36 results about "Whiplash injury" patented technology

An inflatable head restraint device for vehicle is disclosed. An inflatable head restraint device comprising an inflatable air bag, an inflation device, a sensing device, characterized in that the inflatable air bag can be deployed to be a U-shaped cushion for restraining the head and neck and back portion of an occupant, preventing whiplash injury from either rear, front or side impact crash.

A low cost whiplash reduction system for a host vehicle, said host vehicle including a sensor arrangement operable to detect closing velocities of one or more rearwardly approaching objects substantially in a direction of travel of the host vehicle, and a processing arrangement for receiving information from the sensor arrangement indicative of said detected closing velocities, said processing arrangement being operable to actuate adaptive safety features in response to detected velocities of detected rearwardly approaching objects to the host vehicle to automatically selectively apply said adaptive safety features in response to said information received from the sensor arrangement for avoiding or mitigating host vehicle occupant neck whiplash injury occasioned by a crash of the rearwardly approaching object and the host vehicle

The invention relates to an automobile safety device with active and passive characteristics and belongs to the field of traffic safety equipment. In the safety device, a safety belt tightening device is arranged at a headrest; an exposed end of the safety belt is connected with a safety helmet through a latch and a pin; an electromagnet and a brake mechanism which is controlled by an electromagnet coil are additionally arranged on the safety belt tightening device; an electromagnetic sensor is arranged at a safety belt reel of the safety belt tightening device and is connected to an input end of a microcomputer through a signal wire; and the output of the microcomputer is connected with an automotive engine rotating speed electric control mechanism, a brake electric control mechanism and the electromagnet coil of the safety belt tightening device. The safety device can replace an air bag, timely discover behavior disorder of a driver, timely prompt or brake, protect head safety of the driver and other passengers and prevent cervical vertebra of the driver and other passengers from being subjected to whiplash injury during an accident, and is low in cost and high in reliability.

A headrest for alleviating whiplash injury and comprising at least one support member which is uprightly fixed to a seat and a cushioning member of polyurethane foam attached to said at least one support member and enclosed in a covering material is disclosed, wherein the polyurethane foam is one having the following properties: A) A density within the range of 50 to 100 kg / m3; B) a compressive strength between 0.9 and 3.5 mN / mm2 at 25% deformation and between 1.3 and 4.5 mN / mm2 at 40% deformation; C) a glass transition temperature, Tg (DSC), between −10° C. and +10° C., preferably −5° C. to +4° C.; D) a loss temperature peak maximum between 15 and 30° C.; E) a temperature range for the loss peak between −40° C. and +90° C.; and F) a loss peak area between 4.0 and 8.0.

The invention relates to a functional seat headrest and discloses a simple, rapid and effective protection measure for preventing cervical vertebra whiplash injuries. Specifically, the headrest is mainly composed of a movable headrest body, a supporting headrest body and a trigger connecting rod mechanism. The movable headrest body can rotate relative to the supporting headrest body, and the supporting headrest body is fixed to a seat back through a supporting frame. The movable headrest body is hinged to the trigger connecting rod mechanism through a connecting rod and is mainly used for preventing the cervical vertebra whiplash injuries. The supporting headrest body is used for supporting the movable headrest body, and a protruding neck-rest part is arranged on the lower front portion of the supporting headrest body and used for supporting parts under head occipital bones and preventing cervical vertebra fatigue damages. The cervical vertebra protection measure is achieved through inertia triggering; and meanwhile, the protruding neck-rest part used for supporting necks is added to the headrest, heads of passengers are effectively supported, and cervical vertebra fatigue damages are reduced, so that riding comfortableness of the vehicle passengers is improved.

A seat component to prevent whiplash injury during a rapid motion change of a vehicle comprises means allowing a displacement of the seat and a person sitting thereon backwards (22) in relation to the direction of movement at the motion change. These means comprise a body (11, 18) to be affixed to or being part of the seat, a slide element (16) affixed to the vehicle and being in guiding contact with said body to guide a translational displacement of the seat over a predetermined distance. It further comprises a trigger system (13) to detect a acceleration threshold, a release mechanism (14) controlled through the trigger system (13) to enable said translational displacement (22) and a damping component (17) to damp said translational displacement (22). The trigger system (13) opens the release mechanism (14) only upon detection of an acceleration value above a predetermined threshold. The NIC experienced when using a conventional seat can be reduced by 40% if said seat is equipped with the device according to the invention.

