JPH0216840U

JPH0216840U -

Info

Publication number: JPH0216840U
Application number: JP9598088U
Authority: JP
Priority date: 1988-07-20
Filing date: 1988-07-20
Publication date: 1990-02-02

Description

[Brief explanation of drawings]

第１図はこの考案による液体封入ブツシユの一
実施例を示す左半部のみ断面にした正面図、第２
図は第１図のものの組立て前の要部を示す左半部
のみ断面にした正面図、第３図は第２図のものの
側面図、第４図は共振現象によつて生じる動ばね
定数の低下を示すグラフ、第５図は従来のものの
一例を示す正面図、第６図は第５図の―線に
沿つた断面図である。１，２１……インナスリーブ、２，２２……第
１アウタスリーブ、３，２３……弾性体（ゴム）
、４，２４……第２アウタスリーブ、５，２５…
…液体、６，２６……液室、７……間隔、８，９
……対向面、１０……脚部、１１，１２……膜部
、１３，１４……空所、１５，１６……液室用凹
所、１７……オリフイス、１８，１９……突部。 Figure 1 is a front view showing an embodiment of the liquid-filled bushing according to this invention, with only the left half cut away;
The figure is a front view with only the left half section showing the main parts before assembly of the thing in Figure 1, Figure 3 is a side view of the thing in Figure 2, and Figure 4 shows the dynamic spring constant caused by the resonance phenomenon. A graph showing the decrease, FIG. 5 is a front view showing an example of the conventional one, and FIG. 6 is a sectional view taken along the line -- in FIG. 1, 21... Inner sleeve, 2, 22... First outer sleeve, 3, 23... Elastic body (rubber)
, 4, 24... second outer sleeve, 5, 25...
...liquid, 6,26...liquid chamber, 7...interval, 8,9
... Opposing surface, 10 ... Leg part, 11, 12 ... Membrane part, 13, 14 ... Hollow space, 15, 16 ... Recess for liquid chamber, 17 ... Orifice, 18, 19 ... Projection .

Claims

[Scope of utility model registration request]

In the liquid-filled bushing, the inner sleeve 1 and the first outer sleeve 2 are integrally molded via an elastic body 3, and a second annular outer sleeve 4 is attached to the outer periphery to form a liquid chamber 6. 1st
Opposing surfaces 8 and 9 are formed on the outer sleeve 2 and the elastic body 3 at an interval 7 along the circumferential direction, and the inner sleeve 1 and the first outer sleeve 2 are coupled to the elastic body 3. Leg portions 10 are provided on the left and right, and membrane portions 11 and 12 are provided on each leg portion 10.
Two liquid chamber recesses 15 and 16 are formed adjacent to the upper and lower cavities 13 and 14, respectively, and an orifice 17 that communicates the two liquid chamber recesses 15 and 16 are formed. 3, the membrane part 1
1 and 12 are formed, and the first outer sleeve 2 and the elastic body 3 are compressed in the circumferential direction so that the opposing surfaces 8 and 9 are joined to each other. A liquid-filled bushing characterized by being equipped with an outer sleeve 4.