CN2716122Y - Power-driven vehicle and steering operating mechanism and knuckle thereof - Google Patents
Power-driven vehicle and steering operating mechanism and knuckle thereof Download PDFInfo
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- CN2716122Y CN2716122Y CNU2004200880376U CN200420088037U CN2716122Y CN 2716122 Y CN2716122 Y CN 2716122Y CN U2004200880376 U CNU2004200880376 U CN U2004200880376U CN 200420088037 U CN200420088037 U CN 200420088037U CN 2716122 Y CN2716122 Y CN 2716122Y
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Abstract
The utility model discloses a power-driven vehicle and the steering operating mechanism and knuckles thereof. The power-driven vehicle comprises a base and two knuckles. The steering operating mechanism is arranged on the base and connected with the knuckles. The steering operating mechanism comprises an operating part, a draw rod part and a linkage part. The linkage part comprises two linkage arms. One end of each linkage arm is respectively fixed on one corresponding knuckle. The power-driven vehicle and steering operating mechanism has the advantages of simple structure and convenient and reliable operation.
Description
Technical field
The utility model relates to the vehicle, relates in particular to a kind of simple and easy walking-replacing tool that can be used as, for example the power of electric wheel-chair vehicle etc. the car of riding instead of walk.
Background technology
The power car of riding instead of walk generally is meant a kind of vehicle between rickshaw and power actuated vehicle, and it has propulsion source, expends muscle power unlike rickshaw, make us easy fatigue, it has small-sized, light characteristics again simultaneously, and complex structure unlike power actuated vehicle is difficult to handle.Therefore, power ride instead of walk car can satisfy people a lot of occasions or aspect demand, for example, can be used for inner place such as factory, supermarket, library require quick travel with manage, purposes such as arrangement, simple and easy transportation, be used for purposes such as people's amusement and recreation and body-building, and the purposes such as action requirement that are used to satisfy physical disabilities or old man, and other various suitable purposes.
As depicted in figs. 1 and 2, China utility model patent No.01210444.2 discloses a kind of four-wheel electric wheelchair, its steering control mechanism comprises handlebar 10, standpipe 11, two 12, two wheel flutters 13 of wheel flutter front fork, and the link gear 14 between two wheel flutter front forks constitutes.Handlebar 10 and standpipe 11 are positioned at wheelchair one side, and handlebar 10 is fixed on the upper end of standpipe 11, and the lower end of standpipe 11 is fixed with the rotating shaft that is positioned at the wheel flutter front fork 12 of wheelchair homonymy, and wheel flutter 13 is installed on the wheel flutter front fork 12.Link gear 14 comprises two wheel flutter turning handles 15, two connecting rods 16 and center turning handles 17, and wheel flutter turning handle 15 is fixed on the wheel flutter front fork 12, and center turning handle 17 is articulated in the bottom of vehicle pedestal.When rotating handlebar 10, the wheel flutter front fork 12 and the wheel flutter 13 that drive standpipe 11 and be positioned at handlebar 10 homonymies rotate synchronously, simultaneously, by link gear 14, make wheelchair wheel flutter 13 rotations of side in addition.Though the steering control mechanism of this electric wheelchair can be realized steering operation, wheel was as the Wheelchair structure of wheel flutter before it can only be used for, and increasing wheelchair of now is to adopt trailing wheel as wheel flutter.In addition, because the wheel flutter front fork of one side is directly to bear the actuating force that standpipe transmits, and the wheel flutter front fork of opposite side is to bear actuating force indirectly by a link gear, therefore, will occur the difference on time to turn and the angle between the two-wheeled, thereby influence turning efficiency.
As shown in Figure 3, China utility model patent No.00207979.8 discloses a kind of Wheel-chair of taking turns, this steering control mechanism of taking turns Wheel-chair comprises left steering unit and right steering unit, and each steering unit comprises armed lever 21 respectively, connecting rod 22, pitman arm 23, steering track rod 24 and track arm 25.One end of armed lever 21 is connected with signaling handle, its other end is fixedly attached to the upper end of connecting rod 22, connecting rod 22 is installed in rotation in the sleeve 20 of pedestal (not shown), thereby be connected with pedestal, captive joint with an end of pitman arm 23 in its lower end, the other end of pitman arm 23 is connected with the front end of steering track rod 24, and the rear end of steering track rod 24 is connected to track arm 25, and track arm 25 orders about wheel flutter and rotates.For making the left and right mechanism can coordination, be connected with two rocking bars 27 by a gangbar 26 between the left and right steering unit.After can be used in, this steering control mechanism of taking turns Wheel-chair takes turns in the Wheelchair structure as wheel flutter.Yet still there is following weak point in this scheme.Owing to the effective support of the many member shortages the track arm, make rigidity relatively poor, the reliability that influence is carried out with the wheelchair pedestal from connecting rod 22.Because its steering unit is divided into left and right two steering units, though carry out association by member between the two, but because factors such as component strength, processing and installation errors, people's the two hand application of forces are difficult to guarantee in full accord in addition, make two not enough coordinations of wheel flutters motion.In addition, this scenario-frame is complicated, makes cost higher.
The Chinese utility application No.200420000614.1 that the contriver once proposed has wherein disclosed a kind of like this base structure that is used for electric cycle, comprising: first, be provided with two drive wheels, and this first has first limit; Second portion is provided with two wheel flutters, and this second portion has second limit corresponding to this first limit; First limit and second limit couple together by axle, and at least one Wei Rao the axle in first limit and second limit rotates.This is a kind of split type electric cycle pedestal, can swing relatively by an axle between its first and the second portion, makes the electric cycle that adopts this base structure overcome the safety hazard that three-wheel lands under the uneven situation in ground.But wheel is ridden the steering control mechanism of car instead of walk owing to lack the rotational structure that adapts to this oscillating motion as the four-wheel of wheel flutter after existing, and generating mechanism is interfered easily, causes to handle to require great effort even failsafety.
