The steering hardware of ski type motorbike
Technical field
The invention belongs to technical field of transportation means, be specifically related to a kind of steering hardware of ski type motorbike.
Background technology
Known, ski type motorbike is both to have can be used as the vehicle, can be used as the snowfield special vehicle of the usefulness of travelling again.For example also disclosing in the Chinese patent literature at document has this type of vehicle, for example utility model patent Granted publication CN2832655Y recommends have a kind of travelling to use snow wagon, the steering hardware of the snow wagon of this kind structure comprises steering track rod (Reference numeral 34 of patent) and jociey stick (Reference numeral of patent is 4), steering track rod and jociey stick connect, and with two skis devices be that sledge connects.The existing shortcoming of this steering hardware is: when the head of vehicle and/or two skis device met with bump, application force was passed to jociey stick through steering track rod, makes the health direction motion of jociey stick towards chaufeur, thereby can cause the injury to chaufeur.
Also has a kind of ski type motorbike that comparatively generally uses at present, structure is by shown in Figure 3, the steering hardware of this ski type motorbike comprises an axis of orientation 1 and a pair of intermediate rod 2, there is shown and be arranged in the intermediate rod 2 that one of them sledge 3 side and a pair of sledge 3 connects, and intermediate rod 2 connects with axis of orientation 1.Chaufeur is a steering handle when operating to the right left with handgrip, drives correspondingly motion to the left or to the right of sledge 3 by the axis of orientation 1 that connects with handgrip so, uses the direct of travel of adjusting vehicle.Steering hardware on this ski type motorbike exists the problem to the chaufeur injury equally.For example, when the bump situation took place between the headstock of vehicle and/or sledge and the obstacle, axis of orientation 1 can and cause the chaufeur of causing injury towards the direction motion of chaufeur.That is to say, ski type motorbike in the prior art is when vehicle is clashed into, the axis of orientation 1 of steering hardware can take place and the corresponding direction motion of chaufeur, because when meeting with bump, under the effect of force of inertia, the direction that the health of chaufeur is usually expressed as to headstock leans forward, so only make axis of orientation 1 keep consistent with the forward lean direction of chaufeur promptly towards the motion of headstock direction, could avoid axis of orientation 1 to undermine the health of chaufeur effectively.
Summary of the invention
Task of the present invention is to provide a kind of and can avoids axis of orientation to injure the health of chaufeur when vehicle is clashed into effectively and use the steering hardware of the ski type motorbike that embodies safety.
Task of the present invention is finished like this, a kind of steering hardware of ski type motorbike, it comprises axis of orientation and the intermediate rod a pair of and that sledge connects that is located at rotationally on the vehicle frame, characteristics are: also include one and be located at and make the upper end of axis of orientation towards headstock direction travel direction axle steer device when the head of vehicle is clashed into described axis of orientation and described a pair of intermediate rod being used for of connecting mutually on the described vehicle frame, described axis of orientation steering hardware comprises the axis of orientation swing arm, the direction pull bar, the steering shaft swing arm, towing plate and steering shaft, the axis of orientation swing arm be fixed on described axis of orientation the lower end and with a client link of described direction pull bar, one client link of the other end of direction pull bar and steering shaft swing arm, and the other end of steering shaft swing arm and described steering shaft are fixed, one end of towing plate and a client link of described a pair of intermediate rod, and the sledge of the other end of a pair of intermediate rod and described sledge turns to goat's horn to connect, the other end of towing plate is fixed on the steering shaft and is positioned at the top of described steering shaft swing arm, the upper end of steering shaft is bearing on the upper mounted plate that is fixed in described vehicle frame front end rotationally, the lower end of steering shaft is bearing on the bottom plate that is fixed in the vehicle frame front end rotationally, wherein, on, it is corresponding up and down that bottom plate keeps.
In another specific embodiment of the present invention, one client link of described direction pull bar has one first to connect bulb, the other end is linked with one second and connects bulb, and first connects bulb is connected with described axis of orientation swing arm, and the second connection bulb is connected with described steering shaft swing arm.
Go back in the specific embodiment of the present invention, offer one first on the described direction pull bar adjustment hole is installed.
