WO2016031287A1 - シートベルトアンカーボルト付近の衝撃吸収構造 - Google Patents
シートベルトアンカーボルト付近の衝撃吸収構造 Download PDFInfo
- Publication number
- WO2016031287A1 WO2016031287A1 PCT/JP2015/060063 JP2015060063W WO2016031287A1 WO 2016031287 A1 WO2016031287 A1 WO 2016031287A1 JP 2015060063 W JP2015060063 W JP 2015060063W WO 2016031287 A1 WO2016031287 A1 WO 2016031287A1
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- WIPO (PCT)
- Prior art keywords
- shock absorbing
- seat belt
- anchor bolt
- vehicle
- belt anchor
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/055—Padded or energy-absorbing fittings, e.g. seat belt anchors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
- B60R22/24—Anchoring devices secured to the side, door, or roof of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
Definitions
- the present invention relates to a structure that absorbs an impact from inside or outside the vehicle in the vicinity of a seat belt anchor bolt for attaching a through ring (means for hanging through a seat belt) to a vehicle body panel.
- the shock absorbing structure of Patent Document 1 is provided with shock absorbing ribs (57a, 57b) on the back surface of the vehicle interior part (7) in the vicinity of the seat belt anchor bolt (22). 57a, 57b) and the head of the seat belt anchor bolt (22) are set to face each other.
- a shock absorbing structure 40 shown in FIG. 3A is conceivable as a structure for absorbing shock in the vicinity of the seat belt anchor bolt.
- the impact absorbing box 5 is crushed so that the impact is absorbed.
- the shock is absorbed from the obliquely downward direction of the shock absorbing box 5 (the direction of arrow R in FIG. 3B) via the vehicle interior part W2.
- the shock absorption box 5 falls in a direction to escape from the seat belt anchor bolt B1 as shown in FIG. 3B (escape / slip phenomenon due to the fall of the impact absorption box 5).
- the shock absorbing box 5 is not crushed as designed, and the shock absorbing box 5 is not crushed in an unstable manner, and a stable shock absorbing effect without variation cannot be obtained.
- the present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a seat belt anchor bolt suitable for obtaining a stable shock absorbing effect without fluctuations, in which the shock absorbing box is stably crushed. It is to provide a nearby shock absorbing structure.
- the present invention is located between a vehicle body panel and a vehicle interior part, and in the vicinity of a seat belt anchor bolt in a form protruding from the vehicle body panel toward the interior of the vehicle.
- a cylinder that accommodates the head of the seat belt anchor bolt, a shock absorber box that is provided next to the cylinder and includes a top plate that faces the vehicle body panel;
- a base for supporting the shock absorption box, and an attaching means for attaching the base to the back surface of the interior part for a vehicle.
- a step is provided on a side surface of the shock absorption box as a base point for the deformation of the shock absorption box.
- a rib is provided between the shock absorbing box and the cylinder as a means for preventing the shock absorbing box from escaping due to overturning. Characterized in that was.
- the rib may have a shape of a hem that expands from the vicinity of the stepped portion toward the base of the shock absorbing box.
- the base portion of the cylindrical body and the root portion of the rib may be integrated by connecting ribs.
- the shock absorbing box in addition to adopting the shock absorbing box as a member that actually absorbs the shock, the shock absorbing box is further provided on the side of the shock absorbing box.
- a configuration in which a step portion is provided, and a configuration in which a rib is provided between the shock absorption box and the cylindrical body as a means for preventing escape due to the fall of the shock absorption box is adopted. The following effects are exhibited.
- the conventional method of absorbing the impact with the cross-shaped rib is abolished, and the method of absorbing the impact with the shock absorption box is adopted, so that the amount of shock energy absorbed is increased and the necessary shock energy absorption is achieved.
- a shock absorbing structure suitable for satisfying the value can be provided.
- (A) is a side view of the shock absorbing structure of FIG. 1
- (b) is a plan view taken along arrow A in (a).
- (A) is sectional drawing of the conventional shock absorption structure in the vicinity of a seat belt anchor bolt,
- (b) is the operation
- FIG. 1 is a cross-sectional view of a seat belt device to which an impact absorbing structure in the vicinity of a seat belt anchor bolt according to the present invention is applied
- FIG. 2 (a) is a side view of the impact absorbing structure of FIG. 1,
- FIG. It is an A arrow top view of the figure (a).