Summary of the invention
The purpose of this utility model is to provide a kind of can overcome because the power of the limitation of prior art or the not enough one or more problems that cause is ridden instead of walk car above-described.
A technical matters to be solved in the utility model provides a kind of can the wheel later on as the comparatively simple power of wheel flutter and the structure car of riding instead of walk.
Another technical matters to be solved in the utility model provides a kind of can the wheel later on as wheel flutter and the power that can eliminate the difference of two wheel flutters on time to turn or the angle car of riding instead of walk.
Another technical matters to be solved in the utility model provides a kind of middle part and has connection structure with pedestal, can increase the rigidity of steering control mechanism, the power that improves the reliability that the turns to execution car of riding instead of walk.
Another technical matters to be solved in the utility model provides a kind of can the wheel later on as the power of the wheel flutter car of riding instead of walk, and its structure can adapt to the oscillating motion of split type pedestal, prevents movement interference and failsafety.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of ride instead of walk steering control mechanism of car of power that is used for, the described car of riding instead of walk comprises pedestal and two steering swivels, described steering control mechanism is installed on the described pedestal and with described steering swivel and is connected, it is characterized in that, described steering control mechanism comprises: an actuating portion is connected with described pedestal by a fulcrum, and can rotates around described fulcrum, described actuating portion has: actuating portion first end, and be convenient to the operator and control and handle; And actuating portion second end; A rod section has: rod section first end is pivotally connected to described actuating portion second end; And rod section second end, directly or indirectly be connected with described steering swivel; And a linkage portion, described linkage portion has: two transmission arms, be fixed on the corresponding described steering swivel with the one end respectively, and be connected with intermediate rod between its other end rotationally.
Wherein, described pedestal has a pivot hole; Described actuating portion comprises: a joystick, be positioned at described actuating portion first end, and have a grip part on it; One connects principal post, is positioned at the middle part of described actuating portion, is connected with described joystick, and is arranged in rotationally in the pivot hole on the described pedestal; And a master rocker, being positioned at described actuating portion second end, with the described principal post captive joint that is connected, and can be synchronized with the movement with described joystick.
Wherein, described connection principal post is parallel with described pedestal, and described joystick is vertical with the plane at described pedestal place.
Wherein, described connection principal post is vertical with described pedestal, the plane parallel at described joystick and described pedestal place.
Wherein, described joystick can rotate up 90 degree from level attitude by described relatively connection principal post with to be connected principal post hinged.
Wherein, described rod section comprises one first swivel joint, is arranged on described rod section first end; One second swivel joint is arranged on described rod section second end accordingly with described first swivel joint; And a drag link, being positioned at the middle part of described rod section, its two ends are connected respectively to described first swivel joint and second swivel joint.
Wherein, described swivel joint is a globe bearing.
Wherein, fixedly install on the described steering swivel or an integrally formed spindle arm, described spindle arm is connected rotationally with second swivel joint of described rod section.
Wherein, also comprise a reel cage between described rod section and described linkage portion, be rotatably installed on the described pedestal that described reel cage has: reel cage first end is pivotally connected to described rod section second end; And reel cage second end, be connected with described linkage portion.
Wherein, comprise an intermediate rod between the other end of two transmission arms of described linkage portion, and described linkage portion also comprises a transition link rod, and its first end is pivotally connected to described reel cage second end, and its second end is pivotally connected to an end of described intermediate rod.
Wherein, described linkage portion comprises two intermediate rods, and first end of each intermediate rod is connected with second end of described reel cage respectively, and second end of each intermediate rod is connected with the other end of two described transmission arms respectively.
The present invention also provides a kind of ride instead of walk steering swivel of car of power that is used for, the described car of riding instead of walk comprises pedestal and two steering control mechanisms, described steering swivel is installed on the described pedestal and with described steering control mechanism and is connected, it is characterized in that, described steering control mechanism has a linkage portion, described linkage portion has two transmission arms, and described two steering swivels are captiveed joint with an end of corresponding transmission arm respectively, are connected with intermediate rod between the other end of two transmission arms rotationally.
Wherein, both sides, described pedestal rear end are respectively arranged with longitudinal hole, and described two steering swivels are respectively universal wheeled steering swivel, and its steering shaft is installed in respectively in the corresponding described longitudinal hole.
Wherein, both sides, described pedestal rear end are respectively arranged with longitudinal hole; Each described steering swivel comprises respectively, a steering shaft, be arranged in the corresponding described longitudinal hole, stretch out from described longitudinal hole respectively at two ends, " U " shape frame, comprise a upper side wall, one and the cooresponding lower wall of described upper side wall and a middle sidewall that is connected described upper side wall and lower wall, be respectively equipped with corresponding through hole on described upper side wall and the described lower wall, match with the two ends of described steering shaft, and a steering wheel shaft, be fixedly installed on the lateral surface of middle sidewall of described " U " shape frame.
Wherein, the left and right sides longitudinal hole on the described pedestal is a bevelled, and the upper end that makes the steering shaft on the steering swivel of the described left and right sides is respectively accordingly to pedestal inboard and angle of rear side inclination.
Wherein, two pivoting points between the intermediate rod of described linkage portion and the transmission arm and two pivoting points between described steering swivel and the described pedestal form trapezium structure jointly, make the moment turning center of the wheel flutter on the steering swivel be positioned at the plane perpendicular to the ground at the line of centres place of road wheel.
The present invention also provides a kind of car of riding instead of walk, it is characterized in that comprise described steering control mechanism of above arbitrary claim and/or steering swivel, described pedestal comprises: first pedestal, be relatively set with two live axles in its both sides, road wheel is installed respectively on it; Second pedestal is relatively set with two steering swivels in its both sides, and wheel flutter is installed respectively on it; Described second pedestal is connected rotationally with described first pedestal.
