JPH0115173Y2 - - Google Patents
Info
- Publication number
- JPH0115173Y2 JPH0115173Y2 JP1983191876U JP19187683U JPH0115173Y2 JP H0115173 Y2 JPH0115173 Y2 JP H0115173Y2 JP 1983191876 U JP1983191876 U JP 1983191876U JP 19187683 U JP19187683 U JP 19187683U JP H0115173 Y2 JPH0115173 Y2 JP H0115173Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- sealing
- sealing member
- insertion hole
- sealing plate
- 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.)
- Expired
Links
- 238000007789 sealing Methods 0.000 claims description 67
- 230000037431 insertion Effects 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 11
- 239000013013 elastic material Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Gasket Seals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
【考案の詳細な説明】
本考案は、電解コンデンサのシール装置に関
し、更に詳しくは、組立が容易であつてしかも優
れた密封機能を示す電解コンデンサのシール装置
を提示するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sealing device for an electrolytic capacitor, and more specifically, to provide a sealing device for an electrolytic capacitor that is easy to assemble and exhibits an excellent sealing function.
電解コンデンサのケース開口部を閉塞する封口
板を、電極が貫通する部分のシール装置として
は、第１図に示すごとく、ケース１の開口部を閉
塞する封口板２をゴム状弾性材の単体として形成
し、適宜配設された電極挿入孔３に、電極５を圧
挿するごとくなした構造が知られているが、この
型の電解コンデンサにおいては、第２図に示すご
とく、電極５に連結されたリード線６が取付基板
９に穿たれた通し孔１０を貫通して取付けられた
際に、電極５に対し、軸線と交差する方向の引張
り力が作用して、電極５と電極挿入孔３との間の
シール性を低下させることがあつた。 As shown in Fig. 1, as a sealing device for the part through which the electrode penetrates the sealing plate that closes the opening of the case of the electrolytic capacitor, the sealing plate 2 that closes the opening of the case 1 is made of a single piece of rubber-like elastic material. A structure is known in which an electrode 5 is press-fitted into an electrode insertion hole 3 formed and arranged as appropriate.In this type of electrolytic capacitor, as shown in FIG. When the lead wire 6 is inserted through the through hole 10 drilled in the mounting board 9, a tensile force acts on the electrode 5 in a direction crossing the axis, causing the electrode 5 and the electrode insertion hole to There were cases where the sealing performance between 3 and 3 was deteriorated.
本考案は、上記した従来技術による電解コンデ
ンサの封口板の電極挿入部のシール装置における
問題点に鑑み、封口板を合成樹脂材料をもつて製
作し、封口板の電極挿入箇所に、内壁側及び外壁
側が共に大径に形成され、中間部が小径に形成さ
れたシール部材挿入孔を穿つとともに、該シール
部材挿入孔に、ゴム状弾性材料をもつて製せら
れ、軸方向両端を大径に形成され、中間部を小径
に形成された電極用シール部材を圧挿して合成樹
脂材製封口板の剛性により、電極に対する保持強
度を高めるとともに、ゴム状弾性材製の電極用シ
ール部材により、電極保持部のシール性を確実に
なし、更に、電極用シール部材及びシール部材挿
入孔を、軸方向両端部において大径に、中間部に
おいて小径に形成することにより、シール部材と
封口板との結合を強固に保つことができ、しか
も、シール部材挿入孔に対するシール部材の挿入
が容易になし得られるように構成するものであ
る。 In view of the above-mentioned problems with the conventional sealing device for the electrode insertion part of the sealing plate of an electrolytic capacitor, the present invention has been developed by manufacturing the sealing plate from a synthetic resin material, and applying the sealing plate to the inner wall side and the electrode insertion part of the sealing plate. A sealing member insertion hole is formed in which the outer wall side is formed with a large diameter and the middle part is formed with a small diameter, and the sealing member insertion hole is made of a rubber-like elastic material and both axial ends are made with a large diameter The rigidity of the sealing plate made of synthetic resin increases the holding strength for the electrode by press-inserting the electrode sealing member, which has a small diameter in the middle part, and the electrode sealing member made of rubber-like elastic material. The sealing performance of the holding part is ensured, and the electrode sealing member and the sealing member insertion hole are formed to have a large diameter at both ends in the axial direction and a small diameter at the middle part, thereby making it possible to connect the sealing member and the sealing plate. The structure is such that the sealing member can be firmly maintained, and the sealing member can be easily inserted into the sealing member insertion hole.
