JPS6422023U

JPS6422023U -

Info

Publication number: JPS6422023U
Application number: JP11772887U
Authority: JP
Priority date: 1987-07-30
Filing date: 1987-07-30
Publication date: 1989-02-03

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の一実施例に係り、第
１図はアルミニウム電解コンデンサを示す正断面
図、第２図および第３図は第１図を構成するゴム
封口栓を示すもので第２図は平面図、第３図は第
２図イーイ断面図、第４図は第１図に示すコンデ
ンサの内圧上昇時の断面図、第５図は本考案の他
の実施例に係るゴム封口栓を示す平面図、第６図
は本考案の他の別の実施例に係るゴム封口栓の凸
部形状を示す拡大断面図、第７図〜第１１図は従
来の参考例に係り、第７図はアルミニウム電解コ
ンデンサを示す正断面図、第８図は第７図に示す
コンデンサの内圧上昇時の断面図、第９図は第８
図の平面図、第１０図および第１１図はゴム封口
栓を示すもので第１０図は平面図、第１１図は第
１０図ローロ断面図、第１２図は従来の他の参考
例に係る封口栓構造を示す正断面図、第１３図は
温度に対する封口部強度を示す特性曲線図である
。３……コンデンサ素子、４……ゴム封口栓、５
……凸部、６……防爆弁、７……ケース、８……
カール部。 Figures 1 to 4 relate to one embodiment of the present invention, with Figure 1 being a front sectional view showing an aluminum electrolytic capacitor, and Figures 2 and 3 showing the rubber sealing plug constituting Figure 1. Fig. 2 is a plan view, Fig. 3 is a sectional view of Fig. 2, Fig. 4 is a sectional view of the capacitor shown in Fig. 1 when the internal pressure increases, and Fig. 5 is a diagram showing another embodiment of the present invention. FIG. 6 is an enlarged sectional view showing the convex shape of a rubber sealing plug according to another embodiment of the present invention, and FIGS. 7 to 11 are related to conventional reference examples. , Fig. 7 is a front cross-sectional view of an aluminum electrolytic capacitor, Fig. 8 is a cross-sectional view of the capacitor shown in Fig. 7 when the internal pressure increases, and Fig. 9 is a cross-sectional view of the capacitor shown in Fig. 8.
The plan view, FIG. 10 and FIG. 11 show a rubber sealing plug, FIG. 10 is a plan view, FIG. 11 is a cross-sectional view of the roller in FIG. FIG. 13 is a front sectional view showing the sealing plug structure and a characteristic curve diagram showing the strength of the sealing portion with respect to temperature. 3... Capacitor element, 4... Rubber sealing plug, 5
...Protrusion, 6...Explosion-proof valve, 7...Case, 8...
Curl section.

Claims

[Scope of Claim for Utility Model Registration] (1) An electrolytic capacitor formed by fitting a rubber sealing plug into a case opening provided with an explosion-proof valve that houses a capacitor element, and forming a curled part at the tip of the case opening to seal the case, An aluminum electrolytic capacitor characterized in that a convex portion is provided on the outer periphery of the surface of the rubber sealing plug, and the convex portion is covered with a curled portion. (2) The aluminum electrolytic capacitor according to claim (1) of the utility model registration, characterized in that the convex portion is continuous. (3) The aluminum electrolytic capacitor according to claim (1) of the utility model registration, characterized in that the convex portion is divided into a plurality of parts.