Wherein, the fulcrum of the actuating portion of described steering control mechanism is fixed with respect to described first pedestal, described reel cage with respect to described second pedestal fixing on.
The utlity model has following beneficial effect.
One, in scheme of the present utility model, steering control mechanism is not further divided into left and right steering unit, has simple relatively structure.
Two, in scheme of the present utility model, steering control mechanism is connected respectively to pedestal and steering swivel except that actuating portion, linkage portion and being supported, it also can further have a reel cage, this reel cage is installed on the pedestal, thereby provide another support from the middle part, increase the rigidity of steering control mechanism effectively, improved the reliability that turns to execution.
Three, because in scheme of the present utility model, the handling maneuver power that the user applies is to be delivered on the reel cage by actuating portion, rod section, reel cage orders about the both sides steering swivel by the linkage portion of both sides and moves simultaneously, between linkage portion and steering swivel, adopted trapezium structure in addition, meet four-wheel steering trapezium structure principle, so not only eliminated two wheel flutter turning errors of the prior art, and guaranteed that correct moment center of turn is arranged in steering procedure.
Four, in scheme of the present utility model, because rod section comprises first swivel joint, second swivel joint and drag link, described first swivel joint, second swivel joint can rotated around the relative described drag link of axis of described drag link with the junction of described drag link respectively, so when split type pedestal waves, swivel joint with directly will carry out relative the rotation between bar, thereby can prevent movement interference and failsafety.
Five, the utility model also provides a kind of and steering control mechanism bonded assembly offset steering swivel, be that the relative steer axis in plane, wheel flutter place is biased in a side abreast, move after wheel flutter outside this structure turns to when turning to and the meeting automatically of ground contact point, this has increased the safety of travelling.And, when inboard and rear side tilted an angle to pedestal respectively accordingly the upper end of the longitudinal hole of the left and right sides on the described pedestal and the steering shaft on the steering swivel, whole steering hardware recovered the ability of craspedodrome turning to finish to have to automatically reset after removing steering torque.
In a word, steering unit working stability of the present utility model is reliable, can be applicable to specific base structure, and the utility model makes the whole car performance of riding instead of walk more outstanding by the perfect adaptation to handle structure, pedestal and steering swivel.
Description of drawings
By with reference to the accompanying drawings, it is more obvious that feature and advantage of the present utility model will become, wherein:
Fig. 1 shows other member except that link gear in its steering control mechanism for a kind of front elevation of the existing car of riding instead of walk;
Fig. 2 is the scheme drawing of the link gear in the steering control mechanism of the existing car of riding instead of walk shown in Figure 1;
Fig. 3 is the scheme drawing of the steering control mechanism of the another kind of existing car of riding instead of walk;
Fig. 4 a is the overall schematic of the car of riding instead of walk according to a kind of sitting posture that the utility model proposes;
Fig. 4 b is the overall schematic of the car of riding instead of walk according to the another kind of sitting posture that the utility model proposes;
Fig. 4 c is the overall schematic of the car of riding instead of walk according to a kind of stance that the utility model proposes;
Fig. 5 is the scheme drawing according to first embodiment of the present utility model, wherein shows the part-structure of pedestal, steering control mechanism and the steering swivel of the car of riding instead of walk;
Fig. 6 is the structural representation of globe bearing.
The corner scheme drawing of two wheel flutters when Fig. 7 a is parallelogram sturcutre for quadrangle ABCD, this moment α=β, two steering wheel shaft keeping parallelisms do not have the moment center of turn;
The corner scheme drawing of two wheel flutters when Fig. 7 b is trapezium structure for quadrangle ABCD, this moment α ≠ β, two steering wheel shafts must intersect;
Concern scheme drawing when Fig. 7 c is trapezium structure for quadrangle ABCD between instantaneous center of turn and road wheel and the wheel flutter, at this moment, two steering wheel shaft intersection points drop in the vertical plane surface at road wheel axis place, and the O point is the moment center of turn, and four wheels all are in the pure rolling state.
Fig. 8 is the scheme drawing according to second embodiment of the present utility model, wherein shows the steering control mechanism of the car of riding instead of walk and the part-structure of steering swivel;
Fig. 9 is the scheme drawing according to the 3rd embodiment of the present utility model, wherein shows the part-structure of base, steering control mechanism and the steering swivel of the car of riding instead of walk;
Figure 10 is the joystick and the articulated structure scheme drawing that is connected between principal post according to the utility model the 3rd embodiment;
Figure 11 is the scheme drawing according to the 4th embodiment of the present utility model, wherein shows the steering control mechanism of the car of riding instead of walk and the part-structure of steering swivel; And
Figure 12 is the scheme drawing according to the 5th embodiment of the present utility model, wherein shows the pedestal of the car of riding instead of walk, the part-structure of steering control mechanism and the part-structure of steering swivel.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present utility model in detail.
Be respectively shown in Fig. 4 a and the 4b according to ride instead of walk the schematic appearance of car of a kind of sitting posture that the utility model proposes.This car of riding instead of walk comprises the pedestal (not shown) and is installed in propulsion source (not shown), road wheel assembly on the pedestal, steering control mechanism 40 and steering swivel (only schematically showing the wheel flutter that is contained on the steering swivel) 50.This rides car instead of walk in use, and the operator is sitting on the seat, pedestal top.Handle the grip part of steering control mechanism 40 and hold, to carry out steering operation for the operator.Steering control mechanism 40 is connected on the steering swivel 50, rotates an angle by making the steer axis that wheel flutter winds perpendicular to pedestal, realizes turning to (hereinafter will describe in detail).Fig. 4 c is depicted as according to ride instead of walk the schematic appearance of car of a kind of stance that the utility model proposes.The road wheel assembly is to have walking function, the vehicle wheel component that itself can not directly turn to steering swivel and corresponding of wheel flutter.The road wheel assembly is a front component in this car of riding instead of walk.The road wheel assembly can adopt electric wheel hub, accordingly, propulsion source can adopt storage battery, by electric current connection, cut-out and the size of current etc. of control electric wheel hub, can control advancing, stop and the speed speed of road wheel, thereby make the utility model constitute a kind of electric cycle.
