PDFInfo
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- CN103978893A CN103978893A CN201410140394.0A CN201410140394A CN103978893A CN 103978893 A CN103978893 A CN 103978893A CN 201410140394 A CN201410140394 A CN 201410140394A CN 103978893 A CN103978893 A CN 103978893A
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Abstract
The invention provides a dual-drive transmission system for a child automobile, and belongs to the technical field of vehicles. The dual-drive transmission system for the child automobile comprises a motor, a differential and two front driving wheels, wherein the motor is connected with the differential through an input shaft provided with a main gear; a first half axle and a second half axle are symmetrically arranged on the differential, and are connected with the two driving wheels respectively through driving shafts; the differential comprises an outer shell and an inner shell arranged in the outer shell; a driven gear is arranged on the outer side wall of the inner shell; a differential lock which can be used for locking the first half axle, the second half axle and the inner shell is further arranged on the differential; the motor comprises a stator assembly, a rotor assembly and an electric brush assembly. The dual-drive transmission system for the child automobile has the advantages of reasonable design, simple structure and locking function of the differential.
Description
Technical field
The invention belongs to vehicle technology field, relate to a kind of Dual Drive driving system 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.
Juvenile motor vehicle is a product between toy for children automobile and adult's automobile, and it is a adult's automobile driving simulation device, the sensation when sensation while driving juvenile motor vehicle is grown up automobile close to driving reality.Juvenile motor vehicle has the child enthusiasm of transfer, Improve thinking develops and form all multiple actings and the advantages such as hand brain use, hands-on custom, its approach reality be grown up that child that design of automobile also makes to drive juvenile motor vehicle drives a car after growing to manhood can the quicker left-hand seat of more general child.
The structure of juvenile motor vehicle is with actual adult's automobile construction is similar but relative toy for children automobile construction is more complicated, and its inside possesses the parts of similar adult's automobiles such as motor, diff, Lighting System, brake system, suspension system, chassis.
The driving system of automobile is generally made up of diff, motor, driving wheel etc., in prior art, in toy for children automobile, be not equipped with diff, more do not possess Dual Drive driving system, toy for children automobile is only often to advance by the moving wheel that drives of simple motor straight tape splicing, designs unreasonablely, and stability is not good, and the Dual Drive drive system structure of adult's automobile is too complicated, be not suitable for juvenile motor vehicle.
In sum, need to design a kind of Dual Drive driving system of reasonable in design, simple in structure, juvenile motor vehicle that diff has locking function.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of Dual Drive driving system of reasonable in design, simple in structure, juvenile motor vehicle that diff has locking function.
Object of the present invention can realize by following technical proposal: a kind of Dual Drive driving system of juvenile motor vehicle, comprise motor, diff and two driving front-wheels, described motor is connected with diff by the input shaft with main gear, on described diff, be symmetrically arranged with the first semiaxis, the second semiaxis, described the first semiaxis, the second semiaxis is connected with two driving front-wheels by transmission shaft respectively, described diff comprises body skin and is arranged on the inner housing in body skin, on the lateral wall of described inner housing, driven gear is installed, on this diff, being also provided with can be by the first semiaxis, the second semiaxis, the differential locking-device that inner housing three is locked, described motor comprises stator module, rotor assembly and brush assembly of electric.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described input shaft stretches in body skin and is connected with a joggle by main gear and driven gear, in described inner housing, be provided with and the first semiaxis, the second semiaxis the first adapter shaft, second adapter shaft of corresponding setting respectively, on described the first adapter shaft, the second adapter shaft, be respectively equipped with the first side gear, the second side gear, at least one pair of planetary wheel is installed in described inner housing, and 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 the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described differential locking-device comprises control stalk, return unit and movable part, described movable part is movably arranged on the first adapter shaft, described return unit and movable part are connected, described control stalk is articulated and connected on movable part, described control stalk can rotate and compress or unclamp return unit around the hinged support of movable part, in the time of control stalk compression return unit, return unit drives movable part to depart from inner housing, in the time that control stalk unclamps return unit, return unit resets and drives movable part by the first semiaxis under the effect of reset screen resilience, the second semiaxis, inner housing three is locked.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described movable part comprises grafting piece and lock dog, described lock dog has ring lock 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 ring lock groove, in the time of control stalk compression return unit, return unit drives grafting piece to move, the piece of simultaneously pegging graft drives lock dog to depart from inner housing, in the time that control stalk unclamps return unit, return unit drives grafting block reset and drives lock dog by the first semiaxis under the effect of reset screen resilience, the second semiaxis, inner housing three is locked.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, the end face that described inner housing faces the first semiaxis is provided with some projections, and the end face that described lock dog faces inner housing is provided with and projection some draw-in grooves one to one.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described number of slugs is that four and uniform ring face on the end face of the first semiaxis around being distributed in inner housing, and the width of described draw-in groove is slightly larger than the width of projection.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described the first adapter shaft middle part is provided with synchronous external gear, described lock dog middle part offers center lock through hole, on the madial wall of described center lock through hole, be provided with and synchronize the synchronous inner rack that external gear is meshed, described lock dog is movably arranged on the first adapter shaft by synchronous inner rack and can be along the first adapter shaft axial translation.