- a seat belt device 1 shown in FIG. 1 includes a seat belt (not shown) between a metal vehicle body panel W1 and a resin vehicle interior part (for example, a rear side pillar) W2 attached thereto with a predetermined gap.
- a seat belt 2 fed out from the feeding / winding device is provided, and a front end portion (not shown) of the seat belt 2 passes through an insertion hole 3A of the through ring 3 to open an opening OP (FIG. 2 (FIG. 2)). It is exposed in the car from b).
- the through ring 3 is directly attached to the vehicle body panel W1 by the seat belt anchor bolt B1, and is installed so as to be able to swing in the left-right direction around the seat belt anchor bolt B1.
- the seat belt anchor bolt B1 is a protrusion (vehicle body panel protrusion) that protrudes from the vehicle body panel W1 toward the inside of the vehicle.
- the shock absorbing structure 4 in the vicinity of the seat belt anchor bolt B1 is shown in FIG. As described above, it is located between the vehicle body panel W1 and the vehicle interior part W2, and absorbs an impact from outside or inside the vehicle near the seat belt anchor bolt B1.
- the shock absorbing structure 4 includes a cylindrical body 12 that accommodates the head of the seat belt anchor bolt B1 and a top plate 5A that faces the vehicle body panel W1 and is provided adjacent to the cylindrical body 12 next to the shock absorbing box. 5, a base 6 that supports the shock absorbing box 5, and attachment means 7 that attaches the base 6 to the back surface of the vehicle interior part W ⁇ b> 1.
- the shock absorbing box 5 is configured to have a trapezoidal shape in a side view by including four side plates 5B, 5C, 5D, and 5E integrally formed at the edge of the top plate 5A.
- one stepped step portion 8 is provided on the side surface of the shock absorbing box 5 (specifically, the outer surface of the side plate 5B) as a base point for the deformation of the shock absorbing box 5.
- the shock absorbing structure 4 of FIG. 1 in order to set the shock absorbing box 5 to buckle and collapse in a form of bowing toward the seat belt anchor bolt B ⁇ b> 1 due to shock from inside or outside the vehicle, although the step portion 6 is provided on the side plate 5B facing the seat belt anchor bolt B1 among 5B to 5E, it is not limited to this.
- the shock absorbing box 5 may be set to be buckled and crushed in a direction other than the seat belt anchor bolt B1.
- the step portion 8 may be provided in two or more steps on any one of the four side plates 5B to 5E, or the step portion may be provided on any two or more side plates of the four side plates 5B to 5E.
- One or a plurality of 8 may be provided.
- ribs 9 are provided between the shock absorbing box 5 and the cylinder 12 as means for preventing the shock absorbing box 5 from escaping due to overturning.
- the shock absorbing box 5 from the diagonally downward direction of the shock absorbing box 5 (in the direction of arrow R in FIG. 3B) via the vehicle interior part W2.
- the shock absorbing box 5 does not collapse as intended and falls in the direction of escaping from the seat belt anchor bolt B ⁇ b> 1 (escape / slip phenomenon due to the falling of the shock absorbing box 5). It has been confirmed by the present inventors.
- the rib 9 is provided between the shock absorbing box 5 and the cylindrical body 12 as described above.
- the shock absorbing box 5 When it is going to fall like this, it is possible to effectively suppress the fall of the shock absorbing box 5 and to design the shock absorbing box 5 because it exerts a strut action to prevent the fall by being pulled in the direction of the fall. It is suitable to be crushed as intended.
- the rib 9 has a shape that spreads from the vicinity of the stepped portion 8 to the vicinity of the root portion of the shock absorbing box 5.
- the reason why such a hem is expanded is that the shock absorbing box 5 tends to fall with its base portion 5F as a base point, so that the above-described toppling prevention strut action is increased near the base portion 5F of the shock absorbing box 5.
- the flared shape is not limited to a triangular shape like the rib 9 in FIG.
- the above-described toppling prevention strut action is further enhanced by connecting the base portion of the cylindrical body 12 and the base portion of the rib 9 with the connecting rib 13 and integrating them.
- the above-described cylinder 12 includes both a polygonal (square cylinder) and a circular (cylindrical) cross section.
