JPH0436143U - - Google Patents
Info
- Publication number
- JPH0436143U JPH0436143U JP7893990U JP7893990U JPH0436143U JP H0436143 U JPH0436143 U JP H0436143U JP 7893990 U JP7893990 U JP 7893990U JP 7893990 U JP7893990 U JP 7893990U JP H0436143 U JPH0436143 U JP H0436143U
- Authority
- JP
- Japan
- Prior art keywords
- metal fitting
- receiving chamber
- pressure receiving
- fluid
- filled
- 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
- 239000002184 metal Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims 8
- 230000002093 peripheral effect Effects 0.000 claims 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Combined Devices Of Dampers And Springs (AREA)
Description
第１図は、本考案に従う構造とされたエンジン
マウントの一実施例を示す横断面図であり、第２
図は、第１図における−断面図であり、第３
図は、第１図における−断面図であり、第４
図は、第２図における右側面図であり、第５図は
、第１図における−断面図である。また、第
６図は、第１図に示されているエンジンマウント
を構成する一体加硫成形品を示す横断面図であり
、第７図は、第６図における−断面図であり
、第８図は、第６図における右側面図である。ま
た、第９図は、第１図に示されているエンジンマ
ウントを構成するオリフイス金具を示す展開図で
ある。更にまた、第１０図は、第１図に示されて
いるエンジンマウントの車両への装着状態を示す
、第２図に対応する縦断面図である。また、第１
１図は、第１図に示されているエンジンマウント
における低周波数域の入力振動に対する防振特性
を測定した結果を、比較例と共に示すグラフであ
り、第１２図は、第１図に示されているエンジン
マウントにおける高周波数域の入力振動に対する
防振特性を測定した結果を、比較例と共に示すグ
ラフである。
１０……エンジンマウント、１２……内筒金具
、１４……外筒金具、１６……ゴム弾性体、１８
……金属スリーブ、２０……一体加硫成形品、２
１……第一のゴム弾性体、２８……第二のゴム弾
性体、３０……第一の空所、３５……中間金具、
３７……突出部、４０……ダイヤフラム、４２…
…第二の空所、５０……オリフイス金具、５６…
…受圧室、５８……平衡室、６０……オリフイス
通路、６４……狭窄流路。
FIG. 1 is a cross-sectional view showing one embodiment of an engine mount having a structure according to the present invention;
The figure is a - sectional view in Figure 1, and
The figure is a - sectional view in FIG.
The figure is a right side view in FIG. 2, and FIG. 5 is a - sectional view in FIG. 1. 6 is a cross-sectional view showing an integrally vulcanized molded product constituting the engine mount shown in FIG. 1, and FIG. 7 is a cross-sectional view taken in FIG. The figure is a right side view in FIG. 6. Moreover, FIG. 9 is an exploded view showing the orifice fitting that constitutes the engine mount shown in FIG. 1. Furthermore, FIG. 10 is a longitudinal sectional view corresponding to FIG. 2, showing a state in which the engine mount shown in FIG. 1 is attached to a vehicle. Also, the first
Figure 1 is a graph showing the results of measuring the vibration isolation characteristics of the engine mount shown in Figure 1 against input vibration in the low frequency range, along with comparative examples. 3 is a graph showing the results of measuring vibration isolation characteristics against input vibration in a high frequency range in an engine mount according to the present invention, together with a comparative example. 10...Engine mount, 12...Inner cylinder metal fitting, 14...Outer cylinder metal fitting, 16...Rubber elastic body, 18
...Metal sleeve, 20...Integrated vulcanized product, 2
1... First rubber elastic body, 28... Second rubber elastic body, 30... First void, 35... Intermediate metal fitting,
37... protrusion, 40... diaphragm, 42...
...Second empty space, 50...Orifice fitting, 56...
... Pressure receiving chamber, 58 ... Equilibrium chamber, 60 ... Orifice passage, 64 ... Constricted flow path.
