Children's money lightweight two-wheel balance truck
Technical field
The invention belongs to Double-wheel self-balancing car field, particularly relate to a kind of lightweight two-wheel balance truck for children.
Background technology
Balance truck, is again body sense car, thinking car etc., market mainly contains single wheel and two-wheel two class.Its operation principles is mainly based upon one and is called as in the groundwork of " dynamic stability ", utilize gyroscope and the acceleration pick-up of vehicle body, detect the change of vehicle body attitude, and utilize servo control unit, accurately drive motor adjusts accordingly, with the balance of keeping system.Balance truck to be ride by the Security Services in venue from 2008 Olympic Games and appears at after in compatriots' sight line as walking-replacing tool during patrol, has just entered into the life of people gradually.
Without the two-wheeled balance truck of joystick, cry again and turn round car, easily grasp because it balances comparatively wheelbarrow, and the liking of the little consumers in general of being subject to of volume.Turn round car composition structure and comprise two the symmetrically arranged pedals be made up of upper plastic cover, metal framework, lower plastic cover, and the basic element of character such as wheel hub motor, gyroscope and controller, two pedals realize connecting and relatively rotating by the rotating shaft be arranged in metal framework.Metal framework wherein carries human body weight as major bearing structures, and this type of turns round car weight amount is 5-7kg, for children player, moves this and turns round car comparatively painstakingly, more cannot carry with.In addition, the mould of metal framework burns casting and casting process is complicated, and cost is high.
Summary of the invention
The present invention is directed to existing car weight amount of turning round large, be not suitable for the technical matters that children use, propose a kind of lightweight, productive costs is low, assemble simple children's money lightweight two-wheel balance truck.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of children's money lightweight two-wheel balance truck, comprise motor wheel, left-hand tread plate, right-hand tread plate, battery and controller, described left and right pedal includes upper cover and load-bearing lower cover, and described load-bearing lower cover is divided into adjacent wheel shaft non-breathing zone, battery area and adapter shaft district.Described wheel shaft non-breathing zone is provided with the connecting element groove be made up of reinforced rib, and described motor wheel is connected with load-bearing lower cover by the connecting element be arranged in connecting element groove.Described adapter shaft district is provided with the reinforced rib in longitude and latitude cross arrangement, is provided with axial trough in the middle part of reinforced rib, and left and right pedal is connected by the adapter shaft be arranged in axial trough, realizes relatively rotating.Described adapter shaft one end is set with the axle collar, and axle collar inwall is provided with twisting key, described adapter shaft is provided with and the keyway twisting key and match; The adapter shaft other end is set with bearing, and the axle collar and bearing are all fixed in axial trough.
As preferably, adapter shaft and connecting element material are aluminum alloy.
As preferably, described connecting element is arranged in the connecting element mounting groove that is made up of reinforced rib, and passes through screw fastening.
As preferably, one end that described adapter shaft is provided with bearing is provided with arc notch, and described load-bearing lower cover is positioned at arc notch place and is provided with back-up block, is stopped and can not be rotated further after axis of rotation certain angle by back-up block.
As preferably, the described axle collar and bearing are two.
As preferably, described load-bearing lower cover side is provided with steering indicating light.
As preferably, the described upper cover place of trampling is provided with the rubber pad being with anti-skidding striped.
Compared with prior art, advantage of the present invention and good effect are:
Two-wheeled balance truck of the present invention, without the need to metal framework, by the reasonable Arrangement of reinforced rib and the change of connecting axle structure, on the basis ensureing pedal intensity, alleviates car body weight, adds portability and the experience of two-wheel balance truck.Its profile is arranged not by the restriction of metal framework, provides more Creative spaces for pedal is moulded.There is no metal framework, just do not need Making mold and the framework foundry technology process of metal framework, reduce production finished product, shorten the production cycle.This two-wheel counterweight is 3-4kg, and the children being applicable to below body weight 50kg use.
Accompanying drawing explanation
Fig. 1 is the exploded view of two-wheel balance truck of the present invention;
Fig. 2 is the wheel shaft scheme of installation of two-wheel balance truck of the present invention;
Fig. 3 is the adapter shaft scheme of installation of two-wheel balance truck of the present invention;
Fig. 4 is the birds-eye view of Fig. 3 of the present invention;
Above in each figure: 1, motor wheel; 11, wheel shaft; 12, wheel shaft fixed block; 2, upper cover; 21, rubber pad; 3, load-bearing lower cover; 31, connecting element groove; 32, battery case; 33, axial trough is connected; 34, back-up block; 35, steering indicating light; 36, lampshade; 4, connecting element; 41, axle hole; 42, transverse holes; 43, vertical hole; 5, adapter shaft; 51, keyway; 52, arc notch; 6, the axle collar; 61, key is twisted; 7, bearing; 8, battery; 9, controller.
Detailed description of the invention
For a better understanding of the present invention, illustrate below in conjunction with drawings and Examples.
