JPH0165442U - - Google Patents
Info
- Publication number
- JPH0165442U JPH0165442U JP1987158294U JP15829487U JPH0165442U JP H0165442 U JPH0165442 U JP H0165442U JP 1987158294 U JP1987158294 U JP 1987158294U JP 15829487 U JP15829487 U JP 15829487U JP H0165442 U JPH0165442 U JP H0165442U
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- chamber
- communication port
- partition wall
- port
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combined Devices Of Dampers And Springs (AREA)
Description
第１図は本考案の一実施例を示す防振装置の垂
直断面図で、第２図の−線に沿うもの、第２
図は仕切壁の平面図、第３図は防振装置の作動を
示す要部断面図、第４図は防振装置の動バネ定数
および減衰係数の周波数特性図、第５図は従来例
を示す防振装置の断面図である。
１……ゴム弾性体（室壁）、２……ゴムシート
（室壁）、３……仕切壁、３１……第１の液流通
ポート、３２……第２の液流通ポート、３３……
絞り流路、４Ａ……第１の弁体、４Ｂ……第２の
弁体、５Ａ，５Ｂ……電磁コイル（弁駆動手段）
、Ａ……主液室（第１の液室）、Ｂ……副液室（
第２の液室）。
FIG. 1 is a vertical cross-sectional view of a vibration isolator showing an embodiment of the present invention.
The figure is a plan view of the partition wall, Figure 3 is a sectional view of the main parts showing the operation of the vibration isolator, Figure 4 is a frequency characteristic diagram of the dynamic spring constant and damping coefficient of the vibration isolator, and Figure 5 is the conventional example. FIG. 3 is a sectional view of the vibration isolator shown in FIG. DESCRIPTION OF SYMBOLS 1... Rubber elastic body (chamber wall), 2... Rubber sheet (chamber wall), 3... Partition wall, 31... First liquid circulation port, 32... Second liquid circulation port, 33...
Throttle channel, 4A...first valve body, 4B...second valve body, 5A, 5B...electromagnetic coil (valve driving means)
, A...Main liquid chamber (first liquid chamber), B...Sub-liquid chamber (
second liquid chamber).
Claims (1)
体を室壁とする第１および第２の液室と、これら
液室を区画する仕切壁とを有する液封入防振装置
において、上記仕切壁には、上記第１の液室に開
口する第１の液流通ポートを設けるとともに、上
記第２の液室に開口しかつ上記第１の液流通ポー
トと連通する第２の液流通ポートを設け、かつ上
記仕切壁には小径の絞り流路を設けて、その一端
を上記第１ないし第２の液室に開口せしめるとと
もに他端を絞り流路が開口しない液室の液流通ポ
ートに連通せしめ、一方、上記第１の液流通ポー
トを開閉する第１の弁体と上記第２の液流通ポー
トを開閉する第２の弁体を設けるとともに、弁駆
動手段を設けて、該弁駆動手段により車両の運転
状態に応じて上記各弁体を作動せしめて、択一的
に、上記第１および第２の液流通ポートを開放せ
しめ、絞り流路が開口する液室の液流通ポートを
閉鎖せしめ、上記第１および第２の液流通ポート
を閉鎖せしめるようになした車両の液封入防振装
置。 In a liquid-filled vibration isolator that is installed in a vehicle and has first and second liquid chambers whose chamber walls are elastic bodies that are deformed by vibration input, and a partition wall that partitions these liquid chambers, the partition wall has a , providing a first liquid communication port that opens to the first liquid chamber, and a second liquid communication port that opens to the second liquid chamber and communicates with the first liquid communication port, and A small diameter throttle channel is provided in the partition wall, one end of which opens into the first or second liquid chamber, and the other end communicates with a liquid distribution port of the liquid chamber where the throttle channel does not open. , a first valve body for opening and closing the first liquid distribution port and a second valve body for opening and closing the second liquid distribution port are provided, and a valve drive means is provided, and the valve drive means operates the vehicle. The valve bodies are actuated depending on the operating state, and the first and second liquid communication ports are alternatively opened, and the liquid communication port of the liquid chamber in which the throttle flow path is opened is closed. A liquid-filled vibration damping device for a vehicle that closes first and second liquid distribution ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15829487U JPH0611393Y2 (en) | 1987-10-16 | 1987-10-16 | Vehicle anti-vibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15829487U JPH0611393Y2 (en) | 1987-10-16 | 1987-10-16 | Vehicle anti-vibration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165442U true JPH0165442U (en) | 1989-04-26 |
| JPH0611393Y2 JPH0611393Y2 (en) | 1994-03-23 |
Family
ID=31438487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15829487U Expired - Lifetime JPH0611393Y2 (en) | 1987-10-16 | 1987-10-16 | Vehicle anti-vibration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611393Y2 (en) |
-
1987
- 1987-10-16 JP JP15829487U patent/JPH0611393Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611393Y2 (en) | 1994-03-23 |
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