Vehicle seat

Abstract

The utility model provides a vehicle seat which restrains the damage of side air bag during the installation of backrest plate in the assembly of vehicle seat. The side air bag (28) is accommodated in the side edge part of seat backrest (14). On the face (20a) of the inner side of the prescribed backrest plate (20) of the back of seat backrest (14), a push-in protruding part (34) is arranged which protrudes from the face (20a) towards the front. The push-in protruding part (34) pushes the rear surface of the folded base cloth (32) of side air bag (28), so as to leave a distance between the base cloth (32) and the side cover part (21) of backrest plate (20). In the installation of backrest plate (20), the friction of base cloth (32) caused by side cover part (21) is restrained.

Description

Technical Field

[0001] This utility model relates to a vehicle seat, and more particularly to the structure of the vehicle seat. Background Technology

[0002] A vehicle seat is known to house a side airbag at the side edge of the seat back. Patent Document 1 below shows a vehicle seat (10) in which an airbag device (20) is housed at the side edge of the seat back (14). The airbag device (20) is disposed in the space between the backrest cushion (32) forming the seat back (14) on the occupant side and the backrest panel (34) forming the back of the seat back (14). Note that the symbols in parentheses above are those used in Patent Document 1 below and are not related to the symbols used in the description of the embodiments in this application.

[0003] Prior art literature

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 2012-192803 Utility Model Content

[0006] The problem to be solved by the utility model

[0007] In the assembly of vehicle seats, when the backrest is installed after the airbag is mounted on the seat frame, there is a possibility that the backrest may rub against the airbag, especially its base fabric, causing damage to the base fabric. In particular, if the seat back is made thinner, the distance between the airbag and the backrest will be shortened, thus increasing the possibility of damage to the base fabric.

[0008] The purpose of this invention is to suppress airbag damage during the installation of the backrest panel in a vehicle seat.

[0009] Methods for solving problems

[0010] The vehicle seat of this utility model is characterized by comprising: a seat back; a side airbag housed within the side edge of the seat back; and a backrest panel that defines the back of the seat back and has a protrusion that protrudes from the inner side of the backrest panel and pushes against the rear surface of the side airbag to create a gap between the side airbag and the backrest panel.

[0011] Utility Model Effect

[0012] The protrusions on the backrest ensure a safe distance between the side airbag and the backrest, thus preventing damage to the side airbag during installation. Attached Figure Description

[0013] Figure 1 This is a three-dimensional view showing the rear of a vehicle seat.

[0014] Figure 2 A diagram illustrating the side view of a vehicle seat.

[0015] Figure 3 A diagram showing the cross-section of the side edge of the seat back, particularly the side support. Detailed Implementation

[0016] The embodiments of this utility model will now be described with reference to the accompanying drawings. Figure 1 This indicates the position of the vehicle seat 10 as viewed from a rearward angle. In the following description, unless otherwise specified, statements indicating relative positions (front, back, left, right, up, down, etc.) and orientations refer to the position and orientation of the occupant seated on the vehicle seat 10. In the accompanying drawings, arrow FR indicates forward, arrow UP indicates upward, and arrow LH indicates left. Furthermore, in the left-right direction of the vehicle seat 10, the side closer to the center of the seat is designated as the inner side in the width direction, and the side further away is designated as the outer side in the width direction. In the accompanying drawings, arrow OUT indicates the outer side in the width direction.

[0017] The vehicle seat 10 includes a seat cushion 12 that supports the buttocks and thighs of the occupant from below, a seat back 14 that supports the upper body from behind, and a headrest 16 located behind the head. The seat back 14 includes side supports 18, which are provided at the side edges of the seat back 14 to support the occupant from the side. The rear surface of the seat back 14 is defined by a resin backrest panel 20. The backrest panel 20 extends forward from the rear to the side at the left and right side edges, thereby covering a portion of the outer side of the seat back 14 in the width direction. The portion of the backrest panel 20 that covers the outer side of the seat back 14 in the width direction is referred to as a side cover portion 21.