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described body skin is made up of end cap and drain pan, is provided with at least one reinforced rib on described drain pan.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described control stalk is arranged on outside end cap, and described grafting piece part is stretched out outside end cap, and described control stalk one end is articulated and connected on grafting piece, and the other end is provided with a draw ring.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described return unit is torque spring and is arranged on outside end cap, described return unit is made up of " U " shape compression unit, installation portion, " L " shape butting section, described compression unit is fastened on control stalk, described installation portion fixes between control stalk and end cap, and described butting section end is resisted against on the lateral wall of end cap.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described planetary quantity is two.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described the first semiaxis and the second semiaxis coaxially arrange, and described the first semiaxis, the second semiaxis be arrange vertical with input shaft respectively.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described stator module comprises casing, protecgulum, lining, permanent magnetic iron, described rotor assembly comprises center shaft, commutator, coil, described brush assembly of electric comprises bonnet, brush and symmetry are arranged on the two-terminal on bonnet outer face, described protecgulum, bonnet is arranged on respectively casing two ends and three seals formation one containing cavity, described lining, permanent magnetic iron, commutator, coil is all arranged in containing cavity, described lining is set in outside center shaft, described permanent magnetic iron is set in outside lining and is clamped between protecgulum and commutator, described coil is arranged between internal side of shell wall and permanent magnetic iron lateral wall, the lateral wall of described coil is provided with soft magnetosphere, described commutator is connected with coil and is clamped between permanent magnetic iron and bonnet, described center shaft runs through successively and passes through protecgulum, lining, commutator, bonnet is also connected with commutator.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described casing is shaped as cylindrical shape, and described protecgulum, bonnet are all chosen as the circular end cap of setting corresponding to casing.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, one end that described casing faces protecgulum offers fixed groove, and described protecgulum fixes in fixed groove, and described protecgulum deviates from the outer face of containing cavity and the outer face of corresponding casing flushes.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described protecgulum comprises the permanent seat being arranged in fixed groove, described permanent seat deviates from the outer face of containing cavity and the outer face of corresponding casing flushes, described permanent seat middle part extends to form leaning seat in containing cavity, described permanent magnetic iron is clamped between leaning seat and commutator, described permanent magnetic iron lateral surface flushes with leaning seat lateral surface, described permanent seat faces on the inner end surface of containing cavity and offers annual seat groove, described annual seat groove is between leaning seat lateral wall and permanent seat lateral wall, described coil one end is stretched in annual seat groove, the other end is connected with commutator, described permanent seat middle part offers centre mount through hole and lining is embedded in centre mount through hole, on described permanent seat, also offer some auxiliary through hole that uniform ring distributes around centre mount through hole, auxiliary through hole is axially disposed within on leaning seat along centre mount through hole.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described center shaft two ends are separately installed with ball-bearing casing, described permanent seat middle part offers the bearing mounting groove communicating with centre mount through hole, ball-bearing casing near protecgulum on described center shaft is arranged in bearing mounting groove, ball-bearing casing near bonnet on described center shaft is arranged on the outer face of bonnet, and each ball-bearing casing is provided with outward adjusts packing ring and shaft block ring.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described commutator comprises against boss, Connection Block and some contacts, described lining one end is resisted against near on the ball-bearing casing of bonnet, and the other end is resisted against on boss, and described coil is connected with contact by Connection Block.
In the Dual Drive driving system of above-mentioned a kind of juvenile motor vehicle, described lining and against being provided with adjustment packing ring between boss.
Compared with prior art, the present invention has following advantage:
1, reasonable in design, 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;
2, driver can realize the locked function of diff by controlling differential locking-device quickly and easily, reasonable in design, what make that two-semiaxle connects two drives front-wheels can realize synchronized rotation, and front-wheel and trailing wheel keep same rotating speed, when vehicle is got into a difficult position, can depart from time;
3, motor directly drives front-wheel with semiaxis after diff, does not need through transmission shaft, and kinetic equation loss is less, reduces energy resource consumption.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the present invention.
Fig. 2 is the local structure schematic diagram of a preferred embodiment of the present invention.
Fig. 3 is the structural representation of diff in a preferred embodiment of the present invention.
Fig. 4 is that in a preferred embodiment of the present invention, diff is removed the structural representation after end cap.
Fig. 5 is the connection structure schematic diagram between the first semiaxis and the second semiaxis in a preferred embodiment of the present invention.
Fig. 6 is the structural representation of differential locking-device in a preferred embodiment of the present invention.
Fig. 7 is that Fig. 5 removes the structural representation after differential locking-device.
Fig. 8 is the structural representation of piece of pegging graft in a preferred embodiment of the present invention.
Fig. 9 is the structural representation of return unit in a preferred embodiment of the present invention.
Figure 10 is the structural representation of lock dog in a preferred embodiment of the present invention.
Figure 11 is the structural representation of inner housing in a preferred embodiment of the present invention.
Figure 12 is the structural representation of motor in a preferred embodiment of the present invention.
Figure 13 is the cutaway view of motor in a preferred embodiment of the present invention.
Figure 14 is the structural representation of protecgulum in a preferred embodiment of the present invention.
Figure 15 is the structural representation of commutator in a preferred embodiment of the present invention.
