Adjustable and mechanically lockable steering column
A steering rod, stepless adjustment technology, applied in the field of steering rods, to achieve the effect of reliable function
Active Publication Date: 2017-02-22
SCANIA CV AB
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AI Technical Summary
Problems solved by technology
[0012] It is an object of the present invention to solve the problems described above and to propose a steering lever that is easy to adjust in a stepless adjustment during normal use and locks the steering wheel at a preset angular position mainly by means of friction, but when Friction locking The steering rod automatically activates a mechanical form lock that fixes the angular position of the steering wheel, e.g. during a crash, if it is no longer able to hold the steering wheel at its preset angle
Method used
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Embodiment Construction
[0033] figure 1 Shows a side view of a steering rod 1 according to the invention mounted at a slider 2 which in turn is mounted in a main frame 3 in a vehicle cabin, for example mounted on a pedal and / or a cross member metal plate (not shown in the figure). The main frame 3 is provided on its sides with substantially horizontal external slots 4 through which the slider 2 can be displaced forwards or backwards relative to the vehicle and the driver. The swivel joint 6 of the upper steering rod 5 is articulatedly mounted in the rear portion of the slider 2 as viewed in the longitudinal direction of the vehicle.
[0034] The swivel joint 6 of the steering rod is also mechanically joined to a strut 8 comprising a sheet-like sleeve 9 via a further joint 7 located at a distance from the swivel joint 6 (see figure 2 ). Both the strut 8 and the sheet-like sleeve 9 are provided with a longitudinal slot 10 through which the shaft 11 is arranged transversely to the slider 2 . The sh...
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The invention concerns a steering column (1), preferably intended for the adjustment in stepless adjustments of the angular position of a steering wheel (12) in a heavy commercial vehicle such as a truck, comprising a steering column (1) in several parts and with an upper rotational joint (6), a slide bracket (2) arranged in the driver's cabin of the vehicle, and a strut (8) mounted between the slide bracket (2) and the upper rotational joint (6) with the aid of which the tilt angle (a) of the steering wheel (12) can be adjusted and locked by friction. The invention is achieved through the strut (8) with its outer end being arranged jointed at the upper steering column (5), preferably close to its rotational joint (6), that the strut (8) is arranged such that it can be displaced in the slide bracket (2), that shaped means (24, 25) are arranged to interact with each other and to mechanically lock the strut (8) in its position relative to the slide bracket (2), and in this way also the preset angular position ([alpha]) of the steering wheel (12), when the mechanical load on the steering wheel (12) exceeds a predetermined limiting value.
Description
technical field [0001] The invention relates to a steering column that can be adjusted on a vehicle, mainly intended for heavy commercial vehicles, such as trucks. The invention relates in particular to a steering lever provided with a sheet-like sleeve which holds the steering wheel in a desired and set position by means of friction during normal use. When the mechanical force across the steering rod reaches an upper limit value, such as in the case of an accident, it is desirable for the steering rod to be fixed at a preset angle by means of eg a mechanical lock. The invention also relates to a vehicle equipped with an adjustable and mechanically lockable steering column according to the invention. Background technique [0002] Most vehicles today are equipped with a steering column that allows the vehicle's steering wheel to be set at the correct angle for a particular driver. It is important to implement such a setup easily and without labor-intensive efforts. [0003...
Claims
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IPC IPC(8): B62D1/184B62D1/183
CPCB62D1/183B62D1/184B62D1/195
Inventor M·内斯隆德K·尼克拉斯J·瑟德隆德E·加尔贝里T·谢普斯特伦
Owner SCANIA CV AB