[0018] Figure 2 The diagram is intended to schematically show the side view of the vehicle seat 10. Figure 3 For based on Figure 2The diagram shows a cross-section along line AA, particularly a sectional view of the side support 18 portion of the seat back 14. The seat back 14 includes: a backrest frame 22, which forms the skeleton of the seat back 14; a backrest cushion 24, which is a cushioning material disposed on the front surface of the backrest frame 22; and a backrest panel 20, which is disposed to cover the rear surface of the backrest cushion 24 and the backrest frame 22 from the rear. The front surface and sides of the backrest cushion 24 are covered by a backrest cushion cover 26. The backrest cushion cover 26 may be made of fabric. Furthermore, the backrest panel 20 extends forward to cover the outer side of the side support 18 in the width direction. The backrest cushion 24 is made of polyurethane foam, and the backrest panel 20 is made of resin.

[0019] A side airbag 28 is housed at the side edge of the seat back 14. The side airbag 28 may be positioned only at the side edge of the seat back 14 near the door, or it may be positioned at the side edges on both sides. The side airbag 28 includes an inflator 30 that generates gas upon a vehicle collision, and a bag-shaped base fabric 32 that inflates with the generated gas. The base fabric 32 is housed in the seat back 14 in a folded state and expands out of the seat back 14 and unfolds to the side of the seated person upon inflation.

[0020] When assembling the seat back 14, the side airbags 28 are installed relative to the backrest frame 22 after the backrest cushion 24 is installed, and then the backrest panel 20 is installed. During the installation of the backrest panel 20, if the backrest panel 20, especially its side cover 21, rubs against the base fabric 32, there is a possibility that the base fabric 32 may be damaged. Therefore, a pushing protrusion 34 is provided on the backrest panel 20 to push in the side airbags 28, especially the folded base fabric 32. The pushing protrusion 34 is provided in such a way that it protrudes forward from the inner side surface 20a of the backrest panel 20, which is the interior side of the vehicle seat 10. Furthermore, the pushing protrusion 34 can be provided in such a way that it pushes a portion of the rear surface of the base fabric 32 in the vertical direction. For example, like... Figure 2 As shown, the push-in protrusion 34 can be provided for the portion of the base fabric 32 that is housed within the side support 18. The push-in protrusion 34 can be integrally formed with the backrest panel 20.

[0021] The front end of the push-in protrusion 34 presses against the rear surface of the base fabric 32, thereby creating space between the base fabric 32 and the inner surface 21a of the side cover 21 of the vehicle seat 10. This prevents the inner surface 21a of the side cover 21 from rubbing against the base fabric 32 when installing the backrest 20. Since the folded base fabric 32 deforms, without the push-in protrusion 34, it would appear as if... Figure 3As indicated by the dashed line (symbol 32B), the base fabric 32 is sometimes located relatively close to the backrest 20. Considering this, the side cover portion 21 of the backrest 20 needs to be positioned outwards in the width direction, as indicated by the dashed line (symbol 21B), to avoid contact with the base fabric 32. By providing the push-in protrusion 34, the distance between the base fabric 32 and the side cover portion 21 is created, allowing the side cover portion 21 to be positioned inwards in the width direction, thereby enabling a thinner seat backrest 14.

[0022] Symbol Explanation

[0023] 10…Vehicle seat; 12…Seat cushion; 14…Seat back; 18…Side support; 20…Backrest panel; 21…Side cover; 22…Backrest frame; 24…Backrest pad; 28…Side airbag; 32…Base fabric; 34…Push-in protrusion.

Claims

1. A vehicle seat, characterized in that, include: Seat backrest; The side airbags are housed within the side edge of the seat back. A backrest panel, which defines the back of a seat back, has a protrusion that protrudes from the inner side of the backrest panel and pushes against the rear surface of the side airbag to create space between the side airbag and the backrest panel.

Images