The invention relates to a headrest (10) for a vehicle seat, in particular for a vehicle seat back, said headrest essentially comprising a headrest frame or headrest box (14) and surrounding the headrest frame or headrest Foam matrix (36) of the box (14). In the event of a rear-end impact of the vehicle, the head restraint remains fixed relative to the backrest (conventional head restraint), or at least part of the head restraint is immediately moved toward the vehicle occupants (activated head restraint). According to the present invention, in order to reduce or offset the torque (My) of the cervical region about the y-axis (y-y) and prevent accidental injuries to seat passengers, in particular to prevent cervical syndrome and / or front and / or rear In case of whiplash-like injury at the moment of impact, the head of the vehicle passenger can contact the head restraint (10) at at least two different heights (k1z, k2z) (two-point support). The head center of gravity (HCG) is also formed between these two heights (k1z, k2z) of the headrest (10).

The invention relates to a spinal injury rehabilitation training and protection suit. The spinal injury rehabilitation training and protection suit consists of a forehead restraint strap, a lower jaw support, a head supporting plate, straps, a spine plate, a waist restraint strap, a lower limb fixator and a standing rest device. The spinal injury rehabilitation training and protection suit has the advantages that the suit is suitable for correction of sitting and standing postures of primary and secondary school students, protection of VR game players, training and exercise protection, postoperative rehabilitation training of patients undergoing spinal operations and suitable for persons needing to strengthen back / abdominal muscles (white-collar workers / drivers and other persons sitting for a long time, having no time to exercise and accordingly suffering from waist and back ache and neck ache), prevents whiplash injury of the spines of drivers and passengers during emergency braking, prevents the spines of firemen or miners from being injured by falling crashing heavy object during fire fighting or mining, rapidly fixes the wounded suffering from spinal injury and the like. The spinal injury rehabilitation training and protection suit is provided with the standing rest device can be used for an exercising or outdoor user to have a rest at an approximate standing posture.

The invention discloses a protection device for preventing head and neck injury and a method for using the protection device. The protection device comprises a guard and a connecting band I (1), and is characterized in that the rear side of the guard is connected with the connecting band I (1); the other end of the connecting band I (1) is connected with a motor vehicle safety belt (2) through a guide locking device. According to the protection device for preventing the head and neck injury and the method for using the protection device, the guard, the connecting band and a connecting structure of the guard and the connecting band are creatively combined, so that the protection device is good in degree of freedom, low in fatigue rate, high in safety performance and synchronous with the safety belt, the head and the neck of a user can be prevented from being scratched, and can be effectively protected under the conditions of acceleration, deceleration and turning of a motor vehicle, the head and cervical vertebrae can be prevented from being dislocated, and whiplash injury to the user is reduced or counteracted.

The invention relates to an active headrest with a hinge structure, which comprises a front cover of the headrest and a rear cover of the headrest. The middle upper part of the front cover of the headrest and the rear cover of the headrest is equipped with a hinge ejection system; A pole fixing and activating system is provided under the ejection system; a rack locking system is provided between the hinge ejection system and the pole fixing and activating system; the pole fixing and activating system is composed of a pole and a cable; The cable is located between the seat back and the hinge ejection system; the strut is fixed on the seat frame; the rack locking system is composed of a fixed rack and a movable rack; the The headrest front cover is made of energy-absorbing material. The invention makes it possible for the active headrest to instantly rise and tilt forward in order to protect the head when the passenger car collides, and the distance between the occupant's head and the headrest is reduced at the moment of collision, thereby greatly reducing the The turning angle of the head of the small occupant reduces or eliminates whiplash on the occupant's neck.

A vehicle seat may include a protrusion member installed to a lower portion of a back frame inside a seatback to protrude forward and to absorb an impact on the hips of an occupant upon a vehicle collision, wherein a lower portion of the seatback, which has a protrusion shape due to the protrusion member, induces a sitting posture of the occupant to be modified when the occupant sits down on the vehicle seat, thereby reducing a gap between a head of the occupant and a headrest in a state that the hips of the occupant moves forward.

