JPH0380134U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１〜４図は本考案を具体化した第一実施例を
示し、第１図は衝撃エネルギ吸収装置を取り付け
た航空機用座席の脚部を示す側面図、第２図はエ
ネルギ吸収前の衝撃エネルギ吸収装置の斜視図、
第３図はエネルギ吸収後の衝撃エネルギ吸収装置
の斜視図、第４図は該衝撃エネルギ吸収装置の横
断面図である。第５図は第二実施例の衝撃エネル
ギ吸収装置を取り付けた航空機用座席の脚部を示
す側面図、第６図〜第９図はそれぞれ押し広げ部
材の別例を示す分解斜視図、第１０図は別例の衝
撃エネルギ吸収装置の横断面図である。 １１……衝撃エネルギ吸収装置、１２……内側
被膨出部材、１３……外側被膨出部材、１４，２
６，２７，２８，２９……押し広げ部材、１７…
…スリツト。 Figures 1 to 4 show a first embodiment embodying the present invention, Figure 1 is a side view showing the leg of an aircraft seat equipped with an impact energy absorption device, and Figure 2 shows the impact energy absorption device before it is absorbed. Perspective view of the energy absorption device,
FIG. 3 is a perspective view of the impact energy absorbing device after energy absorption, and FIG. 4 is a cross-sectional view of the impact energy absorbing device. FIG. 5 is a side view showing the legs of an aircraft seat to which the impact energy absorbing device of the second embodiment is attached, FIGS. 6 to 9 are exploded perspective views showing other examples of the pushing and spreading member, and FIG. The figure is a cross-sectional view of another example of an impact energy absorbing device. DESCRIPTION OF SYMBOLS 11... Impact energy absorption device, 12... Inner bulging member, 13... Outer bulging member, 14, 2
6, 27, 28, 29... pushing and spreading member, 17...
...Slit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 板状又は棒状に形成され、かつその軸線方向に
スリツト１７が設けられた内側被膨出部材１２と
、該内側被膨出部材１２に略接する筒状に形成さ
れ、かつ該内側被膨出部材１２に外嵌された外側
被膨出部材１３と、前記スリツト１７の幅より太
く形成され、かつ該スリツト１７に挿通されて外
側被膨出部材１３に両端が固定されて外側被膨出
部材１３に両端が固定された押し広げ部材１４，
２６，２７，２８，２９とを備え、前記内側被膨
出部材１２と外側被膨出部材１３に加わる衝撃力
により、押し広げ部材１４，２６，２７，２８，
２９がスリツト１７を押し広げながら移動して内
側被膨出部材１２及び外側被膨出部材１３を塑性
的に膨出変形させるよう構成したことを特徴とす
る衝撃エネルギ吸収装置。 An inner bulging member 12 formed into a plate or rod shape and provided with a slit 17 in the axial direction; and an inner bulging member 12 which is formed into a cylindrical shape and substantially in contact with the inner bulging member 12. 12 and an outer bulging member 13 which is formed to be wider than the width of the slit 17 and which is inserted through the slit 17 and fixed at both ends to the outer bulging member 13. A pushing and spreading member 14 whose both ends are fixed to
26, 27, 28, 29, and by the impact force applied to the inner bulging member 12 and the outer bulging member 13, the spreading members 14, 26, 27, 28,
29 moves while pushing the slit 17 apart to plastically bulge and deform the inner bulging member 12 and the outer bulging member 13.