JPS6140536U

JPS6140536U - gas station

Info

Publication number: JPS6140536U
Application number: JP12435084U
Authority: JP
Inventors: 清二田中
Original assignee: 日産自動車株式会社
Priority date: 1984-08-16
Filing date: 1984-08-16
Publication date: 1986-03-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係るガスステーの構造を示す
断面図、第２図は本考案の実施例に係るガスステーの反
発力の特性を示すグラフ、第３図は本考案が適用される
自動車のバックドアの状態を示す斜視図、第４図は従来
のガスステーの構造の一例を示す断面図、第５図はその
反発力の特性を示すグラフである。１，Ｓ・・・ガスステー、２・・・バックドア（開閉
体）、３．１３・・・シリンダ本体、５，１５・・・ピ
ストン、６，１６・・・ピストンロツド、７，１７・・
・パッキン、２０・・・接触部、２１・・・拡径部、Ｆ
・・・反発力、Ｆ１・・・ピストンとシリンダ本体との
摩擦力、Ｆ２・・・ピストンロンドとパッキンとの摩擦
力、Ｗ・・・ガスカ。Figure 1 is a cross-sectional view showing the structure of a gas stay according to an embodiment of the present invention, Figure 2 is a graph showing the repulsive force characteristics of the gas stay according to an embodiment of the present invention, and Figure 3 is a graph to which the present invention is applied. FIG. 4 is a perspective view showing the state of the back door of an automobile, FIG. 4 is a sectional view showing an example of the structure of a conventional gas stay, and FIG. 5 is a graph showing the characteristics of its repulsive force. 1, S...Gas stay, 2...Back door (opening/closing body), 3.13...Cylinder body, 5,15...Piston, 6,16...Piston rod, 7,17...
・Packing, 20...Contact part, 21...Enlarged diameter part, F
...Repulsive force, F1...Frictional force between the piston and cylinder body, F2...Frictional force between the piston rond and packing, W...Gaska.

Claims

[Scope of utility model registration request]

A cylinder body, a piston movably disposed within the cylinder body, a piston rod having one end attached to the piston and the other end protruding from the end of the cylinder body, and a piston rod between the piston rod and the cylinder body. In the gas stay, the cylinder body is provided with a sealing packing and a high-pressure gas is sealed in a cylinder body sealed by the packing, and the cylinder body has an enlarged diameter portion with an inner diameter larger than the outer diameter of the piston. Features a gas stay.