JPS63101343U - - Google Patents
Info
- Publication number
- JPS63101343U JPS63101343U JP19605286U JP19605286U JPS63101343U JP S63101343 U JPS63101343 U JP S63101343U JP 19605286 U JP19605286 U JP 19605286U JP 19605286 U JP19605286 U JP 19605286U JP S63101343 U JPS63101343 U JP S63101343U
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- liquid chamber
- inner cylinder
- cylinder
- end side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
第1図ないし第3図は本考案の第1の実施例を
示し、第1図はバンパ用緩衝器の縦断面図、第2
図は破断弁の破断状態を示す第1図の要部拡大図
、第3図はピストン移動速度と抵抗力の関係を示
す特性線図、第4図は第2の実施例を示すバンパ
用緩衝器の縦断面図、第5図は第3の実施例を示
すバンパ用緩衝器の縦断面図、第6図ないし第8
図は前記第3の実施例のそれぞれ異なる変形例を
示す要部断面図、第9図は第4の実施例を示すバ
ンパ用緩衝器の縦断面図、第10図は抵抗力を3
段階で変化させる場合のピストン移動速度と抵抗
力の関係を示す特性線図である。
1……外筒、2,75……蓋体、5……内筒、
6……取付部材、9……フリーピストン、11,
21,31……ピストン、12……画成部材、1
3,22,32……オリフイス穴、14,23,
33,41,51,61A,77……オリフイス
通路、15,24,34……破断弁、18,76
……メータリングピン、42,62,78……ボ
ール弁、52……栓、A……ガス室、B,C……
液室。
1 to 3 show a first embodiment of the present invention, FIG. 1 is a vertical sectional view of a bumper shock absorber, and FIG.
The figure is an enlarged view of the main part of Figure 1 showing the rupture state of the rupture valve, Figure 3 is a characteristic diagram showing the relationship between piston movement speed and resistance force, and Figure 4 is a bumper buffer showing the second embodiment. FIG. 5 is a longitudinal sectional view of the bumper shock absorber showing the third embodiment, and FIGS.
The figures are cross-sectional views of essential parts showing different modifications of the third embodiment, FIG. 9 is a longitudinal cross-sectional view of a bumper shock absorber according to the fourth embodiment, and FIG.
FIG. 3 is a characteristic diagram showing the relationship between piston movement speed and resistance force when changing in steps. 1... Outer cylinder, 2,75... Lid body, 5... Inner cylinder,
6...Mounting member, 9...Free piston, 11,
21, 31... Piston, 12... Defining member, 1
3, 22, 32... Orifice hole, 14, 23,
33, 41, 51, 61A, 77... Orifice passage, 15, 24, 34... Breaking valve, 18, 76
...Metering pin, 42,62,78...Ball valve, 52...Bung, A...Gas chamber, B, C...
liquid chamber.
Claims (1)
が該外筒外へと軸方向に突出した内筒と、該内筒
内に摺動可能に挿嵌され、該内筒の突出端側にガ
ス室を画成したフリーピストンと、前記内筒の一
端側に設けられると共に前記外筒内に摺動可能に
挿嵌され、該フリーピストンによつて画成された
内筒の一側と前記外筒内とにそれぞれ液室を画成
するピストンと、該ピストンに穿設されたオリフ
イス穴と、一端側が前記外筒の一端側に固着され
、他端側が該オリフイス穴を介して前記内筒の液
室内へと伸長するメータリングピンと、前記各液
室のうち、外筒内の液室を内筒の液室または外部
に連通するオリフイス通路と、常時は該オリフイ
ス通路を閉塞し、前記外筒内の液室の圧力が所定
圧を越えると破断されて、該オリフイス通路を開
く破断弁とから構成してなるバンパ用緩衝器。 an outer cylinder; an inner cylinder having one end inserted into the outer cylinder and the other end protruding axially outside the outer cylinder; a free piston defining a gas chamber at an end; and an inner cylinder provided at one end of the inner cylinder and slidably inserted into the outer cylinder, and defined by the free piston. a piston defining a liquid chamber on the side and in the outer cylinder, an orifice hole bored in the piston, one end side fixed to one end side of the outer cylinder, and the other end side fixed to the one end side of the outer cylinder through the orifice hole. A metering pin extending into the liquid chamber of the inner cylinder, an orifice passage that communicates the liquid chamber in the outer cylinder with the liquid chamber of the inner cylinder or the outside, and the orifice passage is normally closed. and a rupture valve that is ruptured to open the orifice passage when the pressure in the liquid chamber in the outer cylinder exceeds a predetermined pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19605286U JPS63101343U (en) | 1986-12-20 | 1986-12-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19605286U JPS63101343U (en) | 1986-12-20 | 1986-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63101343U true JPS63101343U (en) | 1988-07-01 |
Family
ID=31154511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19605286U Pending JPS63101343U (en) | 1986-12-20 | 1986-12-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63101343U (en) |
-
1986
- 1986-12-20 JP JP19605286U patent/JPS63101343U/ja active Pending
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