- the two ribs 9 are provided (see FIG. 2A), but the number of the ribs 9 can be increased or decreased as necessary.
- the base 6 is provided under the shock absorbing box 5 as a means for supporting the shock absorbing box 5.
- the base 6 and the shock absorbing box 5 are integrally formed of resin, but it is also possible to adopt a method in which they are separately formed and assembled later.
- the attachment means 7 is formed by fitting a protrusion 10 formed on the back surface of the vehicle interior part W1 and a fitting hole 11 provided in the base 6 to thereby form a base. 6 is positioned and attached to the back surface of the vehicle interior part W1, but another structure other than this can be adopted.
- the shock absorbing box 5 is crushed with the stepped portion 8 on the side surface as a base point, so that the shock absorbing box 5 is always crushed in the same direction, that is, the way the shock absorbing box 5 is crushed is stable. In this respect, a stable shock absorbing effect without variation can be obtained.
- the shock absorbing structure 4 of the present embodiment when the shock absorbing box 5 tries to fall in the direction of escaping from the seat belt anchor bolt B1 due to the shock, the rib 9 is pulled in the falling direction, thereby preventing the fall. Since the function is exerted, the shock absorption box 5 can be effectively prevented from falling, and the shock absorption box 5 can be crushed more stably, such as the shock absorption box 5 being crushed as designed. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Seats For Vehicles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
Description
シートベルトアンカーボルト付近において、車内から車両用内装部品を介して作用する衝撃の方向や、車外から車体パネルを介して作用する衝撃の方向にはバラツキがあり、いつも同じ方向から衝撃が作用するとは限らない。ところで、本発明では、そのような衝撃の方向にバラツキがあっても、衝撃吸収ボックスはその側面の段差部を基点として潰れるので、必ず同じ方向に衝撃吸収ボックスが潰れる、つまり、衝撃吸収ボックスの潰れ方が安定する点で、バラツキのない安定な衝撃吸収効果を得るのに好適なシートベルトアンカーボルト付近の衝撃吸収構造を提供し得る。
特に、本発明では、衝撃により衝撃吸収ボックスがシートベルトアンカーボルトから逃げる方向に転倒しようとしたときに、リブがその転倒方向に引っ張られることで転倒阻止の踏ん張り作用を発揮するため、衝撃吸収ボックスの転倒を効果的に抑制することができ、衝撃吸収ボックスが設計の狙い通りに潰れるようになる等、衝撃吸収ボックスの潰れ方がより一層安定するという作用効果も得られる。
本発明では、従来のように十字状のリブで衝撃を吸収する方式を廃止し、衝撃吸収ボックスで衝撃を吸収する方式を採用したので、衝撃エネルギーの吸収量が増大し、必要な衝撃エネルギー吸収値を満足するのに好適な衝撃吸収構造を提供し得る。
図1のシートベルト装置1は、金属製の車体パネルW1と、これに所定の隙間を隔てて取付けられた樹脂製の車両用内装部品(例えばリヤサイドピラー)W2との間に、図示しないシートベルト繰出し・巻取り装置から繰出されたシートベルト2を備えており、このシートベルト2の先端部(図示省略)は、スルーリング3の挿通孔3Aを通して車両用内装部品W2の開口OP(図2(b)参照)から車内に露出している。
前記シートベルトアンカーボルトB1は、車体パネルW1から車内に向けて突出した形態の突起物(車体パネル突起物)であり、このようなシートベルトアンカーボルトB1付近での衝撃吸収構造4は、図1のように、車体パネルW1と車両用内装部品W2の間に位置し、かつ、シートベルトアンカーボルトB1付近で車外や車内からの衝撃を吸収するものである。
2 シートベルト
3 スルーリング
3A 挿通孔
4 衝撃吸収構造
5 衝撃吸収ボックス
5A 天板
5B、5C、5D、5E 側板
5F 根元部
6 ベース
7 取付け手段
8 段差部
9 リブ
10 突起
11 嵌合孔
12 筒体
13 連結リブ
B1 シートベルトアンカーボルト(車体パネル突起物)
OP 開口
W1 車体パネル
W2 車両用内装部品
Claims (3)
- 車体パネルと車両用内装部品の間に位置し、かつ、前記車体パネルから車内の方向に向けて突出した形態のシートベルトアンカーボルト付近で車外や車内からの衝撃を吸収する構造であって、
前記シートベルトアンカーボルトの頭部を収容する筒体と、
前記車体パネルに対向する天板を備えるとともに前記筒体の隣に併設した衝撃吸収ボックスと、
前記衝撃吸収ボックスを支持するベースと、