The invention discloses an automobile chair backrest spring and an automobile chair backrest capable of reducing whiplash injuries. The automobile chair backrest spring is provided with a main backrest spring body and a plurality of connecting parts, wherein each connecting part is fixedly connected to the main backrest spring body through an extension spring; moreover, by adopting the extension springs with corresponding performance, when the main backrest spring body is fixedly connected to an automobile chair backrest frame through all the connecting parts, each extension spring is in an elastic extension deformation state, and when an automobile which adopts the automobile chair backrest spring receives instantaneous acceleration due to rear collision with the relative speed of 20km / hor more, each extension spring gets into a plastic deformation state. Under the premise that suitable elasticity and enough support can be provided for the back of a passenger as the automobile normally runs, the automobile chair backrest spring and the automobile chair backrest reduce whiplash injuries of the neck of the passenger in the process of medium-or-low-speed rear collision, increases the safety of an automobile chair in collision; and have the advantages of simple structure and low cost and practical application value.

The invention provides an anti-whiplash protector for automobiles, which includes a controller,a collision detection unit connected with the controller and arranged on the tail of the automobiles, an airbag arranged on the pillow. The airbag is connected with an inflator. The inflator is connected with the controller, and includes the vehicle speed detection unit connected with the controller, and an airbag regulating mechanism which can adjust airbag expansion strength arranged on the airbag and connected with the controller, corresponded to the detection signal of the vehicle speed detection unit. The anti-whiplash protector for automobiles and control method same and automobiles also provide a controller method for anti-whiplash protector and an automobile provided with the anti-whiplash protector. The Anti-whiplash protector for automobile can make the airbag swell and support the heads of passengers when the car hits the rear of another car, which avoids happening on whiplash injury. Meanwhile, the anti-whiplash protector for automobile further can adjust the swelling strength of the airbag, and improve the comfort.

The invention discloses a using method of an active headrest for protecting safety of the neck of an automobile passenger. The using method includes the following steps that firstly, a control module electrically connected with an air cylinder is directly communicated with an automobile active safety system; when the distance between a vehicle located behind an automobile and the automobile is within a dangerous value range, the control module directly transmits a command to the air cylinder, the output end of the air cylinder stretches out, and a head plate is driven to move forwards, so that the supporting part of the headrest gets close to the head of the passenger, the backward movement, relative to the upper trunk, of the head is limited in advance when rear-end collision happens, it is avoided that the air cylinder is not started in time when the collision happens, and consequently whiplash injuries are caused; and when the distance between the vehicle located behind the automobile and the automobile is within a safe value range, the control module directly controls the air cylinder to retract back, in other words, the output end of the air cylinder drives the head plate to move backwards, and the head of the passenger and the supporting part of the headrest can reset. No manual operation is needed, and synchronization of headrest protection and the automobile safety system is achieved.

The invention relates to a sliding chair capable of preventing a whiplash injury through self-adaptation in a rear-end collision and belongs to the technical field of vehicle active safety. According to the sliding chair, horizontally-moving energy-absorption mechanisms are installed at the two sides below the chair and each horizontally-moving energy-absorption mechanism can provide different constraint platform forces through the methods that a cylindroid capable of rotating is arranged and an energy-absorption steel disc is in contact with a semi-arc face, with the long axis of the cylindroid serving as the boundary, of the cylindroid or in contact with a semi-arc face, with the short axis of the cylindroid serving as the boundary, of the cylindroid, so that the requirement that the sliding chair is suitable for different types of rear-end collision conditions is satisfied and the large constraint platform force is provided for the high-speed rear-end collision. According to the sliding chair, the chair is prevented from sliding forwards and protection is achieved in the secondary collision. Meanwhile, the sliding chair is simple in structure, high in mechanical efficiency, remarkable in protection effect and good in application prospect.

