7 results about "Automobile handling" patented technology

The application discloses a kind of design methods of steer-by-wire steering system transmission ratio, comprising: establishing the three-degree-of-freedom dynamics model of semi-trailer vehicle including tractor lateral motion model, tractor yaw motion model and trailer hinged angle motion model;Three reference variable steering transmission ratios based on yaw angular velocity gain, lateral acceleration gain and hinged angle gain are calculated respectively;Speed transition function is established and weight coefficient varying with vehicle speed is designed, and the three reference variable steering transmission ratios are weighted and fused to obtain the expression of steer-by-wire steering transmission ratio;The comprehensive evaluation index of semi-trailer vehicle handling stability including path tracking deviation index, driver control load index, trailer lateral stability index and hinged angle stability index is constructed;The optimization parameter vector in the expression of steer-by-wire steering transmission ratio is extracted, and the global optimization is carried out by using particle swarm optimization algorithm, and the optimal parameter is substituted into the expression of steer-by-wire steering transmission ratio to generate the speed-variable steering transmission ratio of semi-trailer vehicle steer-by-wire steering system.

The utility model discloses a kind of automobile hand handle buffer pads, including buffer pad, telescopic layer is arranged in the buffer pad middle end, silicon rubber is used on the buffer pad outside, filling layer is arranged in the buffer pad inside, the buffer pad outside can die-cut into special-shaped structure, adhere to hand handle ergonomic curve, first support rod and second support rod are arranged in the buffer pad side end port edge inside;A kind of automobile hand handle buffer pad, by buckle band is inserted into one end of automobile hand handle, then utilizes telescopic layer adjustment another end installation buckle band, installation is simple, and after buckle band overturning is inserted, rely on the elasticity of material and rebound inside, form tight hoop force, in combination with anti-skid line, different sizes of automobile hand handle can be adapted, after installation, buffer pad and hand handle are closely adhered, utilize sawtooth anti-skid line can prevent finger accidental sliding, improve use safety.

The utility model is suitable for automobile handle technical field provides a kind of intelligent car lock that can be installed on automobile handle, it includes: handle pedestal, intelligent car lock body, fixed plate, mounting plate, through -hole and locking mechanism;Intelligent car lock body is installed in handle pedestal, and fixed plate is fixed in handle pedestal.In the scheme, gear linkage is driven in linkage unit in locking mechanism, and make adjusting rod pass through gear slot meshing linkage, and then pass through pull rod drive driving seat, driven seat opposite movement, and pass through the slope extrusion of first abutment plate, second abutting plate two expansion cylinders, make expansion cylinder whole inflation, and lock in through -hole, the quick adjustment of the spacing between driving seat and driven seat is realized by the linkage structure of pressing type, avoid needing to use screw and other connecting pieces to drive, effectively avoid the problem of screw loosening, simultaneously, through slope structure push expansion cylinder inflation, so that intelligent car lock body can be quickly locked in handle pedestal.

The utility model is suitable for automobile handle technical field provides a kind of automobile handle convenient to replace, including: handle assembly, handle shell, installation cavity, locking mechanism and unlocking assembly.In the scheme, through the locking rod in locking mechanism and lock plate butt joint, and then drive lock plate rotation, locking rod is locked in lock groove, and limit plate synchronous rotation, until abutment plate is locked in the clamping groove and lock plate is locked, realize self-locking, make handle assembly, handle shell both can be quickly connected locking, simultaneously through setting unlocking assembly, and then through the driving rod in unlocking assembly drive multiple lever and limit plate whole rotation, make abutment plate and clamping groove separate, realize unlocking, adopt mechanical locking structure and spring pre-tightening structure, when handle shell and assembly butt joint, automatic locking, avoid the plastic deformation risk of traditional plastic buckle, and built-in driving rod penetrates all limit plate nodes, unilateral pressing can realize multiple-point synchronous release.

1. Name of the designed product: automobile handle (TACOMA A column upgrade). 2. Use of the designed product: used for automobile handle, for passengers to hold when getting on and off the vehicle. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application relates to the technical field of cable detection, in particular to a method, equipment and system for detecting the production quality of a car operating cable, which comprises the following steps: calculating a quality instability coefficient by the mutual relationship between different detection data under the same curvature, and quantifying the stability of the internal resistance of the cable; calculating a quality out-of-control coefficient according to the change of the detection data under different curvatures, and quantifying the resistance change in the dynamic motion process of the cable; quantitatively analyzing the dynamic change characteristics of the resistance by combining the influence of the internal quality of the cable on the resistance; correcting the LOF value of the detection data in the static detection of the car cable by the quality out-of-control coefficient; and detecting the production quality of the car cable based on the corrected LOF value, so that the accuracy of the quality and performance detection of the cable is further improved, and the reliability of the cable quality detection result is ensured.

1. Name of the product in this design: Car door handle (A03). 2. Purpose of this design: This design is used for interior door handles in automobiles for passengers to grip. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.