JP4870049B2 - Seat back pad used for seat back with side air bag - Google Patents

Description

  The present invention relates to a seat back pad used for a seat back with a side air bag, and more specifically, a sheet in which a back side auxiliary material (cloth material or the like) for reinforcement or soundproofing is integrally foamed on the back side. Concerning back pads.

This type of seat back pad usually has a back side auxiliary material set in advance in a mold, and a foamed resin liquid is injected and molded by integral foaming. In addition to being a rejected product as a product, it is difficult to visually check whether the sub-materials are misaligned, and it is troublesome to select a product that is acceptable or rejected.
JP-A-10-81187

  The problem of the present invention is that it is possible to easily determine visually whether or not the terminal position of the secondary material integrally foamed on the back surface of the pad, that is, whether or not the terminal position of the secondary material is within a predetermined allowable range, so The selection of the seat back pad used for the seat back with the side air back that makes it easy and easy to select the acceptable products, and the workability is surely improved and the work reliability is further improved. On offer.

  The present invention comprises a main back pad, and left and right back side pads continuous on both sides of the main back pad, and one of the left and right back side pads has an opening on the back side of the pad. The air bag storage recess for storing the side air bag, and the side air bag inflator is opened to the storage recess at a position aligned with the gas outlet of the inflator and extends into the front wall of the storage recess. And the side pad rupture positioning dent that thins the front wall and ruptures the back side pad, and the back side terminal setting area that dents into the back of the pad at the opening of the side pad rupture positioning dent A front limit mark that sets the front limit position of the pad, and a predetermined allowable range away from the front limit mark mark and placed on the back of the pad. Raised, then a limit Kegakimaku after setting the limit position after the rear surface subsidiary materials terminal setting area and the back side sub-materials are integrally foamed with foam resin solution is set in the pre-mold.

  In this invention, the terminal position of the back side submaterial is determined by the front end marking mark for setting the front end position of the back side secondary material terminal setting area and the back end marking mark for setting the back end position of the back side secondary material terminal setting area. Whether or not it is integrally foamed on the back side of the pad within the allowable range, that is, whether or not the terminal position of the back side secondary material can be easily judged by visual observation, making it easy and easy to select rejected products, and Workability is reliably improved and the certainty of the work is further improved.

  The seat back pad is composed of a main back pad and left and right back side pads continuous on both sides of the main back pad, and one of the left and right back side pads. An air bag storage recess that opens to the back and stores the side air bag, and a front wall of the storage recess that opens to the storage recess at a position aligned with the gas outlet of the inflator of the side air bag Side pad rupture positioning recess that extends inward and thins the front wall to rupture the back side pad, and the back side auxiliary material is recessed into the back of the pad at the opening of the side pad rupture positioning recess The front limit mark that sets the front limit position of the terminal setting area, and the predetermined limit range away from the front limit mark mark The back side material is set up in the mold in advance and integrally foamed with foamed resin liquid. Is done.

  Hereinafter, a seat back pad used for a seat back with a side air bag according to the present invention will be described based on a specific example specified and illustrated. FIGS. 1 to 3 show a passenger seat of a passenger car. 30 shows a specific example 10 of a seat back pad used for a seat back with a side air bag according to the present invention utilized in a seat back 32 with 30 side air bags, and the passenger seat thereof. 30 is assembled with a seat cushion 31, a seat back 32 that is supported by the reclining device so that the seat cushion 31 can be tilted forward and angle-adjustable, and a headrest 33 that is removably attached to the top of the seat back 32. The seat cushion 31 is attached to the seat cushion 31. Is mounted adjustably back and forth in the passenger car floor by the seat track incorporates.

  The seat back 32 includes a seat back frame 34, a seat back pad 10 that is assembled and supported by the seat back frame 34, and the seat back pad 10 that covers the seat back pad 10. A structure in which the side air bag 36 is housed in the back side pad 12 on the left side of the seat back pad 10 is assembled by the skin 35 fixed to the frame 34.

  The seat back pad 10 includes a main back pad 11 and left and right back side pads continuous on both sides of the main back pad 11, and the left and right back side pads One of the pads 12 and 13 is opened to the pad back surface 14 at one of the pads 12 and 13, and is aligned with the air bag storage recess 17 for storing the side air bag 36 and the gas outlet 38 of the inflator 37 of the side air bag 36. Side pad rupture positioning dent 19 that opens into the storage pit 17 at a location, extends into the front wall 18 of the storage pit 17, and thins the front wall 18 to rupture the back side pad 12. And the back side secondary material terminal setting area that is recessed into the back side 14 of the pad at the opening of the side pad rupture positioning recess 19 Front limit markings 26 and 27 for setting front limit positions 22 and 23 of 0 and 21, and a predetermined allowable range away from the front limit markings 26 and 27, and the pad back surface 14 is raised, and the back side auxiliary material And rear limit markings 28 and 29 for setting the rear limit positions 24 and 25 of the terminal setting areas 20 and 21, and the back side auxiliary materials 15 and 16 are set in the mold in advance, and the foamed resin liquid is injected, The product is foamed integrally with the foamed resin liquid.