First embodiment
Fig. 5 is the scheme drawing of the utility model first embodiment, wherein shows the part-structure of base 30, steering control mechanism 40 and the steering swivel 50 of the car of riding instead of walk.
Wherein said pedestal 30 is split type pedestal, comprises one first pedestal 31 and one second pedestal 32.First pedestal, 31 rectangular structures, its both sides are respectively equipped with a road wheel assembly, and the live axle 311 of road wheel assembly only is shown among the figure, and this live axle 311 is fixedly installed on the pedestal 31.Also have a support 312 on the right front position of first pedestal 31, the pivot hole 313 that has a lateral arrangement on it, the axis in pivot hole 313 is parallel with first pedestal 31, and parallel with the line direction of the live axle 311 of both sides.Second pedestal 32 is positioned at the rear of first pedestal 31, and T-shaped structure comprises the back axle 322 that 321, one of longerons run through longeron 321 rear ends and extend to both sides respectively, and this back axle 322 is fixedly connected on the longeron 321.Between first pedestal 31 and second pedestal 32, has a connecting portion 33, by this connecting portion 33, first pedestal 31 and second pedestal 32 are rotatably connected to together this connecting portion 33 adapter shaft that specifically to be a while articulate with first pedestal 31 and second pedestal 32.
Described steering control mechanism 40 comprises an actuating portion, and this actuating portion comprises that 41, one of joysticks connect principal post 42 and a master rocker 43.Joystick 41 vertically is arranged in the right front position of first pedestal 31, and its upper end is equipped with grip part 411 and brake handle 412, and its lower end is fixedly attached to the right-hand member that connects principal post 42.Connect principal post 42 lateral arrangement, be cylindric, it cooperates with pivot hole 313 on first pedestal 31, wear rotationally to be installed in this pivot hole 313, and vertical with joystick 41, the left end of this connection principal post 42 is fixedly attached to an end of master rocker 43.It is microscler tabular that master rocker 43 is, and it can be synchronized with the movement with described joystick 41, and its other end and rod section flexibly connect.
As flexible embodiment, also can cancel and connect principal post 42 and master rocker 43, the middle part or the lower end of joystick 41 are movably connected on first pedestal 31, with the junction is that fulcrum rotates, the lower end or the middle part that simultaneously first end of rod section are connected rotationally joystick 41 can utilize lever principle to finish control action equally.
As flexible embodiment, joystick 41 also can be arranged in left front position certainly, but at this moment support 312 also need correspondingly be arranged on the left front position of first pedestal 31.Better, can on the left front position of first pedestal 31, add the support 312 corresponding supports with right front position, the pivot hole that also has a lateral arrangement on it, the pivot hole 313 on the support 312 of itself and right front position is positioned on the same axis.Simultaneously, the left end that connects principal post 42 extends in the pivot hole of this left front support, and therefrom stretches out, thereby is the state with its right-hand member symmetry.By this way, it still is that right arm comes maneuver vehicle that joystick 41 can use left arm according to the driver, optionally is fixedly connected on the left end or the right-hand member that connect principal post 42.
Described steering control mechanism 40 also comprises a rod section 44, and this rod section comprises a drag link 442 and two globe bearings 441 and 443.The front and back end of drag link 442 is processed with left-handed respectively and screw thread dextrorotation, and its front end is equipped with the globe bearing 441 of a band dextrorotation negative thread, is connected with master rocker 43, and the globe bearing of a band levogyrate inner thread is equipped with in the rear end, is connected with reel cage 45.Referring to Fig. 6, have a bearing hole 445 respectively in globe bearing 441 and 443 the spheroid 444, and the coupling end of itself and drag link 442 has internal thread hole.Be connected respectively on master rocker 43 and the reel cage 45 by a bearing pin that is located in this bearing hole 445, thus can be with master rocker 43 around connecting the horizontal direction swing that rocking back and forth of principal post 42 is converted to reel cage 45.Rotation drag link 442 can change the distance of 445 of globe bearing 441 and 443 bearing holes by revolving screw thread about two ends, and the initial position with adjustment joystick 41 makes it be in plumbness at vehicle when just before travelling.After adjustment finishes, two globe bearings 441,443 and drag link 442 are locked with left-handed and right handed unt 446.
As flexible embodiment, also drag link 442 can be made tubulose, left-handed and negative thread dextrorotation is processed in its front and back end, has left-handed and the externally threaded globe bearing of dextrorotation and lock with left-handed and right handed unt and install.
Described steering control mechanism 40 also comprises a reel cage 45, and it is installed by a support 451.Support 451 is fixed on the front end of the longeron 321 of second pedestal 32, and reel cage 45 is installed in rotation on the support 451 by a pivot.
Described steering control mechanism 40 also comprises a linkage portion, and this linkage portion comprises a transition link rod 46, intermediate rod 47 and two transmission arms 48.The two ends of transition link rod 46 may be movably coupled to any end in the two ends of second end of reel cage 45 and intermediate rod 47 by pivot respectively.Intermediate rod 47 two ends are connected respectively to first end of two transmission arms 48.Second end of two transmission arms 48 is captiveed joint with two steering swivels 50 that are positioned at the second pedestal both sides respectively, specifically is connected on the upper side wall of support 52 of steering swivel 50, hereinafter will be elaborated.
