JP2013043452A - Head rest frame for use in headrest of automobile seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely prevent injury of a head of an occupant by preventing a head rest from coming off from a seat back, when shock is received from a front side in an automobile collision accident, and in addition, to improve productivity and reduce cost by simplifying structure.SOLUTION: A head rest frame includes: a frame top 11 extending to right and left; right and left frame sides 12 and 12 which are continuously bent integrally with right and left ends of the frame top 11 and extend downward, and which are continuously bent in the L shape in a reverse direction from a middle part to a bottom end, and tilted backward from the middle part of the L shape to the frame top 11; and right and left stays 13 and 13 which are continuously integrated in association with the bottom ends of the right and left frame sides 12 and 12 with the stay axes 14 positioned at a rear side of the frame top 11.

Description

  The present invention relates to a headrest frame used for a headrest of an automobile seat. More specifically, when a headrest used for a rear seat of an automobile receives an impact from the front, the headrest is prevented from coming off from a seat back mounting position. The improvement of the headrest frame.

  Headrests used in automobile seats are used to prevent and reduce head injury of the passenger by receiving the passenger's head in the event of a car collision and limiting the rearward movement of the passenger's head while absorbing the impact. However, in the case of a normal headrest, when it receives an impact from the front, the impact, that is, the input is transmitted in the upward or horizontal direction of the seat back, so the seat back is attached to support the headrest. There was a risk that the headrest would be lifted up at the location, thereby detaching the headrest from the seat back mounting location.

  JP 2010-76634 A

  The object of the present invention is to prevent the headrest from coming off from the seat back when a shock is applied from the front in the event of an automobile collision, thereby reliably preventing or reducing the head injury of the occupant, and in addition to simplifying the structure. The object is to provide a headrest frame used for a headrest of an automobile seat, which is superior in productivity and cost reduction.

  The headrest frame used for the headrest of the automobile seat according to the present invention includes a frame top that extends in the left-right direction, and is continuously bent to the left and right ends of the frame top so as to extend downward, and from the middle to the lower end is reversed. The left and right frame sides that are continuously bent in the L direction and tilted backward from the middle to the top of the frame, and the lower ends of the left and right frame sides are integrally connected, and the frame -Includes left and right stays that place the stay axis behind the top.

  In the headrest frame used for the headrest of the automobile seat according to the present invention, the left and right frame sides are continuously bent integrally with the left and right ends of the frame top and extend downward, and two continuous from the middle to the lower end. In the event of a car crash, when the vehicle is subjected to an impact from the front due to the L-bending in the opposite direction and the rear-tilt from the middle to the frame top, the impact entering the headrest from the front, that is, part of the input is below It is converted into force, and the seat back is led to a state where it is difficult to lift, the headrest is prevented from coming off from the seat back, the head injury of the occupant is reliably prevented and reduced, and the structure is Simplified and excellent in productivity and cost reduction.

It is the side view which showed the specific example of the headrest frame used for the headrest of the motor vehicle seat of this invention utilized for the rear seat of a passenger car.

  The headrest frame used for the headrest of the automobile seat according to the present invention includes a frame top that extends in the left-right direction, and is continuously bent to the left and right ends of the frame top so as to extend downward, and from the middle to the lower end is reversed. The left and right frame sides that are continuously bent in the L direction and tilted backward from the middle to the top of the frame, and the lower ends of the left and right frame sides are integrally connected, and the frame -Includes left and right stays that place the stay axis behind the top.

  And in the headrest frame used for the headrest of the automobile seat of the present invention, when the headrest receives an impact from the front, the left and right frame sides convert the impact, that is, a part of the input into a downward force. Set to tilt backward. That is, the left and right frame sides are bent and formed into two consecutive opposite directions, L-bending frame side-ends, from the middle to the lower end and back to the frame top. The structure that tilts backward is adopted. In other words, the left and right frame sides are bent into two opposite L-bending composite frame side ends from the middle to the bottom edge, and from the middle to the frame top The structure that tilts backward is adopted.

Hereinafter, a headrest frame used for a headrest of an automobile seat according to the present invention will be described based on a specific example specified and illustrated. FIG. 1 is used for left and right headrests 50 and 50 of a rear seat 30 of a passenger car. 10 shows a specific example 10 of a headrest frame used for a headrest of an automobile seat according to the present invention, and its rear seat 30 is a bench-type seat cushion (not shown), which can be moved forward to the seat cushion. The left and right seat backs 31 and 32 supported by the right and left and the left and right seat backs 31 and 32 are detachably attached to the left and right headrests 50 and 50, and the passenger car with the seat cushion. Installed at the rear of the body floor.

In the rear seat 30, the left and right seat backs 31, 32 assemble the seat back pads 35, 36 to the seat back pipe frames 33, 34, and the seat back pads 35, 36. The trim covers 37 and 38 are covered with the trim covers 37 and 38, and the trim covers 37 and 38 are fixed. Of course, there are used shaping wires 39, 40, 41, etc. to determine the shape of the seat backs 31, 32.
Further, in the rear seat 30, the left and right seat backs 31 and 32 are welded with headrest brackets (not shown) to the frame tops 42 of the seat back pipe frames 33 and 34. The left and right stay guides 43, 43 are welded to the headrest bracket so that the left and right stay holders 44, 44 can be inserted, and the headrest 50, 50 The left and right stays 13, 13 are removably inserted into the left and right stay holders 44, 44 and removably attached to the left and right seat backs 31, 32.