  The back side auxiliary materials 15 and 16 are made of a reinforcing and soundproofing cloth material having a friction coefficient smaller than that of the seat back pad 10, and the front wall 18 of the storage recess 17 is more Make sure it bursts.

  Therefore, in this seat back pad 10, the front limit markings 26 and 27 for setting the front limit positions 22 and 23 of the back side auxiliary material terminal setting areas 20 and 21 and the back side auxiliary material terminal setting areas 20 and 21. Since the post-limit marking marks 28 and 29 for setting the subsequent limit positions 24 and 25 are provided, if the front limit marking marks 26 and 27 cannot be hidden behind the secondary materials 15 and 16, the terminal positions of the secondary materials 15 and 16 are displayed. If the limit mark marks 28 and 29 are visible after that, whether or not the terminal positions of the auxiliary materials 15 and 16 are integrally foamed on the pad back surface 14 within a predetermined tolerance range, that is, , Whether or not the terminal positions of the auxiliary materials 15 and 16 can be easily determined by visual observation, and it becomes easy and easy to select a rejected product. Work property is definitely improved the reliability of the work is also further improved. Furthermore, since it is sufficient that the seat back pad 10 has the front limit marks 26 and 27 and the subsequent limit marks 28 and 29 added to the back surface 14 of the pad, it is possible to avoid a complicated structure.

  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 this 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 seat back pad used in the seat back with the side air bag according to the present invention includes the main back pad and the left and right continuous on both sides of the main back pad. An air bag storage recess that includes a back side pad and is opened on the back side of one of the left and right back side pads to store the side air bag, and an inflator for the side air bag Side pad rupture positioning that opens into the storage well at the location aligned with the gas outlet of the gas and extends into the front wall of the storage pit, and thins the front wall to rupture the back side pad Indentation on the back of the pad at the opening of the recess and the side pad burst positioning recess. A front end marking mark, and a rear end marking mark that is raised on the back side of the pad away from a predetermined allowable range from the front end marking mark, and sets a rear end position of the back side auxiliary material terminal setting area, Since the back side auxiliary material is set in advance in the mold and integrally foamed with the foamed resin liquid, the back side auxiliary material terminal is used in the seat back pad used for the seat back with the side air bag of the present invention. The terminal position of the back side secondary material is within the predetermined allowable range by the front limit mark that sets the front limit position of the setting area and the back limit mark that sets the back limit position of the back side secondary material terminal setting area. It is easy to visually determine whether or not the back side secondary material is foamed on the back side, that is, whether the back side secondary material is located or not. The selection of quality products is simple and easy, and the workability is surely improved and the workability is further improved. Furthermore, the front and rear limit marks are added to the back of the pad. Therefore, it is sufficient to avoid the complication of the structure and suppress the increase in cost. As a result, it is very useful and practical for the automobile seat.

It is the perspective view which showed the passenger seat of the passenger car which utilizes the specific example of the seat back pad of this invention. It is sectional drawing shown along the 2-2 line of FIG. FIG. 3 is a partially enlarged cross-sectional view showing FIG. 2 partially enlarged.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Main back pad 12 Left back side pad 13 Right back side pad 14 Pad back surface 15 Back side auxiliary material 16 Back side auxiliary material 17 Air bag storage hollow 18 Front wall 19 Side pad burst positioning hollow 20 Back side secondary material terminal setting area 21 Back side secondary material terminal setting area 22 Front limit position 23 Front limit position 24 Rear limit position 25 Rear limit position 26 Front limit marking mark 27 Front marking mark 28 Rear marking mark 29 Rear marking mark 30 Passenger sheet 31 Seat cushion 32 Seat back with side air bag 33 Headrest 34 Seat back frame 35 Skin 36 Side air bag 37 Inflator 38 Gas outlet

Claims (1)

  It consists of a main back pad and left and right back side pads that are continuous on both sides of the main back pad. An air bag storage recess for storing an air bag and an opening in the storage recess at a position aligned with the gas outlet of the inflator of the side airbag, and extending into the front wall of the storage recess; and The front position of the back side secondary material terminal setting area by denting the back side of the pad at the opening of the side pad bursting positioning recess and the side pad bursting positioning recess that thins the front wall and ruptures the back side pad The front limit marking mark is set, and the front limit marking mark leaves the predetermined tolerance and is raised on the back of the pad. The rear side secondary material terminal setting area has a rear end marking mark for setting the rear end position, and the back side secondary material is set in advance in a mold and integrally foamed with foamed resin liquid. Seat back pad used for seat back with air bag.

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