両端部を大径に、中間部を小径に形成されるシ
ール部材挿入孔及び電極用シール部材の構造は、
シール部材挿入孔の両端部にそれぞれ段部を設け
るとともに、略筒状を呈する電極用シール部材の
両端部に、それぞれ上記段部に係合するフランジ
部を設けるか、シール部材挿入孔の一方の端部に
段部を設け、該段部から他端側へ向けて未広がり
に拡張するテーパ状の内周面を形成するととも
に、電極用シール部材の一方の端部にフランジ部
を設け、該フランジ部から他方の端部へ向つて未
広がりの拡形するテーパ周面を形成するか、或い
はシール部材挿入孔及び電極用シール部材を中央
から両端に向つて拡径して略鼓形状に形成した構
造が使用される。 The structure of the seal member insertion hole and the electrode seal member, which are formed with a large diameter at both ends and a small diameter at the middle part, is as follows:
Steps may be provided at both ends of the seal member insertion hole, and flanges that engage with the step portions may be provided at both ends of the substantially cylindrical electrode seal member, or one of the ends of the seal member insertion hole may be provided with a flange portion that engages with the step portions. A step is provided at the end, and a tapered inner circumferential surface is formed that expands from the step toward the other end without widening, and a flange is provided at one end of the electrode sealing member. Form a tapered peripheral surface that expands from the flange portion toward the other end, or expand the diameter of the seal member insertion hole and the electrode seal member from the center toward both ends to form a substantially drum shape. structure is used.
以下、図示の実施例について説明する。第２図
の実施例においては、封口板２が合成樹脂材料を
もつて製せられ、電極５が取付けられる箇所に、
内壁側及び外壁側に段部１２を形成されたシール
部材挿入孔１１が穿たれ、ゴム状弾性材料をもつ
て製せられ、略筒状を呈し、両端にフランジ部１
５を付された電極用シール部材１４がシール部材
挿入孔１１に圧挿され、電極５が、電極用シール
部材１４を密封的に貫通している。封口板２の外
周部の内壁側及び外壁側に、それぞれ環状段部１
７が形成され、ゴム状弾性材料をもつて、略コ字
状の断面形状を呈する環状体に製せられた外周側
シール部材１９が、封口板２の外周側段部に外挿
され、開口側端部を曲げ加工されたケース１が、
外周側シール部材１９を介して封口板２を保持し
ている。 The illustrated embodiment will be described below. In the embodiment shown in FIG. 2, the sealing plate 2 is made of a synthetic resin material, and the electrode 5 is attached at a location where the sealing plate 2 is made of a synthetic resin material.
A sealing member insertion hole 11 with stepped portions 12 formed on the inner wall side and the outer wall side is bored, is made of a rubber-like elastic material, has a substantially cylindrical shape, and has flange portions 1 at both ends.
The electrode sealing member 14 marked with 5 is press-fitted into the sealing member insertion hole 11, and the electrode 5 passes through the electrode sealing member 14 in a sealed manner. An annular stepped portion 1 is provided on the inner wall side and the outer wall side of the outer periphery of the sealing plate 2, respectively.
7 is formed, and an outer circumferential side sealing member 19 made of a rubber-like elastic material and formed into an annular body having a substantially U-shaped cross section is inserted over the outer circumferential side step portion of the sealing plate 2 and seals the opening. Case 1, whose side edges are bent,
The sealing plate 2 is held via an outer peripheral side seal member 19.
第４図の実施例においては、封口板２に穿たれ
たシール部材挿入孔１１が、外壁側に段部１２を
備え、段部１２から内部へ向つて発散するテーパ
状内周面を形成し、ゴム状弾性材料をもつて製せ
られた電極用シール部材１４が一方の端部にフラ
ンジ部１５を付され、フランジ部１５から他方へ
向つて未広がりのテーパ状に形成され、封口板２
の外周部近傍に環状溝２０が付され、ゴム状弾性
材料をもつて製せられた外周側シール部材１９が
環状溝２０内に挿入される環状主体部２１と封口
板２の外周を囲む円筒部２２を有し、曲げ加工さ
れたケース１の端縁が環状主体部２１を密封的に
圧して封口板２の外周部を保持している。 In the embodiment shown in FIG. 4, the sealing member insertion hole 11 bored in the sealing plate 2 has a stepped portion 12 on the outer wall side, and forms a tapered inner circumferential surface that diverges from the stepped portion 12 toward the inside. , an electrode sealing member 14 made of a rubber-like elastic material has a flange portion 15 attached to one end, and is formed into an unwidened tapered shape from the flange portion 15 toward the other end, and the sealing plate 2
A cylinder surrounding the outer periphery of the annular main body 21 and the sealing plate 2, in which an annular groove 20 is formed near the outer periphery of the annular main body 21 and an outer seal member 19 made of a rubber-like elastic material is inserted into the annular groove 20. The bent edge of the case 1 presses the annular main body part 21 in a sealing manner to hold the outer peripheral part of the sealing plate 2.