In the present embodiment, the steering swivel 50 of the car of riding instead of walk is arranged on the both sides of second pedestal 32 respectively rotationally, then has corresponding vertically pivot hole on second pedestal 32 respectively.Each steering swivel 50 comprises 51, one supports 52 of a steering shaft and a steering wheel shaft 53, on the steering wheel shaft 53 in order to wheel flutter to be installed.Support 52 is horizontal positioned " U " shape structure, comprise a upper side wall, one and the cooresponding lower wall of described upper side wall and a middle sidewall that is connected described upper side wall and lower wall, be respectively equipped with corresponding through hole on described upper side wall and the described lower wall.Wherein upper side wall is captiveed joint with second end of the transmission arm of linkage portion 48.Steering shaft 51 vertically arranges along steer axis, and is arranged in vertical pivot hole on second pedestal 32 and the described through hole on the support 52, thereby support 52 is installed on second pedestal 32.Steering wheel shaft 53 is horizontal arrangement, and is fixedly attached on the middle sidewall of support 52.
As flexible embodiment, support 52 is captiveed joint with second pedestal 32 with sidewall wherein, and steering wheel shaft 53 is captiveed joint with steering shaft 51, makes second end of the transmission arm 48 of linkage portion be connected to the upper end of steering shaft 51 simultaneously, also can realize turning to purpose.Second pedestal need not be provided for connecting vertical pivot hole of support 52 and steering shaft 51 in addition in this case.
As can be seen from Figure 5, form four run-on point A between linkage portion and the steering swivel, B, C and B, thus form a deformable quadrangle ABCD.See also Fig. 7 again, wherein, the corner scheme drawing of two wheel flutters when Fig. 7 a is parallelogram sturcutre for quadrangle ABCD, concern scheme drawing when the corner scheme drawing of two wheel flutters when Fig. 7 b is trapezium structure for quadrangle ABCD, Fig. 7 c are trapezium structure for quadrangle ABCD between instantaneous center of turn and road wheel and the wheel flutter.A wherein, b, c, d represent run-on point A respectively, B, residing position when C and B work.
When quadrangle ABCD is parallelogram, shown in Fig. 7 a, ab=cd, parallelogram principle is all observed in turning to of any direction, when run-on point C, D respectively when optional position c, d move to c ', d ', corner α, the β of ac and bd are consistent forever.In this case, in steering procedure, except rolling, also can produce slippage, not only cause the tire undue wear, also will consume portion of energy in vain with ground.This is for the storage battery being the continual mileage that can reduce the elec. vehicle of the energy after each charging, and also power consumption influences battery cycle life greatly when changing.
Therefore, preferably, can make quadrangle ABCD is trapezium structure, shown in Fig. 7 b.At this moment, when C, D point respectively when position c, d move to position c ', d ', it is that the center of circle is on the circular arc of radius with bd that d ' is positioned at b, and still keeps original distance L between c ', the d '.Because it is trapezoidal that ABCD forms, so realized α＜β.If D point moves to the right side of d from position d ', then the C point also can move to the right side of c from position c ', principle equally, α＞β.
Referring to Fig. 7 c, when quadrangle ABCD is trapezium structure, the intersection point O of the wheel flutter axis of wheel flutter I and wheel flutter II be in left and right sides front driving wheel (road wheel) connecting shaft line M place perpendicular in the ground-surface plane.At this moment, wheel flutter is the pure rolling state behind two front driving wheels and two, and the O point is the moment turning center under this state, the corner α of wheel flutter I and the corner β of wheel flutter II vary in size, α＜β during right-hand rotation, α＞β during left-hand rotation, also promptly the steering wheel angle near turning center is bigger.The problem that has existed when like this, having overcome quadrangle ABCD for parallelogram sturcutre.
Second embodiment
Referring to Fig. 8, be depicted as the scheme drawing of the utility model second embodiment, for convenience of description for the purpose of, wherein only show the steering control mechanism of the car of riding instead of walk and the part-structure of steering swivel.
Be that with the first embodiment difference joystick 41 is positioned at the left front position of the first pedestal (not shown) in this embodiment.Correspondingly, the support 312 on first pedestal 31 and pivot hole 313 thereof need be arranged on the left front position (not shown) of first pedestal.Certainly, joystick 41 also can be positioned at the right front position of first pedestal 31, changes right-hand operated into, to adapt to different users.
Be also that with the difference of first embodiment linkage portion of steering control mechanism has been cancelled the transition link rod in this embodiment.This linkage portion comprises two intermediate rods 47, and first end of each intermediate rod 47 is connected with second end of described reel cage 45 by a pivot respectively, and second end of each intermediate rod 47 is connected respectively to first end of two described transmission arms 48;
Be also that with the first embodiment difference steering swivel 50 is universal wheeled steering swivel in the present embodiment, promptly steer axis is positioned at plane, wheel flutter place, makes the steering swivel of wheel flutter and steering shaft coplane.This steering swivel 50 comprises steering shaft 51, support 52, steering wheel shaft (not shown).Steering shaft 51 vertically arranges along steer axis, and its upper end is fixedly attached to second end of transmission arm 48 of the linkage portion of steering control mechanism, captives joint with the upper surface of support 52 in its lower end.The middle part of steering shaft forms a bearing support part 511, and 32 form corresponding longitudinal hole (not shown) on second pedestal, and the two cooperation is pivotally mounted to steering shaft and steering swivel on second pedestal.Be respectively equipped with corresponding through hole 521 in the both sides, lower end of support 52, be used to pass the steering wheel shaft (not shown), the wheel flutter (not shown) is installed in the accommodation section that forms in the middle of the two side of support 52.
The 3rd embodiment
Referring to Fig. 9, be depicted as the scheme drawing of the 3rd embodiment of the present utility model, wherein show the part-structure of base, steering control mechanism and the steering swivel of the car of riding instead of walk.