In figure, 100, motor; 10, stator module; 11, casing; 111, fixed groove; 12, protecgulum; 121, permanent seat; 1211, annual seat groove; 1212, centre mount through hole; 1213, auxiliary through hole; 1214, bearing mounting groove; 122, leaning seat; 13, lining; 14, permanent magnetic iron; 20, rotor assembly; 21, center shaft; 22, commutator; 221, against boss; 222, Connection Block; 223, contact; 23, coil; 24, soft magnetosphere; 30, brush assembly of electric; 31, bonnet; 32, terminal; 40, containing cavity; 50, ball-bearing casing; 60, adjust packing ring; 70, shaft block ring; 200, diff; 2010, body skin; 2011, end cap; 2012, drain pan; 20121, reinforced rib; 2020, input shaft; 2021, main gear; 2030, inner housing; 2031, driven gear; 2032, projection; 2040, the first semiaxis; 2050, the second semiaxis; 2060, the first adapter shaft; 2061, the first side gear; 2062, synchronous external gear; 2070, the second adapter shaft; 2071, the second side gear; 2080, planetary wheel; 2090, differential locking-device; 2091, control stalk; 20911, draw ring; 2092, return unit; 20921, compression unit; 20922, installation portion; 20923, butting section; 2093, movable part; 20931, grafting piece; 209311, inserting column; 20932, lock dog; 209321, ring lock groove; 209322, draw-in groove; 209323, center lock through hole; 209324, synchronous inner rack; 300, drive front-wheel; 400, from wheel; 500, transmission shaft.
Detailed description of the invention
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Fig. 1 to Figure 15, the Dual Drive driving system of this juvenile motor vehicle comprises motor 100, diff 200 and two driving front-wheels 300, motor 100 is connected with diff 200 by the input shaft 2020 with main gear 2021, on diff 200, be symmetrically arranged with the first semiaxis 2040, the second semiaxis 2050, the first semiaxis 2040, the second semiaxis 2050 is connected with two driving front-wheels 300 by transmission shaft 500 respectively, diff 200 comprises body skin 2010 and is arranged on the inner housing 2030 in body skin 2010, driven gear 2031 is installed on the lateral wall of inner housing 2030, on this diff 200, being also provided with can be by the first semiaxis 2040, the second semiaxis 2050, the differential locking-device 2090 that inner housing 2030 threes are locked, motor 100 comprises stator module 10, rotor assembly 20 and brush assembly of electric 30.
It is worth mentioning that, this Dual Drive driving system also comprises that two is non-driving trailing wheel from wheel 400(as shown in Figure 1), driving wheel in this case is chosen as front-wheel (being that front-wheel is two drives), also can be chosen as trailing wheel (being that trailing wheel is two drives) according to actual conditions, corresponding diff 200 changes to and the installation site that drives front-wheel 300 with orientation.The installation site of motor 100 can arrange relatively more flexibly, is not limited to the certain and diff 200 of motor 100 in same orientation, between motor 100 and diff 200, can be connected with adapter shaft, simple in structure.
In addition, be applicable in the vehicle of this case diff 200 at juvenile motor vehicle etc., the propulsive effort of motor 100 imports into via input shaft 2020, and last propulsive effort sends respectively two driving front-wheels 300 of vehicle to by transmission shaft 500 via the first semiaxis 2040, the second semiaxis 2050.
Preferably, the driving wheel in this case is chosen as front-wheel, is characterized in that nose heave tail is light, makes the above weight of integrated child automobile sixty percent concentrate on vehicle body leading portion, and because car load " is hauled away " by front-wheel, therefore car load straight motion stability can be good.Motor 100 directly drives front-wheel 300 with semiaxis after diff 200, does not need through transmission shaft, and kinetic equation loss is less, is applicable to the similar dillies such as juvenile motor vehicle.
As shown in Fig. 3 to Figure 11, preferably, input shaft 2020 stretches in body skin 2010 and by main gear 2021 and driven gear 2031 and is connected with a joggle, in inner housing 2030, be provided with and the first semiaxis 2040, the second semiaxis 2050 corresponding the first adapter shaft 2060 arranging respectively, the second adapter shaft 2070, the first adapter shaft 2060, on the second adapter shaft 2070, be respectively equipped with the first side gear 2061, the second side gear 2071, at least one pair of planetary wheel 2080 is installed in inner housing 2030, each planetary wheel 2080 is all connected with a joggle between the first side gear 2061 and the second side gear 2071 and rotates relative to inner housing 2030.
Above-mentioned planetary wheel 2080 can be arranged in inner housing 2030 by planet axis (not shown), reasonable in design, installs more convenient.
Preferably, differential locking-device 2090 comprises control stalk 2091, return unit 2092 and movable part 2093, movable part 2093 is movably arranged on the first adapter shaft 2060, return unit 2092 is connected with movable part 2093, control stalk 2091 is articulated and connected on movable part 2093, control stalk 2091 can rotate and compress or unclamp return unit 2092 around the hinged support of movable part 2093, in the time that control stalk 2091 compresses return unit 2092, return unit 2092 drives movable part 2093 to depart from inner housing 2030, in the time that control stalk 2091 unclamps return unit 2092, return unit 2092 resets and drives movable part 2093 by the first semiaxis 2040 under the effect of reset screen resilience, the second semiaxis 2050, 2030 threes are locked for inner housing.
