Safety seat of automotive vehicle
A technology for safety seats and motor vehicles, which is applied to vehicle seats, vehicle parts, special positions of vehicles, etc., and can solve problems such as being unable to turn forward, and achieve the effects of avoiding collisions and reducing injuries
Inactive Publication Date: 2013-06-05
JIANGSU UNIV
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Problems solved by technology
The seat headrest of a motor vehicle is fixed relative to the seat frame and cannot be rotated forward
Method used
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[0010] Such as figure 1 As shown, the motor vehicle seat of the present invention comprises a headrest 1, a headrest guide sleeve 2, a seat frame 9, and the seat frame 9 has left and right side beams and an upper beam, and the headrest is directly above the seat frame 9. 1. The headrest 1 is inserted into the headrest guide sleeve 2 through the headrest guide rod 10, which is convenient for adjusting the height of the headrest 1.
[0011] At the bottom of the headrest guide sleeve 2 and between the left and right side beams of the seat frame 9, an upper circular shaft 4 and a lower circular shaft 7 are horizontally installed, and the upper circular shaft 4 is positioned above the lower circular shaft 7. 9 upper positions, the lower circular shaft 7 is located at the lower position of the seat frame 9.
[0012] The upper part of the swing arm 5 is fixedly connected to the lower part of the headrest guide sleeve 2 through the connecting plate 3, the middle part of the swing arm...
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The invention discloses a safety seat of an automotive vehicle. The safety seat of the automotive vehicle comprises a headrest, a headrest guide sleeve and a seat framework, wherein the headrest is arranged over the seat framework, the headrest is inserted in the headrest guide sleeve through the headrest guide sleeve, an upper circular shaft and a lower circular shaft are arranged at the lower portion of the headrest guide sleeve and crosswise arranged between a left side beam and a right side beam of the seat framework, the upper portion of a swing arm is fixedly connected with the lower portion of the headrest guide sleeve through a connecting plate, the middle of the swing arm is sleeved on the upper circular shaft in an interval mode, the lower portion of the swing arm is sleeved in the middle position of a drive connecting rod in an interval mode, two ends of the drive connecting rod both extend upwards, and the lower circular shaft is sleeved on the two ends of the drive connecting rod, a pressure plate which is fixedly connected with the drive connecting rod is arranged below the lower portion of the lower circular shaft, and the height of the pressure plate is equal to the height of knees of legs of a passenger at back row. When front impact happens on the automotive vehicle, the knee parts of leg parts of the passenger at back row are impacted to a back of a seat at front row. By the adoption of the function of a force transmission of the drive connecting rod and the swing arm, the headrest at the front row is enabled to rotate at a corresponding angle to prevent the head of the passenger at the back row from impacting the headrest of the seat at the front row.
Description
technical field [0001] The invention belongs to the field of passenger protection in motor vehicle safety devices, in particular to a motor vehicle safety seat for protecting the safety of rear passengers when the motor vehicle collides with the front. Background technique [0002] The seat belt wearing rate of the rear passengers of motor vehicles is low, resulting in a high fatality rate of the rear passengers in the event of a collision. In a frontal collision of a motor vehicle, the rear passengers move forward under the action of inertial force, and the heads of the rear passengers often hit the headrests of the front seats, so that the head, neck and other parts of the rear passengers are injured. varying degrees of injury. The seat headrest of a motor vehicle is fixed relative to the seat frame and cannot be rotated forward. If the headrests of the front seats can be moved forward when the motor vehicle collides, the heads of the rear passengers can be avoided from ...
Claims
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IPC IPC(8): B60N2/48
Inventor 葛如海赵飞洪亮陆子波
Owner JIANGSU UNIV