  The headrest 50 is assembled by attaching a headrest pad 51 to the headrest frame 10 and covering the headrest pad 51 with a trim cover 52 and fixing it.

The headrest frame 10 is continuously bent from an elongated steel pipe having a predetermined thickness and thickness to a frame top 11, left and right frame sides 12, 12, and left and right stays 13, 13.
More specifically, in the headrest frame 10, that frame. The top 11 extends in the left-right direction, and the left and right frame sides 12 and 13 are continuously bent integrally with the left and right ends of the frame top 11 to extend downward, and reverse from the middle to the lower end. The L is continuously bent in the direction and the frame top 11 is tilted backward from the middle to the frame top 11. Further, the left and right stays 13 and 13 correspond to the lower ends of the left and right frame sides 12 and 12. And the stay axes 14 and 14 are located on the rear side of the frame top 11.

The left and right frame sides 12 and 12 are connected to two continuous reverse L-bending frame side ends 15 from the middle to the lower end thereof in a rearward downward direction, that is, two reverse L-bendings. The composite frame side end 15 is bent and formed, and the frame top 11 is tilted backward from the middle. As such, when the headrest 50 receives the head 22 of the occupant 20 in the collision accident of the passenger car and receives the impact 16 from the front, the headrest frame 10 has one of the impact 16, that is, one of the inputs 16. The head receiving portion is tilted backward so as to change the portion to a downward force 17.

Therefore, in the headrest frame 10, when the headrest 50 receives the head 22 of the occupant 20 in the collision of the passenger car and receives the impact 16 from the front, the impact 16, that is, the input 16. Is changed to a downward force 17. As a result, the seat backs 31 and 32 are led to a state where it is difficult to lift, and the headrest 50 is reliably prevented from being detached from the seat backs 31 and 32, and the head injury of the occupant is reliably prevented and reduced. In addition, the structure is simplified and productivity and cost reduction are achieved.

  As will be apparent from the specific embodiments of the present invention described above with reference to the drawings, for those of ordinary skill in the art to which the present invention pertains, It is easily embodied in another embodiment that derives from the nature and the nature of the invention and is objectively recognized as having them inherent. Of course, the content of the present invention corresponds to the problem of the invention (be recommend with) and is essential for the establishment of the invention.

  As understood from the above, the headrest frame used for the headrest of the seat of the passenger car of the present invention is a frame top that extends in the left-right direction, and is bent continuously and integrally bent at the left and right ends of the frame top. The left and right frame sides, which are continuously bent in the opposite direction from the middle to the lower end and tilted backward from the middle to the frame top, are integrated with the lower ends of the left and right frame sides. In the headrest frame used for the headrest of the automobile seat according to the present invention, the left and right frame sides are included in the headrest frame. It is continuously bent at the left and right ends of the frame top and extends downward, and from the middle to the lower end, 2 In the event of an automobile crash, when the vehicle is subjected to an impact due to a structure in which L is bent in the opposite direction and is tilted backward from the middle to the frame top, the impact entering the headrest from the front, that is, a part of the input Is converted to a downward force, leading to a state in which the seat back is difficult to lift, the headrest from being removed from the seat back is reliably prevented, and the head injury of the occupant is reliably prevented and reduced, in addition The structure is simplified to reduce productivity and cost, and as a result, it is very useful and practical for a headrest of an automobile seat.

10 Headrest Frame 11 Frame Top 12 Left and Right Frame Sides 13 Left and Right Stings 14 Ste Axis 15 Two Consecutive Reverse L-Bend Frame Side Ends / Two Reverse L-Bend Composite Frame Sides End 16 Impact / Input 17 Downward force 18 Upward force 20 Crew 21 Upper body 22 Head 30 Rear seat 31 Left seat back 32 Right seat back 33 Seat back pipe frame 34 Seat back・ Pipe frame 35 Seat back pad 36 Seat back pad 37 Trim cover 38 Trim cover 39 Shaped wire 40 Shaped wire 41 Shaped wire 42 Frame top 43 Left and right stay guide 44 Left and right stay guide 44・ Guide 50 Headrest 51 Headrest pad 52 Trim cover

Claims (2)

  The frame top that extends in the left-right direction, and the frame top that is integrally bent continuously at the left and right ends of the frame top, extends downward, and is continuously bent in the opposite direction L from the middle to the lower end, and the frame from the middle The left and right frames that tilt backward to the top and the left and right frames are connected to the lower ends of the left and right sides, and the left and right frames are positioned on the rear side of the frame top. Headrest frame used for headrests of automobile seats including   The left and right frame sides of the automobile seat according to claim 1, wherein when the headrest receives an impact from the front, the impact, i.e., a rearward tilt that converts a part of the input into a downward force, is set. Headrest frame used for headrest.

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