In practical work process, can be connected with control stalk 2091 by external device, and then realize the opening and closing of differential locking-device 2090.This diff 200 is under initial condition, driver is by extraneous (stay cord etc.) assembly manipulation control stalk 2091 state in compression return unit 2092 always, movable part 2093 now and inner housing 2030 are in disengaged position, diff 200 is not locked, that is to say that diff 200 is in normal working; In the time that driver need to be adjusted to diff 200 locking state (losing differential function), only need unclamp control stalk 2091, make the natural resilience of return unit 2092 and drive movable part 2093 that the first semiaxis 2040, the second semiaxis 2050, inner housing 2030 is locked, thereby realize the first semiaxis 2040, the synchronized rotation of the second semiaxis 2050, diff 200 now has just lost differential action, above-mentioned diff 200 structure designs are simple, operating process is convenient, convenience is provided to people's daily life.
Preferably, movable part 2093 comprises grafting piece 20931 and lock dog 20932, lock dog 20932 has ring lock groove 209321 and is movably arranged on the first adapter shaft 2060, control stalk 2091 is articulated and connected on grafting piece 20931 and return unit 2092 fixes between control stalk 2091 and grafting piece 20931, on grafting piece 20931, be provided with at least two inserting columns 209311 that can stretch in ring lock groove 209321, in the time that control stalk 2091 compresses return unit 2092, return unit 2092 drives grafting piece 20931 to move, the piece 20931 of simultaneously pegging graft drives lock dog 20932 to depart from inner housing 2030, in the time that control stalk 2091 unclamps return unit 2092, return unit 2092 drives grafting piece 20931 to reset and drives lock dog 20932 by the first semiaxis 2040 under the effect of reset screen resilience, the second semiaxis 2050, 2030 threes are locked for inner housing.
The design of grafting piece 20931 and lock dog 20932, topology layout is compact tight and fixed, has both prevented the landing of movable part 2093 in working process, has ensured again the stability that diff 200 is worked.In addition, the cooperation of ring lock groove 209321 and inserting column 209311, reasonable in design and can not take larger space, in the first adapter shaft 2060 rotates, lock dog 20932 is along with the first adapter shaft 2060 rotates together, inserting column 209311 rests in ring lock groove 209321 always, does not affect the normal operation of this diff 200.
Preferably, the end face that inner housing 2030 faces the first semiaxis 2040 is provided with multiple projections 2032, the end face that lock dog 20932 faces inner housing 2030 is provided with and projection 2032 multiple draw-in grooves 209322 one to one, such structure design, rationally distributed and can effectively prevent the circumferential play of inner housing 2030 and lock dog 20932, lock dog 20932 also plays certain firm effect to inner housing 2030, has improved work efficiency, has ensured " the locked effect " of differential locking-device 2090.
In the time that driver need to be adjusted to locking state by diff 200, only need unclamp control stalk 2091, make the natural resilience of return unit 2092 and drive grafting piece 20931 to move, grafting piece 20931 drive lock dog 20932 by the first semiaxis 2040, the second semiaxis 2050,2030 threes are locked for inner housing, now projection 2032 fixes one by one in corresponding draw-in groove 209322, and structure design is simple and fixed.
Further preferably, projection 2032 quantity are that four and uniform ring face on the end face of the first semiaxis 2040 around being distributed in inner housing 2030, easy to process and can meet diff 200 real work demands.In addition, the width of design draw-in groove 209322 is slightly larger than the width of projection 2032, makes lock dog 20932 that the first semiaxis 2040, the second semiaxis 2050, inner housing 2030 threes are also had to certain dash clearance locked time.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 2032 and corresponding draw-in groove 209322 that a little skew occurs, if the width design of draw-in groove 209322 equates with the width of projection 2032, may cause projection 2032 cannot accurately snap in the situation of corresponding draw-in groove 209322, affect work efficiency.
Preferably, the first adapter shaft 2060 middle parts are provided with synchronous external gear 2062, lock dog 20932 middle parts offer center lock through hole 209323, on the madial wall of center lock through hole 209323, be provided with and synchronize the synchronous inner rack 209324 that external gear 2062 is meshed, lock dog 20932 is movably arranged on the first adapter shaft 2060 by synchronous inner rack 209324 and can be along the first adapter shaft 2060 axial translation.Such reasonable in design, lock dog 20932 and the first adapter shaft 2060 are fitted tightly, effectively prevent the circumferential play of lock dog 20932, the first adapter shaft 2060 has also been played to firm effect, further ensured the synchronized rotation between the locked rear two-semiaxle of diff 200.
Preferably, body skin 2010 is made up of end cap 2011 and drain pan 2012, and Assembly &Disassembly is all more convenient.On drain pan 2012, be provided with at least one reinforced rib 20121, make body skin 2010 fixing more firm, improved the working stability of the each parts in body skin 2010.
Preferably, control stalk 2091 is arranged on outside end cap 2011, and grafting piece 20931 parts are stretched out outside end cap 2011, and control stalk 2091 one end are articulated and connected on grafting piece 20931, and the other end is provided with a draw ring 20911.Under initial condition, driver can pass draw ring 20911 by external devices such as stay cords, and then manipulation control stalk 2091 state in compression return unit 2092 always, simple in structure, easy to use.
