A kind of steering column for vehicles pipe assembly and control method thereof
Technical field
The present invention relates to steering column for vehicles, relate in particular to a kind of steering column for vehicles pipe assembly and control method thereof.
Background technology
Along with the development of Domestic Automotive Industry and improving constantly of car mass, people are also more and more higher to the performance requriements of auto parts and components, and automobile turning pipe pillar assembly is as the parts of closure dish and deflector, it acts on not only transmitting torque, automobile is in order to guarantee the safety of chaufeur at present, simultaneously also for more comfortable, handle and turn to reliably, conventionally require the control apparatus of reliability of service on steering control mechanism, safety, and adjustable steering column pipe.To meet the different vehicle driving posture of chaufeur and the stature best actuated position to steering handwheel, and chaufeur is to facilitating into and out of driver's seat requirement.
The steering-column tube generally adopting in existing automobile steering system only has both direction adjustable, it is above-below direction regulatory function, the steering-column tube that simultaneously possesses fore-and-aft direction regulatory function is less, and most of complex structures, parts machining accuracy requirement is higher, but regulatory function unreliable in performance, fault rate is high.Present people thirst for a kind of steering column for vehicles pipe assembly and using method solves the problem in reality.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of steering column for vehicles pipe assembly and control method thereof are provided.
Steering column for vehicles pipe assembly comprises steering shaft assembly, upper prop pipe assembly, lower prop pipe assembly, regulating mechanism for locking, universal joint assembly, countershaft assembly, bearing, circlip, O type circle, rubber bush, flatten elastic spring, described steering shaft assembly comprises splined sleeve, castellated shaft, described regulating mechanism for locking comprises assembling bolt, upper locating plate, sliding shim, the first partial metallurgy slide block, regulate support, hexagonal bar iron, plastic slide block, latch segment, surface bearing, overbolt, handle, the second partial metallurgy slide block, pull piece, spring, black nut, splined sleeve is connected with castellated shaft, and upper prop pipe assembly and lower prop pipe assembly are enclosed within steering shaft assembly periphery, steering shaft assembly successively, upper prop pipe assembly, lower prop pipe assembly connects by regulating mechanism for locking, and steering shaft assembly is connected with countershaft assembly by universal joint assembly, and steering shaft assembly left end is successively through circlip, bearing, O type circle coordinates with upper prop pipe assembly, and steering shaft assembly right-hand member is successively through rubber bush, bearing, flatten elastic spring and coordinate with lower prop pipe assembly, the overbolt of regulating mechanism for locking is successively through the first partial metallurgy slide block, sliding shim, regulate support left side, be embedded in the plastic slide block in upper prop pipe assembly left side, be embedded in the plastic slide block on upper prop pipe assembly right side, regulate support right side, sliding shim, the second partial metallurgy slide block, latch segment, handle, surface bearing, black nut, upper locating plate is connected with upper prop pipe assembly by assembling bolt, and spring is fixed with regulating support by upper locating plate, and sliding shim is fixed with regulating support by hexagonal bar iron, pulls piece and fixes with regulating support.
Described castellated shaft adopts macromolecule nylon resin-coating technology, and adopts the technique that applies the rear hot running-in of cutting.
Described upper prop pipe assembly adopts die casting aluminium material, and is designed with groove structure, utilizes groove distortion to clamp inner and outer pipes, and upper prop pipe assembly and lower prop pipe assembly Zero clearance are coordinated;
Described sliding shim is multilayer corrosion-resistant steel brace panel.
Described splined sleeve free-sliding spline position adopts rubber combined shock absorbing bushing mechanism, vulcanizes one deck yielding rubber between inside and outside drive bush.
The control method of steering column for vehicles pipe assembly is:
1) upwards stirring handle, there is gap in the latch segment and the second partial metallurgy slide block flange mechanism that transmit screwing force, makes regulating mechanism for locking loosening;
2) hold with a firm grip steering shaft assembly and up and down promote, upper prop pipe assembly is separated with lower prop pipe assembly, steering-column tube assembly gets final product up-down adjustment;
3) hold with a firm grip steering shaft assembly swing, makes to regulate support and deflection of spring, steering-column tube assembly can before and after regulate;
4) steering-column tube assembly is adjusted to after correct position, stirs handle downwards, and the latch segment and the second partial metallurgy slide block flange mechanism that transmit screwing force recover stressed, make regulating mechanism for locking in locking state.
The effect intentionally that the present invention compared with prior art has is: the steering shaft by detachable column jecket up and down and retractable is realized up-down adjustment function, in conjunction with the front and back regulatory function that regulates supporting structure to realize, can reach the regulatory function of upper and lower front and back four direction; Column jecket adopts die casting aluminium structure, is designed with groove on it, utilizes groove distortion to clamp inner and outer pipes, inside and outside column jecket Zero clearance after making to clamp, and catch gear adopts the sliding shim of multilayer corrosion-resistant steel brace panel, enlarge active surface, improve and clamp confining force, reduced lever operated power when tubing string regulates; Splined sleeve free-sliding spline position adopts rubber combined shock absorbing bushing mechanism, vulcanizes the technique of one deck yielding rubber between inside and outside drive bush, can effectively absorb the vehicle body shake of the middle generation of travelling by this rubber layer, has improved the traveling comfort of driving.The present invention is simple to operate, rational in infrastructure, and regulatory function is outstanding, has promoted driving comfort and safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of steering column for vehicles pipe assembly of the present invention;
Fig. 2 is the first half cutaway view of steering column for vehicles pipe assembly of the present invention;
Fig. 3 is the regulating mechanism for locking cross sectional drawing of steering column for vehicles pipe assembly of the present invention;
Fig. 4 is the regulating mechanism for locking birds-eye view of steering column for vehicles pipe assembly of the present invention.
