Abstract: A method is described for operating a motorized vehicle step that comprises driving, by a first motor assembly, a first step bracket to move a step, coupled to the first step bracket, between a first extended position and a first retracted position; driving, by a second motor assembly, a second step bracket to move a step, coupled to the second step bracket, between a second extended position and a second retracted position, wherein the second extended position is aligned with the first extended position, and wherein the second retracted position is aligned with the first retracted position; and retaining, by the first motor assembly and the second motor assembly, the first step bracket and the second step bracket in the first retracted position and the second retracted position, respectively, by a reverse self-locking effect of the first motor assembly and the second motor assembly, respectively.

Abstract: Disclosed are a step mounting assembly and a retractable step device in accordance with the present technology. The step mounting assembly comprises a first support arm, a second support arm, and a step bracket, wherein the step bracket has a first side and a second side oriented away from each other in a transverse direction of the step bracket, at least one of the first side and the second side can be connected to a step, the first support arm is pivotally connected to the step bracket, and the second support arm is pivotally connected to the step bracket to move the step connected to the step bracket between an extended position and a retracted position.

Abstract: Disclosed are a piston assembly, a magnetorheological damper, and a vehicle. The piston assembly includes a piston casing, a coil component and an iron core component, where a mounting chamber is arranged inside the piston casing, and the iron core component includes a primary and a secondary iron core. A central main flow channel is arranged inside the primary iron core and axially runs through the primary iron core, and a central auxiliary flow channel is arranged inside the secondary iron core and axially runs through the secondary iron core. An outer peripheral wall of the secondary iron core and an inner peripheral wall of the piston casing define an edge axial flow channel, and ends of the secondary iron core and the piston casing define an auxiliary radial flow channel and a main radial flow channel, respectively. At least some of the channels are in communication with each other.

Abstract: Disclosed is a hydraulic damper. In some embodiments, a hydraulic damper includes a cylinder barrel, a piston valve, a piston rod, and a frequency selection valve. The piston valve is arranged inside the cylinder barrel and divides a chamber of the cylinder barrel into a compression chamber and a recovery chamber. The piston rod is threaded through the recovery chamber and coupled with the piston valve, and another end of the piston rod extends outside the cylinder barrel. A bypass flow channel is arranged inside the piston rod, and the bypass flow channel is in communication with the compression chamber. The frequency selection valve is arranged inside the recovery chamber and mounted on the piston rod and is spaced a preset distance from the piston valve along an axial direction of the piston rod. The frequency selection valve is in communication with another end of the bypass flow channel.

Abstract: Disclosed is a piston assembly for a magnetorheological damper, which the piston assembly includes a piston rod and a piston, and the piston includes a shell, a first-end iron core, a second-end iron core, a main iron core, a coil bracket, an electromagnetic coil, a first supporting frame, and a second supporting frame. In some embodiments, the shell is provided with a first magnetorheological fluid inlet/outlet and a second magnetorheological fluid inlet/outlet, and the first-end iron core and the second-end iron core are arranged inside the shell; In some embodiments, the main iron core has a central through-hole, and the main iron core is arranged inside the shell and located between the first-end iron core and the second-end iron core; and/or, in some embodiments, the first supporting frame and the second supporting frame are arranged inside the shell.

Abstract: A hydraulic oil-circuit system and a hydraulic jack are proposed. The hydraulic oil-circuit system includes a hydraulic cylinder, an oil loading chamber, a storage oil chamber and an oil unloading pipeline; a piston is arranged in the hydraulic cylinder and divides the hydraulic cylinder into a first hydraulic oil chamber and a second hydraulic oil chamber; the first hydraulic oil chamber has a first oil port, and the second hydraulic oil chamber has a second oil port; the first oil port and the second oil port are both in unidirectional communication with the oil loading chamber and are both in unidirectional communication with the storage oil chamber; and the oil unloading pipeline connects the oil loading chamber and the storage oil chamber.

Abstract: An electric step with a locking function includes a step, a telescoping mechanism, and a locking device. The step is adapted to be mounted on a vehicle, and the telescoping mechanism is mounted on the vehicle and coupled to the step. The telescoping mechanism is configured to drive the step to move between a first position and a second position relative to the vehicle. When the step is in the first position, the step exhibits an extended state. When the step is in the second position, the step exhibits a retracted state. There is an angle between the first position and the second position. The locking device is arranged on the telescoping mechanism, and the locking device is configured to lock the step at the first position, the second position, or any position between the first position and the second position.

Abstract: An electric step device and a vehicle are provided. The electric step device includes a step, a retractable mechanism and an anti-collision assembly. The retractable mechanism includes a mounting seat, a step seat and an arm assembly, the step is mounted to the step seat, and the arm assembly is connected between the mounting seat and the step seat to drive the step to move between an extended position and a retracted position. The anti-collision assembly includes first and second anti-collision components, the first anti-collision component is mounted to the step and includes an anti-collision shaft, and the second anti-collision component is mounted to the mounting seat and includes an anti-collision groove. In the retracted position, the anti-collision shaft is fitted in the anti-collision groove. In the extended position, the anti-collision shaft is disengaged from the anti-collision groove.