Preferably, return unit 2092 is torque spring and is arranged on outside end cap 2011, return unit 2092 is made up of " U " shape compression unit 20921, installation portion 20922, " L " shape butting section 20923, compression unit 20921 is fastened on control stalk 2091, installation portion 20922 fixes between control stalk 2091 and end cap 2011, and butting section 20923 ends are resisted against on the lateral wall of end cap 2011.Reasonable in design, return unit 2092 coordinates closely with other parts, and in actual installation process, return unit 2092 is close on end cap 2011 lateral walls substantially, makes like this reset effect of return unit 2092 better.
Preferably, the quantity of planetary wheel 2080 is two, and planet axis is chosen as " one " font bearing pin, and simple in structure and energy practical requirement, is convenient to processing, and Assembly &Disassembly is also all more convenient.
Preferably, the first semiaxis 2040 and the second semiaxis 2050 coaxially arrange, and the first semiaxis 2040, the setting vertical with input shaft 2020 respectively of the second semiaxis 2050 are rationally distributed, have improved space availability ratio.
In this case, diff 200 is in vehicle straight-line travelling process, the propulsive effort of motor 100 turns to 90 ° via the main gear 2021 on input shaft 2020 and is delivered to driven gear 2031(Ring gear) on, driven gear 2031 drives two planetary wheels 2080 to rotate together (consistent with rotation of wheel direction), and drive two side gear rotations, thereby drive front-wheel 300 to advance.Now, owing to being straight-line travelling, two of left and right drive the suffered resistance of front-wheel 300 the same, therefore, and two planetary wheel 2080 not rotations.
In turn inside diameter process, because left and right drives the resistance difference that is subject to of front-wheel 300, between two side gears in left and right, will produce resistance difference, this just makes two planetary wheels 2080 when semiaxis rotates, also will produce rotation, thereby absorption resistance difference, make left and right drive front-wheel 300 to rotate with different speed, thereby allow vehicle complete smoothly turning.
In addition, in the situation that needs diff 200 lost efficacy, driver can control differential locking-device 2090 quickly and easily by locked diff 200, make the two driving front-wheels 300 that two semiaxis connect can realize synchronized rotation, and front-wheel and trailing wheel keep same rotating speed, when being got into a difficult position, vehicle can depart from time.
Further you need to add is that: under initial condition, driver can pass through external device (such as stay cord, button etc.) manipulation control stalk 2091 state in compression return unit 2092 always, now return unit 2092 applies an outside pressure to lock dog 20932 always, make movable part 2093 now keep disengaged position with inner housing 2030 always, now diff 200 is not locked, that is to say that diff 200 is in normal working.
In the process of moving, vehicle is when being absorbed in the situation in sand ground, driver need to be adjusted to diff 200 locking state (losing differential function), now only need to unclamp control stalk 2091 by external device (such as stay cord, button etc.), make the natural resilience of return unit 2092 and drive movable part 2093 and inner housing 2030 mating reactions, and then by locked to the first semiaxis 2040, the second semiaxis 2050, inner housing 2030, thereby realize the first semiaxis 2040, the synchronized rotation of the second semiaxis 2050, diff 200 now has just lost differential action.But above-mentioned projection 2032 is (i.e. the first semiaxis 2040 in the course of the work, in the second semiaxis 2050 rotation processes) disposable the snapping in exactly in corresponding draw-in groove 209322 surely of differing, the end that does not accurately snap in the projection 2032 in draw-in groove 209322 is resisted against on the end face that inner housing 2030 faces the first semiaxis 2040, relatively rotate in process with inner housing 2030 at the first semiaxis 2040, and under the elastic force effect of return unit 2092, above-mentioned projection 2032 slowly falls in corresponding draw-in groove 209322, and now return unit 2092 applies an inside pressure to lock dog 20932 always, projection 2032 is fixed securely in corresponding draw-in groove 209322, whole process coordinates closely, return unit 2092 is reasonable in design and simple in structure, improve whole work efficiency.
As shown in Figure 12 to Figure 15, preferably, in this case, stator module 10 comprises casing 11, protecgulum 12, lining 13, permanent magnetic iron 14, rotor assembly 20 comprises center shaft 21, commutator 22, coil 23, brush assembly of electric 30 comprises bonnet 31, brush (not shown) and symmetry are arranged on the two-terminal 32 on bonnet 31 outer faces, protecgulum 12, bonnet 31 is arranged on respectively casing 11 two ends and three seals formation one containing cavity 40, lining 13, permanent magnetic iron 14, commutator 22, coil 23 is all arranged in containing cavity 40, lining 13 is set in outside center shaft 21, permanent magnetic iron 14 is set in outside lining 13 and is clamped between protecgulum 12 and commutator 22, coil 23 is arranged between casing 11 madial walls and permanent magnetic iron 14 lateral walls, the lateral wall of coil 23 is provided with soft magnetosphere 24, commutator 22 is connected with coil 23 and is clamped between permanent magnetic iron 14 and bonnet 31, center shaft 21 runs through successively by protecgulum 12, lining 13, commutator 22, bonnet 31 is also connected with commutator 22.
Herein, if when design motor 100 approaches with diff 200 distances very much, 2020 of input shafts can directly replace with center shaft 21, can directly the center shaft 21 that main gear 2021 is installed be directly installed in diff 200.If while also having a segment distance between design motor 100 and diff 200, center shaft 21 is installed on input shaft 2020.