The invention relates to a vehicle seat, a vehicle seat control system and a vehicle. The vehicle seat comprises a seat backrest and a headrest arranged above the seat backrest. The vehicle seat further comprises a fixing part, a slider-crank mechanism arranged on the fixing part, and a driving part used for driving a slider in the slider-crank mechanism to move up and down. The headrest is connected to a crank or a connecting rod in the slider-crank mechanism, and the up-down movement of the slider can be converted into the rotation of the crank or the connecting rod so as to drive the headrest to move back and forth at the same height. When rear-end collision accident occurs, the driving part drives the headrest to automatically move forwards. The distance between the headrest and the head of the passenger is adjusted, the head of the passenger is supported, serious whiplash injury to the neck of the passenger is avoided, and after a danger signal is removed, the headrest can returnunder the driving of the driving part or under the action of the gravity of the headrest and the head of the passenger on the headrest, so that the headrest returns to the initial position. The headrest moves back and forth at the same height, so that the head of a passenger can be effectively supported.

The invention provides an automobile seat headrest rear-impact protection system, and relates to the field of electric automobiles. The automobile seat headrest rear-impact protection system comprisesa signal acquisition module, a logic judgment module, a control module and a headrest adjusting module. The signal acquisition module is used for acquiring the running information of the automobile and generating an electric signal representing the running information of the automobile and sending the electric signal to the logic judgment module; the logic judgment module receives the electric signal sent by the signal acquisition module, judges the probability coefficient of the rear impact of the automobile, and generates an electric signal representing the probability coefficient of the rear impact of the automobile and sends the electric signal to the control module; the control module is used for receiving the electric signal sent by the logic judgment module and generating a headrest adjusting signal and sending the headrest adjusting signal to the headrest adjusting module; the headrest adjusting module is used for receiving the headrest adjusting signal and executing the headrest adjusting action. According to the automobile seat headrest rear-impact protection system and the automobile, the structure is simple, the probability coefficient of rear impact of the automobileis logically judged through data monitoring of automobile running, the position of the headrest is adjusted in advance, and the whiplash injury on the neck of a passenger during rear impact is reduced.

The invention relates to a method and system for controlling an active headrest in rear-end collision and a vehicle, which relate to the technical field of vehicle safety. The method comprises the following steps of judging whether each seat meets a headrest starting condition or not according to the state of a passenger on each seat in the vehicle, judging whether a rear-end collision hidden danger exists or not according to the motion parameters of the rear coming vehicle, and if judging that the rear-end collision hidden danger exists, controlling the seat headrest meeting the headrest starting condition to move to the set safety position. According to the embodiment of the invention, whether the rear-end collision of the rear coming vehicle occurs can be predicted, the active headrest is controlled to the set safe position in advance, and the whiplash injury of the headrest to the passenger in the rear-end collision accident is effectively reduced.

The invention discloses an anti-whiplash mechanism of an automobile seat. The anti-whiplash mechanism comprises a control module, an air pump, a waist support air bag, a headrest air bag, hollow headrest rods and a rear collision detection sensor. The control module is arranged in a vehicle body center control large screen, and the air pump and the waist support air bag are installed in a seat backrest; the air pump is connected with the waist support air bag through a first air pipe; the headrest air bag is mounted in the seat headrest; the headrest air bag is connected with the air pump through a second air pipe; the waist support air bag is connected with the headrest air bag through a third air pipe; two hollow headrest rods are respectively arranged on two sides of the lower part of the seat headrest; the seat headrest is mounted at the top of the seat backrest through the hollow headrest rods; and the rear collision detection sensor is arranged at the tail part of the automobile and is connected with the control module. When rear-end collision happens to the automobile, the headrest air bag is rapidly inflated, the distance between the head and the headrest is reduced, and then the harm of whiplash injury is reduced.

The invention belongs to the field of vehicles and provides a whiplash injury prevention seat device and a vehicle. The seat device comprises a seat backrest frame, a seat cushion and force limiting components. The seat backrest frame is fixedly connected with a seat backrest of the vehicle and is provided with a seat cushion rotationally connected to the vehicle. One side of each force limiting component is connected with the seat cushion, and the other side of each force limiting component is connected with the seat backrest frame. The force limiting components limit rotation of the seat backrest frame relative to the seat cushion when collision force applied to the seat backrest is smaller than a threshold; when the collision force applied to the seat backrest is larger than or equal tothe threshold, connection portions of the force limiting components and the seat backrest frame are torn relative to other portions of the force limiting components, and tail ends of the torn portions are still connected with other portions. The whiplash injury prevention seat device is evident in passenger protecting effect.