In another specific embodiment of the present invention, the described first installation adjustment hole is a spanner hole.
In another specific embodiment of the present invention, the upper end of described steering shaft by primary shaft bearing and hub setting on described upper mounted plate, and the second bearing seat hub setting is passed on described bottom plate in the lower end of steering shaft, and it is corresponding up and down that first, second bearing seat keeps.
In of the present invention and then specific embodiment, the position of described primary shaft bearing occupy the middle part of the length direction of described upper mounted plate, and the position of described second bearing seat occupy the middle part of the length direction of described bottom plate.
Also and then in specific embodiment, the length of described upper and lower fixing plate equates of the present invention.
In again of the present invention and then specific embodiment, each client link of described a pair of intermediate rod has one the 3rd to connect bulb, each other end is linked with one the 4th and connects bulb, wherein, the 3rd connects bulb turns to goat's horn to be connected with described sledge, and the 4th connection bulb is connected with described towing plate.
In again of the present invention and then specific embodiment, offer on the described a pair of intermediate rod and at the position placed in the middle of the length direction of each intermediate rod and be used for second adjustment hole being installed for what spanner was inserted.
The advantage of technical scheme provided by the present invention is: when the head of ski type motorbike and/or sledge when suffering the obstacle bump, ensure of the direction motion of the top of axis of orientation towards the headstock of snow wagon by the axis of orientation steering hardware, the direction that leans forward that the sense of motion that makes axis of orientation and the person of riding are taken place when Vehicular impact is consistent, thereby can prevent the cause injury person's of riding body of axis of orientation reliably, therefore have good safety.
Description of drawings
Fig. 1 is a specific embodiment constructional drawing of the changed course mechanism of ski type motorbike of the present invention.
Fig. 2 is that the changed course mechanism of ski type motorbike of the present invention is configured in the scheme drawing on the ski type motorbike.
Fig. 3 is the connection scheme drawing between axis of orientation, intermediate rod and the sledge three of the ski type motorbike in the prior art.
The specific embodiment
For allow Patent Office your inspector especially the public can more be expressly understood technical spirit of the present invention and fully recognize the truth technique effect of the present invention, the applicant will elaborate to the specific embodiment of the present invention in conjunction with the accompanying drawings below.Only; applicant's all explanations in an embodiment all are not the restrictions that constitutes the present invention program; therefore, anyone is as long as made under the present invention program's enlightenment sheerly pro forma and be not to be the scope that substantial equivalence changes and remodeling all should be considered as technical scheme category disclosed in this invention and be considered as the claimed protection.
Ask for an interview Fig. 1, provided the changed course mechanism of ski type motorbike, described ski type motorbike comprises vehicle frame 4, and the steering hardware of described ski type motorbike has comprised the intermediate rod 2 that axis of orientation 1 and a pair of and sledge 3 connect and also comprised axis of orientation steering hardware 5 as technical essential of the present invention.Hub setting promptly is arranged on the vehicle frame 4 rotationally by clutch shaft bearing 14 in the lower end of axis of orientation 1, the top of axis of orientation 1 installs steering handle 6, this steering handle 6 can be referred to as tap or handgrip again, the portion on the upper side of axis of orientation 1 and be positioned at described steering handle 6 below direction of passage bearing seat 11 take second bearing 13 and be located at rotationally on the vehicle frame 4, wherein, the position of first, second bearing 14,13 corresponds to each other.For the anglec of rotation that makes axis of orientation 1 is limited, therefore on axis of orientation 1, be installed with a positioning plate 12.Under the effect of steering handle 6, axis of orientation 1 is rotated, and axis of orientation 1 is made clickwise or the angle of making left-hand revolution by positioning plate 12 restrictions.The reason known as industry, ski type motorbike has a pair of sledge 3 (Fig. 2 shows), each sledge 3 is located at sledge and turns on first, second knuckle arm 311,312 of goat's horn 31, and first knuckle arm 311 is hinged with the following side of vehicle frame 4 front ends, the upper articulation of second knuckle