Be that with the first embodiment difference joystick 41 is the left front position of lateral arrangement in first pedestal 31 in the present embodiment.Correspondingly, support 312 on first pedestal 31 and pivot hole 313 thereof are arranged on the left front position of first pedestal 31, are pivot hole 313 and vertically arrange.The right-hand member of joystick 41 is equipped with grip part 411 and brake handle 412, and its left end is connected to the upper end that connects principal post 42.Connect principal post 42 and vertically arrange, be cylindric, it cooperates with pivot hole 313 on first pedestal 31, wear rotationally to be installed in this pivot hole 313, and vertical with joystick 41, the lower end of this connection principal post 42 is fixedly attached to an end of master rocker 43.It is microscler tabular that master rocker 43 is, and it can be synchronized with the movement with described joystick 41, and its other end and rod section flexibly connect.Support 312 also can be arranged on the right front ends of first pedestal 31, and then joystick changes into by left-handed operation, to adapt to different users.
Be also that with the difference of first embodiment in the present embodiment, joystick 41 is to be radial type, be pivotally connected on the connection principal post 42, can rotate up 90 degree from level attitude by described relatively connection principal post.This is to take a seat for the ease of the driver.See also Figure 10 simultaneously, specifically, the left end of joystick 41 is that the semi-tubular attaching parts 413 of U-shaped is articulated in the upper end that connects principal post 42 by a section, the inside face of attaching parts 413 forms an accommodation section 414, be used to limit the angle that joystick 41 upwards starts, and fit with the surface that is connected principal post 42 at the state that starts.Simultaneously, the stop configurations of the restriction rotational angle that the articulated section also can be by routine prevents that joystick 41 from rotating.As can be seen from Figure 10, upper end one side that connects principal post 42 is processed into convex structure, and opposite side is replaced on the inwall of attaching parts 413, forms described stop configurations.Joystick 41 is made of the body of rod and attaching parts 413 weld togethers.As a kind of flexible embodiment, also can make when joystick 41 is horizontal by structure and the position that body of rod left end rationally is set, body of rod left end is replaced on the upper end right flank that connects principal post 42, forms stop configurations.
The 4th embodiment
Referring to Figure 11, be depicted as the scheme drawing of the utility model the 4th embodiment, wherein show the steering control mechanism of the car of riding instead of walk and the part-structure of steering swivel.
Be that with the 3rd embodiment difference in the present embodiment, joystick 41 is positioned at the right front position of the first pedestal (not shown).Correspondingly, the support 312 on first pedestal 31 and pivot hole 313 thereof need be arranged on the left front position (not shown) of first pedestal 31.
Also be with the 3rd embodiment difference, in the present embodiment, the reel cage 45 and the linkage portion of the steering control mechanism of the car of riding instead of walk, and the steering swivel 50 of the car of riding instead of walk is identical with second embodiment.
The 5th embodiment
Referring to Figure 12, be depicted as the scheme drawing of the utility model the 5th embodiment, wherein show the pedestal of the car of riding instead of walk, the part-structure of steering control mechanism and the part-structure of steering swivel.
Different with previous embodiment is, has omitted reel cage in the steering unit, and actuating portion (not shown) is directly connected to linkage portion by rod section 44.
In addition, the structure of linkage portion is also different with aforementioned enforcement, described linkage portion comprises a Rocker arm 49, and the one end is connected rotationally with described rod section 44, and any one of its other end and described two steering swivels 50 that are arranged in second pedestal, 32 both sides captiveed joint.In addition, on two steering swivels 50 also respectively the other end of 48, two transmission arms 48 of a transmission arm of captive joint be connected rotationally with the two ends of an intermediate rod 47 respectively.
Present embodiment can be preferably applied to the stance shown in Fig. 4 c and ride instead of walk on the car.
Figure 4 shows that schematic appearance according to a kind of car of riding instead of walk that the utility model proposes.Referring to Fig. 4, this car of riding instead of walk comprises the pedestal (not shown) and is installed in propulsion source (not shown), road wheel assembly, steering control mechanism 40 and steering swivel 50 on the pedestal.
With regard to the whole car of riding instead of walk, in use, the operator is sitting on the seat, pedestal top.Handle the grip part of steering control mechanism 40 and hold, to carry out steering operation for the operator.Steering control mechanism 40 is connected on the steering swivel 50, rotates an angle by making the steer axis that wheel flutter winds perpendicular to pedestal, realizes turning to.Grip portions also is equipped with hall accelerator (the control speed of a motor vehicle), brake and Parking handle, reversing button switch (realizing reversing) and light horn punch.
The road wheel assembly is to have walking function, the vehicle wheel component that itself can not be used to turn to corresponding of steering swivel.The road wheel assembly is a front component in this car of riding instead of walk.The road wheel assembly can adopt electric wheel hub, and corresponding, propulsion source can adopt storage battery, by electric current connection, cut-out and the size of current etc. of control electric wheel hub, can control advancing, stop and the speed speed of road wheel.
With regard to the drag aspect, can in two wheel flutters, dispose mechanical brake (disc type or the drum brakes) device of interlock, and electric wheel hub for front-wheel, can have the regenerative braking performance by the controller of circuit structure, can realize the four-wheel while modulated braking of road wheel (front-wheel) assembly and wheel flutter (trailing wheel) assembly like this by single brake handle 412.The drag structure also can adopt any other conventional technological means.
Originally ride instead of walk overcurrent protection, low-voltage protection, brake power down function, braking, reversing feedback function and speed two retainings the advance speed of a motor vehicle and functions such as slow astern, regenerative braking specifically can also be set on the circuit structure of car.
In addition, be provided with two sensors,, when turning to, make to turn to inboard motor outage, can realize pivot stud so basically, make to turn to more flexibly and energy-conservation near end position by circuit control at the correct position of steering control mechanism.