The invention relates to an intelligent sliding seat capable of preventing a whiplash injury. When a rear-end colliding accident happens, sliding guide rails on the sliding seat slide backwards, traction blocks are made to slide backwards, so that squeezing action is generated to speed limiting blocks by the traction blocks, elastic pieces are then squeezed to absorb energy, and thus stable backward sliding of the seat is achieved to protect the neck of a passenger against the injury. Meanwhile, the sliding seat can adapt to working conditions of various rear-end collision speeds by setting the elastic coefficients of the energy absorption elastic pieces. On the other hand, the sliding seat is further provided with energy absorption steel discs for energy absorption. Large restraint platform force can be provided for the seat when rear-end collision occurs through the energy absorption of the two modes.

The invention discloses a headrest adjusting structure capable of preventing a whiplash injury of a passenger. The headrest adjusting structure comprises a cylinder, a control module and a frame; the frame is fixed within the headrest; an output end of the cylinder is connected with one end of an adjusting rod and the other end of the adjusting rod is connected with a head plate; the adjusting rod is mounted on an end portion of the cylinder; a coaxial fixed block is mounted on the adjusting rod; two connecting rods B are symmetrically arranged in an axis of the adjusting rod on an end face of one side, directly facing the head plate, of the fixed block; the free ends of the connecting rods B are hinged to one end of a connecting rod A and a connecting rod C, respectively; the other end of the connecting rod A is hinged to the bottom of the head plate, while the other end of the connecting rod C is hinged to a sidewall of the frame. When a distance of a vehicle behind the present automobile to the present automobile is within a safe value range, the control module directly controls the cylinder to retract and the adjusting rod drives the head plate to move backwards so that the head of a passenger and a supporting portion of the head rest return, and therefore, no manual operation is required, synchronization of headrest protection and an automobile safety system is realized; furthermore, a reliability coefficient of automobile driving safety is enhanced.

The safety helmet comprises a helmet shell and wind shielding goggles, a storage groove for storing the safety air bag is formed in the lower portion of the rear neck position of the helmet shell, thebuffering safety air bag is installed in the storage groove, the safety air bag is communicated with an air generator, and the air generator is connected with the wind shielding goggles. The gas generator is arranged on the helmet shell, a collision sensor and a safety air bag control module are arranged on the helmet shell, and the collision sensor is electrically connected to the safety air bagcontrol module. The automobile airbag is reasonable in design, on the basis of reducing the injury condition of whiplash injury caused by neck displacement due to rear-end collision or other collisions, the occupied space of the airbag is small, and the automobile airbag is convenient to produce and manufacture and more beneficial to use of a user.

The invention discloses a lumbar support control method which comprises the following steps S1, when collision occurs, enabling a collision sensor to generate a collision signal and transmit the collision signal to an airbag controller; S2, judging whether rear collision occurs or not by the air bag controller, if not, not withdrawing the lumbar support, and if the rear collision occurs, transmitting a signal to the motor controller by the air bag controller; and S3, enabling a motor controller to issue a driving instruction to the lumbar support motor, so that the action of retracting the lumbar support is realized. According to the scheme, whiplash injuries to passengers during rear collision are reduced, and the safety performance of the whole automobile is improved; according to the scheme, whiplash injuries to passengers during rear collision are reduced, and the safety of the whole automobile is improved.

The invention discloses a measuring device for the contact time of a dummy head and a headrest, wherein the measuring device is commonly used in crash test data acquisition equipment and is simple in structure and high in reliability. The measuring device comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a conductive material 1, a conductive material 2 and connecting wires between the elements, wherein the resistor R1, the resistor R2, the resistor R3 and the resistor R4 form a Wheatstone bridge and are equal in resistance value, the resistor R5 is used for changing the resistance value of a bridge arm, and the conductive material 1 and the conductive material 2 play roles of switches. The measuring device is used for the automobile crash test data acquisition equipment commonly.