Embodiment: as depicted in figs. 1 and 2, a kind of children's money lightweight two-wheel balance truck, comprise symmetrically arranged left-hand tread plate and right-hand tread plate, left and right pedal includes load-bearing lower cover 3 and is fastened on the upper cover 2 on load-bearing lower cover 3, upper cover 2 and load-bearing lower cover 3 all have engineering plastics to make, and quality is solid and quality is light.Motor wheel 1 is arranged at left and right pedal two ends and is fixed in load-bearing lower cover 3, for motor wheel 1 wheel shaft 11 realizing metal material is firmly connected with the load-bearing lower cover 3 of plastic material, described motor wheel 1 wheel shaft 11 is provided with wheel shaft fixed block 12, wheel shaft fixed block 12 is provided with four tapped bore.Load-bearing lower cover comprises wheel shaft district, battery area and adapter shaft district by one end of motor wheel successively to one end of adapter shaft.Wheel shaft district by two vertical pedal shafts to reinforced rib form, the reinforced rib of other two horizontal directions forms with it the connecting element groove 31 of mounting fixing parts 4.Described connecting element 4 is provided with axle hole 41, and axle hole 41 surrounding is provided with four transverse holes 42, connecting element 4 is also provided with two vertical holes 43.When mounted motor takes turns 1, wheel shaft 11 fixed block and connecting element 4 are fixedly secured by screw, then connecting element 4 is arranged in connecting element groove 31, being fixed by screws in by vertical hole 43 afterwards weighs in lower cover, the setting of connecting element 4 and connecting element groove 31 achieves effectively being fastenedly connected of metal material wheel shaft 11 and plastic material lower cover, the propulsive effort of effective dispersion motor wheel 1 and human bady gravitational, reduce local stress.
For realizing the connection of left and right pedal and relatively rotating, in described load-bearing lower cover 3, adapter shaft 5 is installed.Larger twisting resistance is born at the position that load-bearing lower cover 3 carries turning cylinder, for strengthening lower cover intensity, is provided with the some reinforced ribs in longitude and latitude cross arrangement in described lower cover, and reinforced rib upper surface is provided with the arc placing adapter shaft 5 and connects axial trough 33.Described adapter shaft 5 arranged on left and right sides is respectively provided with two circular grooves, is provided with the axle collar 6, is provided with bearing 7 in right circular groove in the circular groove of left side.Adapter shaft 5 and the axle collar 6 all adopt the aluminum alloy that quality is light, intensity is large to make.The described axle collar 6 inwall and the axle collar 6 outer wall are provided with protruding twisting key 61, and described adapter shaft 5 outer wall is also provided with the keyway 51 matched with the twisting key 61 of the axle collar 6 inwall.As shown in Figure 3 and Figure 4, adapter shaft 5 is fit in load-bearing lower cover 3, and the axle collar 6 and bearing 7 are reinforced muscle and fix, cannot sway, and the twisting key 61 of the axle collar 6 outer wall cannot rotate by the constraint of the two pieces of reinforced ribs in front and back, thus fixedly secures in load-bearing lower cover 3.The twisting key 61 of the axle collar 6 inwall is fastened in the keyway 51 of adapter shaft 5, adapter shaft 5 cannot be rotated in left-hand tread plate, reinforced rib support adapter shaft 5 in adapter shaft mounting groove also makes it cannot sway, thus achieve adapter shaft 5 fixedly securing in pedal, and the rotation of left and right pedal is because there is the existence of bearing 7, friction force is little, rotates smooth.The side end that described adapter shaft 5 is provided with bearing 7 is provided with arc notch 52, described load-bearing lower cover 3 is positioned at arc notch 52 place and is provided with back-up block 34, stopped by back-up block 34 after axis of rotation certain angle and can not be rotated further, effectively prevent because two pedal rotational angles are excessive, make balance truck lack of equilibrium, prevent danger.Battery 8 and controller 9 are arranged in the battery case 32 between adapter shaft mounting groove and connecting element mounting groove, rationally arrange in space, reduce car body volume, and battery 8 also plays the effect of dispersion human bady gravitational in addition.Screw mounting hole surrounding in load-bearing lower casing is provided with reinforced rib, ensures screw fastening intensity.
Metal framework is provided with in the left and right pedal of two-wheeled balance truck (turning round car) of the prior art, arranged on left and right sides framework is connected by the adapter shaft 5 be arranged in sleeve, and realize relatively rotating, metal framework not only makes product weight greatly increase, and the moulding of restriction car body.Two-wheeled balance truck described in the present embodiment, without the need to metal framework, by the reasonable Arrangement of reinforced rib and the change of adapter shaft 5 structure, on the basis ensureing pedal load-bearing, alleviates car body weight, adds portability and the experience of two-wheel balance truck.Its profile is arranged not by the restriction of metal framework, provides more Creative spaces for pedal is moulded.There is no metal framework, just do not need Making mold and the framework foundry technology process of metal framework, reduce production finished product, shorten the production cycle.Through strength test find, this two-wheel balance truck can below safe bearing load 70kg people use and there are not quality problems, therefore its consumer group is set as 50kg and following children, and whole balance truck weight is 3-4kg, and quality greatly alleviates.
In order to increase the safety that balance truck uses, described load-bearing lower cover 3 side is provided with steering indicating light 35, and outer fastening of steering indicating light 35 has lampshade 36, and upper cover 2 place of trampling is provided with the rubber pad 21 being with anti-skidding striped, increases friction force.
The above; it is only preferred embodiment of the present invention; it is not restriction the present invention being made to other form; the Equivalent embodiments that any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as equivalent variations is applied to other field; but everyly do not depart from technical solution of the present invention content; according to any simple modification, equivalent variations and remodeling that technical spirit of the present invention is done above embodiment, still belong to the protection domain of technical solution of the present invention.