In figure, steering shaft assembly 1, upper prop pipe assembly 2, lower prop pipe assembly 3, regulating mechanism for locking 4, universal joint assembly 5, countershaft assembly 6, bearing 7, splined sleeve 8, castellated shaft 9, circlip 10, O type circle 11, rubber bush 12, flatten elastic spring 13, assembling bolt 14, upper locating plate 15, sliding shim 16, the first partial metallurgy slide block 17, regulate support 18, hexagonal bar iron 19, plastic slide block 20, latch segment 21, surface bearing 22, overbolt 23, handle 24, the second partial metallurgy slide block 25, pull piece 26, spring 27, black nut 28.
The specific embodiment
As Fig. 1, 2, 3, shown in 4, steering column for vehicles pipe assembly comprises steering shaft assembly 1, upper prop pipe assembly 2, lower prop pipe assembly 3, regulating mechanism for locking 4, universal joint assembly 5, countershaft assembly 6, bearing 7, circlip 10, O type circle 11, rubber bush 12, flatten elastic spring 13, described steering shaft assembly 1 comprises splined sleeve 8, castellated shaft 9, regulating mechanism for locking 4 also comprises assembling bolt 14, upper locating plate 15, sliding shim 16, the first partial metallurgy slide block 17, regulate support 18, hexagonal bar iron 19, plastic slide block 20, latch segment 21, surface bearing 22, overbolt 23, handle 24, the second partial metallurgy slide block 25, pull piece 26, spring 27, black nut 28, splined sleeve 8 is connected with castellated shaft 9, upper prop pipe assembly 2 and lower prop pipe assembly 3 are enclosed within steering shaft assembly 1 periphery successively, connect by regulating mechanism for locking 4, steering shaft assembly 1 is connected with countershaft assembly 6 by universal joint assembly 5, and steering shaft assembly 1 left end is successively through circlip 10, bearing 7, O type circle 11 coordinates with upper prop pipe assembly 2, and steering shaft assembly 1 right-hand member is successively through rubber bush 12, bearing 7, flatten elastic spring 13 and coordinate with lower prop pipe assembly 3, the overbolt 23 of regulating mechanism for locking 4 is successively through the first partial metallurgy slide block 17, sliding shim 16, regulate support 18 left sides, be embedded in the plastic slide block 20 in upper prop pipe assembly 2 left sides, be embedded in the plastic slide block 20 on upper prop pipe assembly 2 right sides, regulate support 18 right sides, sliding shim 16, the second partial metallurgy slide block 25, latch segment 21, handle 24, surface bearing 22, black nut 28, upper locating plate 15 is connected with upper prop pipe assembly 2 by assembling bolt 14, spring 27 is fixing with adjusting support 18 by upper locating plate 15, and sliding shim 16 is fixed with regulating support 18 by hexagonal bar iron 19, pulls piece 26 and regulates support 18 fixing.
As shown in Figure 2, the castellated shaft 9 of steering column for vehicles pipe assembly adopts macromolecule nylon resin-coating technology, and adopts the technique that applies the rear hot running-in of cutting.Make free-sliding spline there is good resistance to abrasion, resistant of high or low temperature and corrosion stability, and there is less sliding force and less running clearance simultaneously, greatly improved reliability and the service life of product; Splined sleeve 8 free-sliding spline positions adopt rubber combined shock absorbing bushing mechanism, vulcanize the technique of one deck yielding rubber between inside and outside drive bush, can effectively absorb the vehicle body shake of the middle generation of travelling by this rubber layer, have improved the traveling comfort of driving.
As shown in Figure 3, the upper prop pipe assembly 2 of steering column for vehicles pipe assembly adopts die casting aluminium material, and is designed with groove structure, utilizes groove distortion to clamp inner and outer pipes, and upper prop pipe assembly 2 and lower prop pipe assembly 3 Zero clearances are coordinated; Catch gear 3 adopts the sliding shim 16 of multilayer corrosion-resistant steel brace panel, and enlarge active surface improves and clamps confining force, has reduced lever operated power when tubing string regulates.
The using method of steering column for vehicles pipe assembly comprises the following steps:
1) upwards stirring handle 24, there is gap in the latch segment 21 and the second partial metallurgy slide block 25 flange mechanisms that transmit screwing force, makes regulating mechanism for locking loosening;
2) hold with a firm grip steering shaft assembly 1 promoting up and down, makes upper prop pipe assembly 2 separate with lower prop pipe assembly 3, and steering-column tube assembly gets final product up-down adjustment;
3) hold with a firm grip steering shaft assembly 1 swing, makes to regulate support 18 and spring 27 to be out of shape, steering-column tube assembly can before and after regulate;
4) steering-column tube assembly is adjusted to after correct position, stirs handle 24 downwards, and the latch segment 21 and the second partial metallurgy slide block 25 flange mechanisms that transmit screwing force recover stressed, make regulating mechanism for locking in locking state.