Claims (1)
若しくは偏心して配された内筒金具と外筒金具と
を、それらの間に介装されたゴム弾性体にて連結
すると共に、該内筒金具と該外筒金具との間に、
それぞれ内部に所定の非圧縮性流体が封入せしめ
られた複数個の流体室を形成し、更にそれらの流
体室を互いに連通せしめるオリフイス通路を設け
てなる、防振すべき振動が所定の軸直角方向に入
力せしめられる流体封入式筒型マウント装置にお
いて、 前記流体室のうちの少なくとも一つを、振動入
力方向における前記内筒金具と前記外筒金具との
間において、少なくとも周壁部が前記ゴム弾性体
にて形成されて、振動入力時に内圧変動が惹起さ
れる受圧室として形成すると共に、該受圧室にお
ける周壁部の内周面において、該受圧室内に突出
し、該受圧室内を振動入力方向中間部分において
狭窄せしめる突出部を一体的に設けて、該突出部
により狭窄流路を形成したことを特徴とする流体
封入式筒型マウント装置。 (2) 前記受圧室の周壁部を構成する前記ゴム弾
性体に対して、その膨出変形を規制する中間金具
を固着せしめると共に、該中間金具を前記受圧室
内に突出させることにより、該中間金具にて前記
突出部を構成せしめた請求項(1)記載の流体封入
式筒型マウント装置。[Claims for Utility Model Registration] (1) An inner cylindrical metal fitting and an outer cylindrical metal fitting arranged concentrically or eccentrically at a predetermined distance from each other in the radial direction, and a rubber elastic body interposed between them. and between the inner cylindrical metal fitting and the outer cylindrical metal fitting,
A plurality of fluid chambers are formed, each of which is filled with a predetermined incompressible fluid, and an orifice passage is provided to communicate the fluid chambers with each other. In the fluid-filled cylindrical mount device, at least one of the fluid chambers is arranged between the inner cylindrical metal fitting and the outer cylindrical metal fitting in the vibration input direction, at least a peripheral wall portion of which is connected to the rubber elastic body. is formed as a pressure receiving chamber in which internal pressure fluctuations are induced when vibration is input, and at the inner circumferential surface of the peripheral wall portion of the pressure receiving chamber, the pressure receiving chamber projects into the pressure receiving chamber, and an intermediate portion of the pressure receiving chamber in the direction of vibration input is formed. 1. A fluid-filled cylindrical mount device, characterized in that a constricting protrusion is integrally provided, and a constricted flow path is formed by the protrusion. (2) By fixing an intermediate metal fitting that restricts bulging deformation of the rubber elastic body constituting the peripheral wall portion of the pressure receiving chamber and projecting the intermediate metal fitting into the pressure receiving chamber, the intermediate metal fitting is 2. The fluid-filled cylindrical mount device according to claim 1, wherein the protruding portion is comprised of a fluid-filled cylindrical mount device.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7893990U JPH0436143U (en) | 1990-07-25 | 1990-07-25 | |
| US07/730,603 US5213313A (en) | 1990-07-19 | 1991-07-16 | Fluid-filled cylindrical elastic mount having lateral and radial elastic walls for desired axial and diametric spring characteristics |
| DE4123892A DE4123892C2 (en) | 1990-07-19 | 1991-07-18 | Elastic storage |
| FR9109182A FR2664954B1 (en) | 1990-07-19 | 1991-07-19 | FLUID-FILLED CYLINDRICAL ELASTIC SUPPORT HAVING SIDE AND RADIAL ELASTIC WALLS FOR DESIRED AXIAL AND DIAMETRIC ELASTICITY CHARACTERISTICS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7893990U JPH0436143U (en) | 1990-07-25 | 1990-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436143U true JPH0436143U (en) | 1992-03-26 |
Family
ID=31622658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7893990U Pending JPH0436143U (en) | 1990-07-19 | 1990-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436143U (en) |
-
1990
- 1990-07-25 JP JP7893990U patent/JPH0436143U/ja active Pending
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