It is further perfect by above explanation the utility model to be carried out, and this all is technique known or technical ability to those skilled in the art.
Below, be example with first embodiment, maneuverability pattern of the present utility model is described.
Referring to Fig. 4 and Fig. 5, the driver is sitting on the car of riding instead of walk, with the grip part 411 on the right hand gripping joystick 41.When promoting joystick 41 forward, joystick 41 lower ends drive connection principal post 42 and rotate counterclockwise, and the master rocker 43 that the connection principal post further drives its left end rotates in the same way, and its lower end is moved backward.With first globe bearing 441, drag link 442 and second globe bearing 423 of master rocker 43 lower end bonded assembly rod section 44 will with after move, promote reel cage 45 and clockwise rotate.The other end of reel cage 45 pulling transition link rod 46, and then drive two transmission arms 48 by intermediate rod 47 and rotate and rotate counterclockwise to axis.Transmission arm 48 drive steering swivels 50 rotate and rotate counterclockwise to axis, make the car right steering of riding instead of walk.Otherwise, when pulling back joystick 41, the car left steering of riding instead of walk.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (20)
1. one kind is used for ride instead of walk the steering control mechanism of car of power, the described car of riding instead of walk comprises pedestal and two steering swivels, and described steering control mechanism is installed on the described pedestal and with described steering swivel and is connected, and described pedestal has a pivot hole, it is characterized in that described steering control mechanism comprises:
An actuating portion is connected with described pedestal by a fulcrum, and can rotate around described fulcrum, and described actuating portion has: actuating portion first end, and be convenient to the operator and control and handle; And actuating portion second end;
A rod section has: rod section first end is pivotally connected to described actuating portion second end; And rod section second end, be connected with described steering swivel; And
A linkage portion has: two transmission arms, be fixed on the corresponding described steering swivel with the one end respectively, and be connected with intermediate rod between its other end rotationally.
2. steering control mechanism according to claim 1 is characterized in that, described actuating portion comprises:
A joystick is positioned at described actuating portion first end, has a grip part on it;
One connects principal post, is positioned at the middle part of described actuating portion, is connected with described joystick, and is arranged in rotationally in the pivot hole on the described pedestal; And
A master rocker is positioned at described actuating portion second end, with the described principal post captive joint that is connected, and can be synchronized with the movement with described joystick.
3. steering control mechanism according to claim 2 is characterized in that, described connection principal post is parallel with described pedestal, and described joystick is vertical with the plane at described pedestal place.
4. steering control mechanism according to claim 2 is characterized in that, described connection principal post is vertical with described pedestal, the plane parallel at described joystick and described pedestal place.
5. steering control mechanism according to claim 4 is characterized in that, described joystick can rotate up 90 degree from level attitude by described relatively connection principal post with to be connected principal post hinged.
6. steering control mechanism according to claim 1 is characterized in that, described rod section comprises:
One first swivel joint is arranged on described rod section first end;
One second swivel joint is arranged on described rod section second end accordingly with described first swivel joint; And
A drag link is positioned at the middle part of described rod section, and its two ends are connected respectively to described first swivel joint and second swivel joint.
7. steering control mechanism according to claim 6 is characterized in that, described swivel joint is a globe bearing.
8. steering control mechanism according to claim 6 is characterized in that, fixedly installs on the described steering swivel or an integrally formed spindle arm, and described spindle arm is connected rotationally with second swivel joint of described rod section.
9. steering control mechanism according to claim 1, it is characterized in that, between described rod section and described linkage portion, also comprise being rotatably installed on a reel cage on the described pedestal, described reel cage has: reel cage first end is pivotally connected to described rod section second end; And reel cage second end, be connected with described linkage portion.
10. steering control mechanism according to claim 9, it is characterized in that, comprise an intermediate rod between the other end of two transmission arms of described linkage portion, and described linkage portion also comprises a transition link rod, its first end is pivotally connected to described reel cage second end, and its second end is pivotally connected to an end of described intermediate rod.
11. steering control mechanism according to claim 9, it is characterized in that, described linkage portion comprises two intermediate rods, and first end of each intermediate rod is connected with second end of described reel cage respectively, and second end of each intermediate rod is connected with the other end of two described transmission arms respectively.
12. one kind is used for ride instead of walk the steering swivel of car of power, the described car of riding instead of walk comprises pedestal and steering control mechanism, both sides, described pedestal rear end are respectively arranged with longitudinal hole, described steering swivel is installed on the described pedestal and with described steering control mechanism and is connected, described steering control mechanism has a linkage portion, described linkage portion has two transmission arms, it is characterized in that, described steering swivel is captiveed joint with an end of corresponding transmission arm respectively, is connected with intermediate rod between the other end of two transmission arms rotationally.
13. steering swivel according to claim 12 is characterized in that, described two steering swivels are respectively universal wheeled steering swivel, and its steering shaft is installed in respectively in the corresponding described longitudinal hole.
14. steering swivel according to claim 12 is characterized in that, each described steering swivel comprises respectively:
A steering shaft is arranged in the corresponding described longitudinal hole, and stretch out from described longitudinal hole respectively at two ends;
" U " shape frame, comprise a upper side wall, one and the cooresponding lower wall of described upper side wall and a middle sidewall that is connected described upper side wall and lower wall, be respectively equipped with corresponding through hole on described upper side wall and the described lower wall, match with the two ends of described steering shaft; And
A steering wheel shaft is fixedly installed on the lateral surface of middle sidewall of described " U " shape frame.
15. steering swivel according to claim 14 is characterized in that, the left and right sides longitudinal hole on the described pedestal is a bevelled, and the upper end that makes the steering shaft on the steering swivel of the described left and right sides is respectively accordingly to pedestal inboard and angle of rear side inclination.