本考案の電解コンデンサのシール装置が、上記
したように、合成樹脂材をもつて製せられた封口
板に、内壁側及び外壁側を大径に形成され、中間
部を小径に形成されたシール部材封入孔を穿た
れ、ゴム状弾性材料をもつて製せられ、軸方向両
端を大径に、中間部を小径に形成された電極用シ
ール部材が上記シール部材挿入孔内に圧挿され、
更に電極用シール部材に電極が圧挿される構成を
備えているために、電極が封口板の全厚さにわた
り、電極用シール部材を介して封口板に保持さ
れ、しかも電極用シール部材が、シール部材挿入
孔により軸方向両端部を互いに離れる方向に引張
られるので、電極用シール部材と封口板との係合
が強固に保たれ、シール性が確実となる。 As described above, the sealing device for an electrolytic capacitor of the present invention has a sealing plate made of a synthetic resin material, a seal having a large diameter on the inner wall side and an outer wall side, and a small diameter on the middle part. A member sealing hole is bored, and an electrode sealing member made of a rubber-like elastic material and having a large diameter at both ends in the axial direction and a small diameter at the middle portion is press-fitted into the sealing member insertion hole,
Furthermore, since the electrode is press-fitted into the electrode sealing member, the electrode is held on the sealing plate through the electrode sealing member over the entire thickness of the sealing plate. Since both ends in the axial direction are pulled apart from each other by the member insertion hole, the engagement between the electrode sealing member and the sealing plate is maintained firmly, and sealing performance is ensured.
第１図は従来技術による電解コンデンサのシー
ル装置の一例を示す部分断面図、第２図は第１図
の電解コンデンサのシール装置におけるトラブル
発生の状況を示す部分断面図、第３図、第４図は
それぞれ本考案による電解コンデンサのシール装
置の一例を示す部分断面図である。
１……ケース、２……封口板、３……電極挿入
孔、５……電極、６……リード線、９……取付基
板、１０……通孔、１１……シール部材挿入孔、
１２……段部、１４……電極用シール部材、１５
……フランジ部、１７……環状段部、１９……外
周側シール部材、２０……環状溝、２１……環状
主体部、２２……円筒部。
Fig. 1 is a partial cross-sectional view showing an example of a conventional electrolytic capacitor sealing device, Fig. 2 is a partial cross-sectional view showing a trouble occurrence situation in the electrolytic capacitor sealing device of Fig. 1, Figs. Each figure is a partial sectional view showing an example of a sealing device for an electrolytic capacitor according to the present invention. DESCRIPTION OF SYMBOLS 1... Case, 2... Sealing plate, 3... Electrode insertion hole, 5... Electrode, 6... Lead wire, 9... Mounting board, 10... Through hole, 11... Seal member insertion hole,
12... Step portion, 14... Electrode sealing member, 15
. . . Flange portion, 17 . . . Annular step portion, 19 .
Claims (1)
２に穿たれたシール部材挿入孔１２にゴム状弾性
材料をもつて製せられた電極用シール部材１４を
挿入されて成る電解コンデンサのシール装置にお
いて、前記シール部材挿入孔１２が、内壁側及び
外壁側を大径に、中間部を小径に形成され、前記
電極用シール部材１４が軸方向両端部を大径に、
中間部を小径に形成されていることを特徴とする
電解コンデンサのシール装置。 A sealing device for an electrolytic capacitor, in which an electrode sealing member 14 made of a rubber-like elastic material is inserted into a sealing member insertion hole 12 made in a sealing plate 2 made of a synthetic resin material that closes the opening of a case 1. The sealing member insertion hole 12 is formed with a large diameter on the inner wall side and the outer wall side and a small diameter on the middle part, and the electrode sealing member 14 has a large diameter on both axial ends,
A sealing device for an electrolytic capacitor characterized by having a small diameter intermediate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19187683U JPS6099528U (en) | 1983-12-13 | 1983-12-13 | Electrolytic capacitor sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19187683U JPS6099528U (en) | 1983-12-13 | 1983-12-13 | Electrolytic capacitor sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6099528U JPS6099528U (en) | 1985-07-06 |
| JPH0115173Y2 true JPH0115173Y2 (en) | 1989-05-08 |
Family
ID=30413083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19187683U Granted JPS6099528U (en) | 1983-12-13 | 1983-12-13 | Electrolytic capacitor sealing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099528U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS445250Y1 (en) * | 1966-06-08 | 1969-02-25 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5897826U (en) * | 1981-12-24 | 1983-07-02 | 松下電器産業株式会社 | Capacitor lid |
-
1983
- 1983-12-13 JP JP19187683U patent/JPS6099528U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS445250Y1 (en) * | 1966-06-08 | 1969-02-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6099528U (en) | 1985-07-06 |
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