In practical work process, one end that center shaft 21 stretches out protecgulum 12 is the clutch end of motor 100, and it is connected with suspension system in juvenile motor vehicle, and the braking force that motor 100 is produced passes to each wheel, and then drives juvenile motor vehicle to travel.
It is worth mentioning that, in assembling process, can be first by outer lining 13 layer binder of smearing, afterwards permanent magnetic iron 14 is set in outside lining 13, after lining 13 coordinates with permanent magnetic iron 14, rapidly permanent magnetic iron 14 is rotated a circle, make adhesive agent more even diffusely, lining 13 and permanent magnetic iron 14 are coordinated closely, fixed.Certainly lining 13 is not limited only to aforesaid way with the fixed form of permanent magnetic iron 14, in the present embodiment, no longer enumerates.
Preferably, design the cylindrical shape that is shaped as of casing 11, protecgulum 12, bonnet 31 are all chosen as the circular end cap 2011 of setting corresponding to casing 11, such reasonable in design, be convenient to produce and processing, the volume after casing 11, protecgulum 12, bonnet 31 threes install is smaller, can effectively improve space availability ratio, certainly, also can adjust according to the actual requirements the volume scale of click.In addition, casing 11, protecgulum 12, bonnet 31 threes of said structure design all play a protective effect to the parts of motor 100 inside, can extend 100 service lifes of motor.
Further preferably, at least one can be set on casing 11 lateral walls journal stirrup is installed, motor 100 can be fixedly mounted in use occasion by journal stirrup is installed like this, in the course of the work, journal stirrup is installed and can be subject to extraneous application force impact, make casing 11 also can be subject to certain external influence power, but because center shaft 21 is arranged on casing 11 indirectly by protecgulum 12 and bonnet 31, it is less to the axial external influence power of its generation that center shaft 21 is now subject to casing 11, effectively improve work efficiency, extend the service life of center shaft 21 and motor 100.
Preferably, one end that casing 11 faces protecgulum 12 offers fixed groove 111, protecgulum 12 fixes in fixed groove 111, the outer face that protecgulum 12 deviates from containing cavity 40 flushes with the outer face of corresponding casing 11, such structure design has maximally utilised the available space of casing 11 and protecgulum 12, the less floor area of motor 100, in actual mechanical process, only need easily protecgulum 12 fastened or be simply arranged on casing 11 by bolt, fixed, Assembly &Disassembly protecgulum 12 is all more convenient.
Preferably, protecgulum 12 comprises the permanent seat 121 being arranged in fixed groove 111, the outer face that permanent seat 121 deviates from containing cavity 40 flushes with the outer face of corresponding casing 11, permanent seat 121 middle parts extend to form leaning seat in containing cavity 40, permanent magnetic iron 14 is clamped between leaning seat and commutator 22, permanent magnetic iron 14 lateral surfaces flush with leaning seat lateral surface, make the gap distribution between practical work process coil 23 and permanent magnetic iron 14 even, reasonable in design and compact in design, has ensured work efficiency.
Permanent seat 121 faces on the inner end surface of containing cavity 40 and offers annual seat groove 1211, annual seat groove 1211 is between leaning seat lateral wall and permanent seat 121 lateral walls, coil 23 one end are stretched in annual seat groove 1211, the other end is connected with commutator 22, that is to say that the length of coil 23 is greater than the length of permanent magnetic iron 14, and coil 23 has certain gap in containing cavity 40.Reasonable in design, has ensured the normal work of permanent magnetic iron 14 and coil 23, and Assembly &Disassembly coil 23 parts such as grade are all more convenient.
In addition, permanent seat 121 middle parts offer centre mount through hole 1212 and lining 13 is embedded in centre mount through hole 1212, can effectively prevent that like this lining 13 and permanent magnetic iron 14 from producing circumferential play at work, make lining 13 fixed, Assembly &Disassembly lining 13, protecgulum 12 are all more convenient.On permanent seat 121, also offer multiple auxiliary through hole 1213 that uniform ring distributes around centre mount through hole 1212, auxiliary through hole 1213 is axially disposed within on leaning seat along centre mount through hole 1212, auxiliary through hole 1213 can be for matching with parts such as extraneous supports, for motor 100 is fixedly mounted on to juvenile motor vehicle skeleton, auxiliary through hole 1213 can also be as the transition piece being connected with other parts, and structure design is simple and rationally distributed.
Further preferably, the quantity of Design assistant through hole 1213 is six, can not only meet real work needs and also be convenient to processing.
Preferably, center shaft 21 two ends are separately installed with ball-bearing casing 50, permanent seat 121 middle parts offer the bearing mounting groove 1214 communicating with centre mount through hole 1212, ball-bearing casing 50 near protecgulum 12 on center shaft 21 is arranged in bearing mounting groove 1214, and the ball-bearing casing 50 near bonnet 31 on center shaft 21 is arranged on the outer face of bonnet 31.