arm 312 and vehicle frame 4 front ends; First knuckle arm 311 and second knuckle arm be corresponding the layout about in the of 312, turn to goat's horn 31 to interconnect with sled respectively by ball pivot bind mode in relative rotation, turn to goat's horn to form quadrilateral structure with vehicle frame 4 and sled, be used for realizing the upper and lower translation of sled at motion process.Since a pair of intermediate rod 2 and sledge turn to goat's horn 31 and and the bind mode of the following axis of orientation steering hardware 5 that will describe be identical, so the applicant selects one and describes.End at intermediate rod 2 is that intermediate rod 2 is linked with one the 3rd connection bulb 21 with the end that sledge turns to goat's horn 31 to connect mutually in the spiral marking connection mode, connects bulb 21 with the 3rd bulb connecting pin 211 with the 3rd and turns to goat's horn 31 to connect with sledge; The other end of intermediate rod 2 connects one the 4th in the spiral marking connection mode equally and connects bulb 22, connects bulb 22 with the 4th bulb connecting pin 221 with the 4th and connects with axis of orientation steering hardware 5; Be processed with one second at the middle part of the length direction of intermediate rod 2 adjustment hole 23 is installed, when this second installation adjustment hole 23 supplies assembling and setting and dismantles the adjusting of maintaining in the use, probeing into this second installation adjustment hole 23 with spanner or similar hardware ﹠ tools just can make intermediate rod 2 produce rotation, make intermediate rod 2 obtain adjusting, adjust the back and lock by nut in a pair of the 3rd, the 4th distance that connects between the bulb 21,22.
Please continue to see Fig. 1, one end of the axis of orientation swing arm 51 of the axis of orientation steering hardware of recommending as technical essential of the present invention 5 is fixed on the bottom of axis of orientation 1, the other end first is connected bulb 521 and connects with what the first bulb connecting pin 5211 and an end of direction pull bar 52 connect, and the other end of direction pull bar 52 is by the client link of the second connection bulb, 522 usefulness, the second bulb connecting pin 5221 with steering shaft swing arm 53, the other end of steering shaft swing arm 53 is fixed on the steering shaft 55, offer at the middle part of the length direction of direction pull bar 52 one and second install the function of adjustment hole 23 identical first adjustment hole 523 is installed.Install in the adjustment hole 523 when being insinuated into first with spanner or similar instrument, just can make 52 rotations of direction pull bar, direction pull bar 52 is adjusted with a pair of distance that first, second is connected between the bulb 521,522, the final suitable distance of direction pull bar 52 between axis of orientation swing arm 51 and steering shaft swing arm 53 that obtain locks with nut after the adjustment equally.One end suit of towing plate 54 is fixed on the middle part of steering shaft 55, and the other end offers connecting pore 541, and aforesaid the 4th bulb connecting pin 221 is inserted in this connecting pore 541 and with nut and located, and whole towing plate 54 is corresponding to the top of steering shaft swing arm 53.The upper end of steering shaft 55 is located on the primary shaft bearing 551 rotationally, and a pair of first fix screw 5511 of primary shaft bearing 551 usefulness is fixed in the middle part of length direction of the upper mounted plate 41 of vehicle frame 4; The lower end of steering shaft 55 is located on second bearing seat 552 rotationally, and a pair of second fix screw 5521 of second bearing seat, 552 usefulness is fixed on the middle part of length direction of the bottom plate 42 of vehicle frame 4.Upper and lower fixing plate 41,42 above-mentioned length each other be equate and the position be to keep cooresponding.
Ask for an interview Fig. 2 and in conjunction with Fig. 1, the applicant sketches the effect of axis of orientation steering hardware 5 of the present invention, when sledge 3 particularly the head of vehicle clashed into and even be out of shape or cause when decreasing, direction pull bar 52 can produce the application force of (with respect to the vehicle direct of travel) backward, make the lower end generation power and even the distortion backward backward of axis of orientation 1, the direction motion of steering handle towards headstock then taken in the upper end of axis of orientation 1 under the effect of antagonistic force, meanwhile, because the effect of force of inertia, in the moment that vehicle is clashed into, the health of chaufeur can incline towards the headstock direction (leaning forward), thereby make the deformation direction of axis of orientation 1 upper end or claim that the position change direction is consistent with driver's the direction that leans forward, avoid causing the secondary injury to the driver by axis of orientation 1.