Abstract: A step, a step device and a vehicle are provided. The step includes a plurality of step segments, at least one connection step segment and a fastener, adjacent step segments include a first step segment and a second step segment, a first end of the connection step segment is slidably and detachably connected to the first step segment, a second end of the connection step segment is slidably and detachably connected to the second step segment, and the fastener is configured to fasten the connection step segment and the first step segment and to fasten the connection step segment and the second step segment.

Abstract: A step device is provided, including a step, a limiting assembly, and a driving assembly. The step includes a fixed board and a movable board. A first end of the movable board is rotatably coupled to a first end of the fixed board, so that a second end of the movable board has a first position and a second position. In the first position, the second end of the movable board is far away from the fixed board, and a top surface of the movable board is substantially flush with a top surface of the fixed board. In the second position, at least a part of the movable board overlaps with the fixed board in a thickness direction of the fixed board. The limiting assembly is used to limit the movable board in the first position or the second position. The driving assembly is coupled to the movable board to drive the movable board to rotate relative to the fixed board.

Abstract: Disclosed are a vehicle step device and a vehicle comprising the vehicle step device. In some embodiments, the vehicle step device includes a mounting frame; a fixed step mounted on the mounting frame; a retractable mechanism mounted to one of the mounting frame and the fixed step; and a retractable step mounted on the retractable mechanism so that the retractable mechanism is configured to drive the retractable step to move between an extended position and a retracted position. In the extended position, at least a part of the retractable step extends outward beyond the fixed step from underneath the fixed step so that the retractable step and the fixed step form two steps, and in the retracted position, the retractable step retracts to a position underneath the fixed step.

Abstract: A vehicle step apparatus comprises a first extending and retracting device comprising a first mounting bracket, a first step bracket, and a first arm assembly configured to drive the first step bracket to move between a first extended position and a first retracted position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move between a second extended position and a second retracted position; a step mounted on the first and second step bracket; a first permanent magnet direct current motor mounted on the first mounting bracket and coupled with the first arm assembly to drive the first arm assembly; and a second permanent magnet direct current motor mounted on the second mounting bracket and coupled with the second arm assembly to drive the second arm assembly.

Abstract: A vehicle step apparatus comprises a first extending and retracting device comprising a first mounting bracket, a first step bracket, and a first arm assembly configured to drive the first step bracket to move between a first extended position and a first retracted position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move between a second extended position and a second retracted position; a step mounted on the first and second step bracket; a first permanent magnet direct current motor mounted on the first mounting bracket and coupled with the first arm assembly to drive the first arm assembly; and a second permanent magnet direct current motor mounted on the second mounting bracket and coupled with the second arm assembly to drive the second arm assembly.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: A step mounting mechanism includes a mounting seat, a drive component, a first connecting rod, a second connecting rod and a step mounting member. The mounting seat is provided with first and second shaft holes. The drive component is connected to a drive shaft. Two ends of the first connecting rod are provided with third and fourth shaft holes. A first sealing shaft sleeve is fitted over the drive shaft, and is at least partially located in the first shaft hole. Two ends of the second connecting rod are provided with fifth and sixth shaft holes, and the second and fifth shaft holes are hinged through a first hinge shaft. The step mounting member is provided with seventh and eighth shaft holes, the fourth and seventh shaft holes are hinged through a second hinge shaft, and the sixth and eighth shaft holes are hinged through a third hinge shaft.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: A vehicle, a running board assembly, and a drive assembly for a running board are disclosed. The drive assembly includes: a mounting base, a first connecting portion, a second connecting portion, and a running board holder. The first connecting portion is rotatably connected with the mounting base and the running board holder. The second connecting portion is rotatably connected with the mounting base and the running board holder. The running board holder includes a third main body and a third hinged portion. The first connecting portion includes a first main body and a plurality of first hinged portions, and the third hinged portion is rotatably connected among the plurality of first hinged portions; and/or the second connecting portion includes a second main body and a plurality of second hinged portions, the third hinged portion being rotatably connected among the plurality of second hinged portions.

Abstract: A management apparatus for a vehicle device, a vehicle and a server are provided. The management apparatus includes: a state determining unit, configured to determine a current state of the vehicle device; a first communication module, configured to transmit the current state of the vehicle device to at least one of a mobile terminal and a server and to receive a control instruction generated by the at least one of the mobile terminal and the server according to the current state of the vehicle device; and a controller, configured to control an action-executing unit of the vehicle device according to the control instruction to drive the vehicle device to execute an action.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.

Abstract: Disclosed are a winch, a rope guide, and a transmission device having a clutch function. The winch includes a base seat, a reel, a rope guide, a transmission assembly, and a motor. The reel is rotatably provided to the base seat. The rope guide is provided to the base seat. The transmission assembly is connected with the rope guide. The motor is connected with the reel to drive the reel to rotate, and the motor drives the rope guide through the transmission assembly. In the winch according to embodiments of the present disclosure, the rope guide is an active rope guide, bringing about a good rope guiding effect. Moreover, the reel and the rope guide are driven by the same motor, which reduces the number of components and parts, simplifies the structure and control, and lowers costs.