Ball-bearing casing 50 is also ball bearing of main shaft, and it is the one of antifriction-bearing box, and it is arranged on spherical alloy steel ball the centre of interior steel ring and outer rim, reduces the friction force in power transmission process and improves mechanokinetic transmission efficiency with roll mode.Ball-bearing casing 50 not only plays the effect of firm center shaft 21 and lining 13, also plays the effect of positioning adapter 13.In addition, cooperatively interacting of ball-bearing casing 50, protecgulum 12, bonnet 31 and center shaft 21, makes the sealing structure performance of integrated motor 100 good, and assembly and disassembly are also more convenient, can prevent bearing leakage of oil, extends the service life of bearing and motor 100.
Preferably, lining 13 and adjust packing ring 60 against being provided with between boss 221, outer being provided with of each ball-bearing casing 50 adjusted packing ring 60 and shaft block ring 70.Adjust the effect that packing ring 60 has axial adjustment, axial restraint, shaft block ring 70 can play auxiliary circumferential fixation, makes lining 13, center shaft 21, commutator 22 three's accurate positionings and fixed.
Further, ball-bearing casing 50, adjustment packing ring 60 and shaft block ring 70 threes cooperatively interact, and can prevent that center shaft 21 from producing end float misalignment phenomenon, rotates center shaft 21 more stable.
Preferably, commutator 22 comprises against boss 221, Connection Block 222 and many contacts 223, and lining 13 one end are resisted against near on the ball-bearing casing 50 of bonnet 31, and the other end is resisted against on boss 221, and coil 23 is connected with contact 223 by Connection Block 222.
In real work, several contacts 223 of commutator 22 surround round parts, motor 100 is connected with extraneous power supply by two terminals 32, when coil 23 is by after electric current, under the effect by permanent magnetic iron 14 attractive forces and repulsive force, rotate, in the time that coil 23 forwards to permanent magnetic iron 14 balance, contact 223 on corresponding commutator 22 is just separated with brush, then brush can be connected to and meet on the contact 223 that produces propelling thrust, so ceaselessly repeats down, and motor 100 has just been turned over.
Commutator 22 cooperatively interacts with brush assembly of electric 30, its effect is to allow the center shaft 21(be motor 100) continue to rotate, if there is no commutator 22, it is just stuck less than half-turn that motor 100 can only turn, and motor 100 can only be used as to electric brake and use.Commutator 22 is reasonable in design and convenient for production, makes motor 100 generating efficiencies stable, and horsepower output is large.
Preferably, the material of soft magnetosphere 24 may be selected to be the soft-magnetic material such as iron material, ferro-silicium material.Soft-magnetic material has the features such as permeability is high, saturation magnetization is large, the object that adds soft magnetosphere 24 outside coil 23 is to shorten magnetic circuit path length, so just can reduce the leakage field phenomenon between coil 23 and permanent magnetic iron 14, reasonable in design, can effectively reduce magnetic force loss, the horsepower output that increases motor 100, can according to actual needs, replace with other materials by soft-magnetic material.
In this case, motor 100 is under initial condition, stator module 10, rotor assembly 20, brush assembly of electric 30 are rationally distributed, between each parts, connect closely, make the volume of integrated motor 100 smaller, improve space availability ratio, in actual mechanical process, each parts assembling and dismounting are all more convenient.
In sum, the Dual Drive Design of Transmission System of this juvenile motor vehicle is reasonable, compact in design between each parts in motor 100, make the volume of integrated motor 100 smaller, improved space availability ratio, in actual mechanical process, in motor 100, each parts assembling and dismounting are all more convenient; Driver can realize diff 200 locking functions by controlling differential locking-device 2090 quickly and easily, make the two driving front-wheels 300 that two-semiaxle connects can realize synchronized rotation, and front-wheel and trailing wheel keep same rotating speed, when being got into a difficult position, vehicle can depart from time; Motor 100 directly drives front-wheel 300 with semiaxis after diff 200, does not need through transmission shaft, and kinetic equation loss is less, reduces energy resource consumption.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. the Dual Drive driving system of a juvenile motor vehicle, it is characterized in that, comprise motor, diff and two driving front-wheels, described motor is connected with diff by the input shaft with main gear, on described diff, be symmetrically arranged with the first semiaxis, the second semiaxis, described the first semiaxis, the second semiaxis is connected with two driving front-wheels by transmission shaft respectively, described diff comprises body skin and is arranged on the inner housing in body skin, on the lateral wall of described inner housing, driven gear is installed, on this diff, being also provided with can be by the first semiaxis, the second semiaxis, the differential locking-device that inner housing three is locked, described motor comprises stator module, rotor assembly and brush assembly of electric.
2. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 1, it is characterized in that, described input shaft stretches in body skin and is connected with a joggle by main gear and driven gear, in described inner housing, be provided with and the first semiaxis, the second semiaxis is corresponding the first adapter shaft arranging respectively, the second adapter shaft, described the first adapter shaft, on the second adapter shaft, be respectively equipped with the first side gear, the second side gear, at least one pair of planetary wheel is installed in described inner housing, 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. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 2, it is characterized in that, described differential locking-device comprises control stalk, return unit and movable part, described movable part is movably arranged on the first adapter shaft, described return unit and movable part are connected, described control stalk is articulated and connected on movable part, described control stalk can rotate and compress or unclamp return unit around the hinged support of movable part, in the time of control stalk compression return unit, return unit drives movable part to depart from inner housing, in the time that control stalk unclamps return unit, return unit resets and drives movable part by the first semiaxis under the effect of reset screen resilience, the second semiaxis, inner housing three is locked.
4. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 3, it is characterized in that, described movable part comprises grafting piece and lock dog, described lock dog has ring lock 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 ring lock groove, in the time of control stalk compression return unit, return unit drives grafting piece to move, the piece of simultaneously pegging graft drives lock dog to depart from inner housing, in the time that control stalk unclamps return unit, return unit drives grafting block reset and drives lock dog by the first semiaxis under the effect of reset screen resilience, the second semiaxis, inner housing three is locked.
5. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 4, it is characterized in that, the end face that described inner housing faces the first semiaxis is provided with some projections, and the end face that described lock dog faces inner housing is provided with and projection some draw-in grooves one to one.
6. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 5, it is characterized in that, described number of slugs is that four and uniform ring face on the end face of the first semiaxis around being distributed in inner housing, the width of described draw-in groove is slightly larger than the width of projection, described the first adapter shaft middle part is provided with synchronous external gear, described lock dog middle part offers center lock through hole, on the madial wall of described center lock through hole, be provided with and synchronize the synchronous inner rack that external gear is meshed, described lock dog is movably arranged on the first adapter shaft by synchronous inner rack and can be along the first adapter shaft axial translation, described body skin is made up of end cap and drain pan, on described drain pan, be provided with at least one reinforced rib, described control stalk is arranged on outside end cap, described grafting piece part is stretched out outside end cap, described control stalk one end is articulated and connected on grafting piece, the other end is provided with a draw ring, described return unit is torque spring and is arranged on outside end cap, described return unit is by " U " shape compression unit, installation portion, " L " shape butting section forms, described compression unit is fastened on control stalk, described installation portion fixes between control stalk and end cap, described butting section end is resisted against on the lateral wall of end cap, described planetary quantity is two, described the first semiaxis and the second semiaxis coaxially arrange, described the first semiaxis, the second semiaxis is arrange vertical with input shaft respectively.
7. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 1, it is characterized in that, described stator module comprises casing, protecgulum, lining, permanent magnetic iron, described rotor assembly comprises center shaft, commutator, coil, described brush assembly of electric comprises bonnet, brush and symmetry are arranged on the two-terminal on bonnet outer face, described protecgulum, bonnet is arranged on respectively casing two ends and three seals formation one containing cavity, described lining, permanent magnetic iron, commutator, coil is all arranged in containing cavity, described lining is set in outside center shaft, described permanent magnetic iron is set in outside lining and is clamped between protecgulum and commutator, described coil is arranged between internal side of shell wall and permanent magnetic iron lateral wall, the lateral wall of described coil is provided with soft magnetosphere, described commutator is connected with coil and is clamped between permanent magnetic iron and bonnet, described center shaft runs through successively and passes through protecgulum, lining, commutator, bonnet is also connected with commutator.
8. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 7, it is characterized in that, described casing is shaped as cylindrical shape, described protecgulum, bonnet are all chosen as the circular end cap of setting corresponding to casing, one end that described casing faces protecgulum offers fixed groove, described protecgulum fixes in fixed groove, and described protecgulum deviates from the outer face of containing cavity and the outer face of corresponding casing flushes.
9. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 8, it is characterized in that, described protecgulum comprises the permanent seat being arranged in fixed groove, described permanent seat deviates from the outer face of containing cavity and the outer face of corresponding casing flushes, described permanent seat middle part extends to form leaning seat in containing cavity, described permanent magnetic iron is clamped between leaning seat and commutator, described permanent magnetic iron lateral surface flushes with leaning seat lateral surface, described permanent seat faces on the inner end surface of containing cavity and offers annual seat groove, described annual seat groove is between leaning seat lateral wall and permanent seat lateral wall, described coil one end is stretched in annual seat groove, the other end is connected with commutator, described permanent seat middle part offers centre mount through hole and lining is embedded in centre mount through hole, on described permanent seat, also offer some auxiliary through hole that uniform ring distributes around centre mount through hole, auxiliary through hole is axially disposed within on leaning seat along centre mount through hole.
10. the Dual Drive driving system of a kind of juvenile motor vehicle according to claim 9, it is characterized in that, described center shaft two ends are separately installed with ball-bearing casing, described permanent seat middle part offers the bearing mounting groove communicating with centre mount through hole, ball-bearing casing near protecgulum on described center shaft is arranged in bearing mounting groove, ball-bearing casing near bonnet on described center shaft is arranged on the outer face of bonnet, each ball-bearing casing is provided with outward adjusts packing ring and shaft block ring, described commutator comprises against boss, Connection Block and some contacts, described lining one end is resisted against near on the ball-bearing casing of bonnet, the other end is resisted against on boss, described coil is connected with contact by Connection Block, described lining and against being provided with adjustment packing ring between boss.
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| EP0443669A2 (en) * | 1990-02-21 | 1991-08-28 | ALESSANDRO QUERCETTI & C. Fabbrica Giocattoli Formativi - S.p.A. | Instructive toy in form of a vehicle model to be assembled |
| JPH1089432A (en) * | 1996-09-09 | 1998-04-07 | Akinori Koshiro | Continuously variable transmission |
| CN2468551Y (en) * | 2001-01-22 | 2002-01-02 | 蔡东青 | Toy vehicle having differential mechanism |
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