JPH0296090U - - Google Patents
Info
- Publication number
- JPH0296090U JPH0296090U JP1989005704U JP570489U JPH0296090U JP H0296090 U JPH0296090 U JP H0296090U JP 1989005704 U JP1989005704 U JP 1989005704U JP 570489 U JP570489 U JP 570489U JP H0296090 U JPH0296090 U JP H0296090U
- Authority
- JP
- Japan
- Prior art keywords
- receiving ring
- sealing member
- shaft body
- packing box
- seal member
- 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
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Details Of Valves (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Description
第１図は本考案に係る軸体のシール装置を示す
断面図、第２図は同じく本考案における受けリン
グを示す斜視図、第３図は副シール部材の装着状
態を拡大して示す断面図、第４図は弾性シール部
材に圧力が作用した状態を説明するための断面図
、第５図は従来の軸体のシール装置を示す断面図
である。
２……弁軸、１１……パツキンボツクス、１２
……通路、１３……Ｖ字形パツキン、１４……環
状溝、１５……主シール部材、１６……副シール
部材、１７……パツキン受けリング、１８……通
路、１９……加圧装置、２３……スプリング。
FIG. 1 is a cross-sectional view showing a shaft sealing device according to the present invention, FIG. 2 is a perspective view showing a receiving ring according to the present invention, and FIG. 3 is a cross-sectional view showing an enlarged state of attachment of the sub-seal member. 4 is a sectional view for explaining the state in which pressure is applied to the elastic sealing member, and FIG. 5 is a sectional view showing a conventional shaft body sealing device. 2...Valve stem, 11...Packing box, 12
... Passage, 13 ... V-shaped packing, 14 ... Annular groove, 15 ... Main seal member, 16 ... Sub-seal member, 17 ... Packing receiving ring, 18 ... Passage, 19 ... Pressure device, 23...Spring.
Claims (1)
周囲に設けられた弾性シール部材と、この弾性シ
ール部材と同一の軸線上に設けられかつ前記パツ
キンボツクス内に収納された受けリングとを備え
た軸体のシール装置において、前記弾性シール部
材を、一側に開口する環状溝を有する主シール部
材と、この主シール部材に前記受けリングを介し
て対向する副シール部材とによつて構成し、この
うち主シール部材の環状溝に連通しかつその内外
周面に開口する第１の通路を前記受けリングに設
け、この通路のリング外周面側に開口しかつ加圧
装置に接続する第２の通路を前記パツキンボツク
スに設けたことを特徴とする軸体のシール装置。 A shaft body including an elastic seal member provided around the shaft body that passes through the center of the bottom of a packing box, and a receiving ring provided on the same axis as the elastic seal member and housed in the packing box. In the sealing device, the elastic sealing member includes a main sealing member having an annular groove opening on one side, and a sub-sealing member facing the main sealing member via the receiving ring. A first passage that communicates with the annular groove of the main seal member and opens on its inner and outer peripheral surfaces is provided in the receiving ring, and a second passage that opens on the outer peripheral surface of the ring and connects to the pressurizing device is provided in the receiving ring. A sealing device for a shaft body, characterized in that it is provided in the packing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989005704U JPH0296090U (en) | 1989-01-21 | 1989-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989005704U JPH0296090U (en) | 1989-01-21 | 1989-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0296090U true JPH0296090U (en) | 1990-07-31 |
Family
ID=31209310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989005704U Pending JPH0296090U (en) | 1989-01-21 | 1989-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0296090U (en) |
-
1989
- 1989-01-21 JP JP1989005704U patent/JPH0296090U/ja active Pending