16. steering swivel according to claim 12, it is characterized in that, two pivoting points between the intermediate rod of described linkage portion and the transmission arm and two pivoting points between described steering swivel and the described pedestal form trapezium structure jointly, make the moment turning center of the wheel flutter on the steering swivel be positioned at the plane perpendicular to the ground at the line of centres place of road wheel.
A car 17. power is ridden instead of walk is characterized in that, comprises arbitrary described steering control mechanism and/or steering swivel in the claim 1 to 11, and described pedestal comprises:
First pedestal is relatively set with two live axles in its both sides, and road wheel is installed respectively on it;
Second pedestal is relatively set with two steering swivels in its both sides, and wheel flutter is installed respectively on it;
Described second pedestal is rotatably connected to described first pedestal.
The car 18. power according to claim 17 is ridden instead of walk is characterized in that, the fulcrum of the actuating portion of described steering control mechanism is fixed with respect to described first pedestal, described reel cage with respect to described second pedestal fixing on.
A car 19. power is ridden instead of walk is characterized in that, comprises arbitrary described steering swivel in the claim 12 to 16, and described pedestal comprises:
First pedestal is relatively set with two live axles in its both sides, and road wheel is installed respectively on it;
Second pedestal is relatively set with two steering swivels in its both sides, and wheel flutter is installed respectively on it;
Described second pedestal is rotatably connected to described first pedestal.
A car 20. power is ridden instead of walk is characterized in that, comprises in the claim 1 to 11 the described steering swivel of arbitrary claim in the arbitrary described steering control mechanism and claim 12 to 16, and described pedestal comprises:
First pedestal is relatively set with two live axles in its both sides, and road wheel is installed respectively on it;
Second pedestal is relatively set with two steering swivels in its both sides, and wheel flutter is installed respectively on it;
Described second pedestal is rotatably connected to described first pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200880376U CN2716122Y (en) | 2004-08-18 | 2004-08-18 | Power-driven vehicle and steering operating mechanism and knuckle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200880376U CN2716122Y (en) | 2004-08-18 | 2004-08-18 | Power-driven vehicle and steering operating mechanism and knuckle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2716122Y true CN2716122Y (en) | 2005-08-10 |
Family
ID=34875005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200880376U Expired - Lifetime CN2716122Y (en) | 2004-08-18 | 2004-08-18 | Power-driven vehicle and steering operating mechanism and knuckle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2716122Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670361A (en) * | 2012-05-30 | 2012-09-19 | 王保福 | Electrically propelled wheelchair |
| CN102824251A (en) * | 2012-09-13 | 2012-12-19 | 王保福 | Electric wheel chair |
| CN102961091A (en) * | 2012-11-29 | 2013-03-13 | 苏州德汇清洁科技有限公司 | Connecting device for mounting dust pushing raker and dust pushing vehicle including same |
| CN103538627A (en) * | 2013-10-30 | 2014-01-29 | 叶呈艳 | Power vehicle with double joysticks controlling front-two-wheel steering |
| TWI447372B (en) * | 2009-08-04 | 2014-08-01 | Meidensha Electric Mfg Co Ltd | Vehicle fixed structure |
| CN106240726A (en) * | 2016-08-26 | 2016-12-21 | 好孩子儿童用品有限公司 | Children's electric motor vehicle |
| CN107953957A (en) * | 2016-10-17 | 2018-04-24 | 彭加桂 | The narrow body car of single row of seats |
| CN107233168B (en) * | 2016-03-25 | 2018-05-25 | 扬顶(天津)商贸有限公司 | The motion sensing manipulation handle and front frame mechanism of a kind of electric wheelchair |
| CN108556996A (en) * | 2018-04-19 | 2018-09-21 | 北京特睿夫科技有限公司 | Novel motorcycle steering wheel hub system |
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2004
- 2004-08-18 CN CNU2004200880376U patent/CN2716122Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI447372B (en) * | 2009-08-04 | 2014-08-01 | Meidensha Electric Mfg Co Ltd | Vehicle fixed structure |
| CN102670361A (en) * | 2012-05-30 | 2012-09-19 | 王保福 | Electrically propelled wheelchair |
| CN102670361B (en) * | 2012-05-30 | 2014-11-26 | 王保福 | Electrically propelled wheelchair |
| CN102824251A (en) * | 2012-09-13 | 2012-12-19 | 王保福 | Electric wheel chair |
| CN102961091B (en) * | 2012-11-29 | 2016-01-20 | 苏州德汇清洁科技有限公司 | A kind ofly push away the jockey taken off and the dirt go-cart comprising this device for installing dirt |
| CN102961091A (en) * | 2012-11-29 | 2013-03-13 | 苏州德汇清洁科技有限公司 | Connecting device for mounting dust pushing raker and dust pushing vehicle including same |
| CN103538627A (en) * | 2013-10-30 | 2014-01-29 | 叶呈艳 | Power vehicle with double joysticks controlling front-two-wheel steering |
| CN107233168B (en) * | 2016-03-25 | 2018-05-25 | 扬顶(天津)商贸有限公司 | The motion sensing manipulation handle and front frame mechanism of a kind of electric wheelchair |
| CN106240726A (en) * | 2016-08-26 | 2016-12-21 | 好孩子儿童用品有限公司 | Children's electric motor vehicle |
| CN106240726B (en) * | 2016-08-26 | 2022-05-03 | 好孩子儿童用品有限公司 | Children electric vehicle |
| CN107953957A (en) * | 2016-10-17 | 2018-04-24 | 彭加桂 | The narrow body car of single row of seats |
| CN108556996A (en) * | 2018-04-19 | 2018-09-21 | 北京特睿夫科技有限公司 | Novel motorcycle steering wheel hub system |
| CN108556996B (en) * | 2018-04-19 | 2020-04-14 | 北京特睿夫科技有限公司 | Novel motorcycle steering wheel hub system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140818 Granted publication date: 20050810 |