前記ベースを前記車両用内装部品の裏面に取付ける取付け手段と、を有し、
前記衝撃吸収ボックスの側面に、その衝撃吸収ボックスの潰れ変形の基点として、段差部を設けたこと、および、前記衝撃吸収ボックスと前記筒体との間に、その衝撃吸収ボックスの転倒による逃げを防止する手段として、リブを設けたこと
を特徴とするシートベルトアンカーボルト付近の衝撃吸収構造。 - 前記リブは、前記段差部付近から前記衝撃吸収ボックスの根元部付近に向うのに従い拡がった裾拡がりの形状になっていること
を特徴とする請求項1に記載のシートベルトアンカーボルト付近の衝撃吸収構造。 - 前記筒体の根元部と前記リブの根元部とを連結リブで繋げて一体化したこと
を特徴とする請求項1または2に記載のシートベルトアンカーボルト付近の衝撃吸収構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580029095.2A CN107074193B (zh) | 2014-08-28 | 2015-03-31 | 座椅安全带锚固螺栓附近的冲击吸收构造 |
JP2016544979A JP6238327B2 (ja) | 2014-08-28 | 2015-03-31 | シートベルトアンカーボルト付近の衝撃吸収構造 |
US15/506,182 US10059295B2 (en) | 2014-08-28 | 2015-03-31 | Structure for absorbing impact near seat belt anchor bolt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2014173599 | 2014-08-28 | ||
JP2014-173599 | 2014-08-28 |
Publications (1)
Publication Number | Publication Date |
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WO2016031287A1 true WO2016031287A1 (ja) | 2016-03-03 |
Family
ID=55399193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2015/060063 WO2016031287A1 (ja) | 2014-08-28 | 2015-03-31 | シートベルトアンカーボルト付近の衝撃吸収構造 |
Country Status (4)
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US (1) | US10059295B2 (ja) |
JP (1) | JP6238327B2 (ja) |
CN (1) | CN107074193B (ja) |
WO (1) | WO2016031287A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017043181A (ja) * | 2015-08-25 | 2017-03-02 | マツダ株式会社 | 車両の内装構造 |
Families Citing this family (4)
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---|---|---|---|---|
US10988261B2 (en) * | 2018-04-19 | 2021-04-27 | Ami Industries, Inc. | Flexible wall mount for aircraft cabin seat |
JP7132141B2 (ja) * | 2019-02-04 | 2022-09-06 | トヨタ自動車株式会社 | バックル装置、バックル装置のシート搭載構造、及び車両用シートベルト装置 |
US11014528B2 (en) * | 2019-04-19 | 2021-05-25 | Toyota Motor Engineering & Manufacturing North America, Inc. | Energy absorption for D-ring attachment bracket |
US11148718B2 (en) * | 2020-02-12 | 2021-10-19 | GM Global Technology Operations LLC | Vehicle seat structure flexibility within shear integral structures |
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2015
- 2015-03-31 WO PCT/JP2015/060063 patent/WO2016031287A1/ja active Application Filing
- 2015-03-31 JP JP2016544979A patent/JP6238327B2/ja not_active Expired - Fee Related
- 2015-03-31 CN CN201580029095.2A patent/CN107074193B/zh not_active Expired - Fee Related
- 2015-03-31 US US15/506,182 patent/US10059295B2/en active Active
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JPH0976875A (ja) * | 1995-09-13 | 1997-03-25 | Tokai Rika Co Ltd | ショルダアンカ構造 |
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Also Published As
Publication number | Publication date |
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CN107074193A (zh) | 2017-08-18 |
JP6238327B2 (ja) | 2017-11-29 |
JPWO2016031287A1 (ja) | 2017-04-27 |
US10059295B2 (en) | 2018-08-28 |
CN107074193B (zh) | 2019-03-15 |
US20170253209A1 (en) | 2017-09-07 |
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