JPH0227064U - - Google Patents
Info
- Publication number
- JPH0227064U JPH0227064U JP10637688U JP10637688U JPH0227064U JP H0227064 U JPH0227064 U JP H0227064U JP 10637688 U JP10637688 U JP 10637688U JP 10637688 U JP10637688 U JP 10637688U JP H0227064 U JPH0227064 U JP H0227064U
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- gland packing
- shaft
- circumferential surface
- liquid
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 24
- 238000012856 packing Methods 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Description
図面はこの考案の一実施例を示し、第１図は第
１実施例のグランドパツキンの軸封構造を示す縦
断側面図、第２図は第２実施例のグランドパツキ
ンの軸封構造を示す縦断側面図、第３図は第３実
施例のグランドパツキンの軸封構造を示す縦断側
面図、第４図は径方向と軸方向の接触面圧の分布
説明図、第５図は従来例のグランドパツキンの軸
封構造を示す縦断側面図である。
１…軸封部、２…軸孔、３…回転軸、４…グラ
ンドパツキン、４ａ，１５ａ…端面、６…環状段
部、６ａ，１１ａ…シール面、８…パツキン押え
、９…ボルト軸、１０…締付けナツト、１１…摺
動リング、１３，１３′，１４…スプリング、１
５…パツキンリング。
The drawings show one embodiment of this invention, and FIG. 1 is a longitudinal sectional side view showing the shaft sealing structure of the gland packing of the first embodiment, and FIG. 2 is a longitudinal sectional view showing the shaft sealing structure of the gland packing of the second embodiment. 3 is a longitudinal sectional side view showing the shaft sealing structure of the gland packing of the third embodiment, FIG. 4 is an explanatory diagram of the distribution of contact surface pressure in the radial direction and the axial direction, and FIG. 5 is the gland of the conventional example. FIG. 3 is a longitudinal sectional side view showing the shaft sealing structure of the packing. DESCRIPTION OF SYMBOLS 1... Shaft sealing part, 2... Shaft hole, 3... Rotating shaft, 4... Gland packing, 4a, 15a... End face, 6... Annular step part, 6a, 11a... Seal surface, 8... Packing holder, 9... Bolt shaft, 10...Tightening nut, 11...Sliding ring, 13, 13', 14...Spring, 1
5... Patsukin ring.
Claims (1)
回転軸の外周面との隙間をシールするグランドパ
ツキンの軸封構造であつて、 上記グランドパツキンの封液側端面に対向して
回転軸の封液側外周面にシール面を形成し、 上記シール面に対してグランドパツキンを軸方
向に加圧し、該グランドパツキンの内周面を回転
軸の外周面に密着すると共に、該グランドパツキ
ンの封液側端面を前記シール面に密着する グランドパツキンの軸封構造。 (2) 軸封部の軸孔内周面と、該軸孔に挿通した
回転軸の外周面との隙間をシールするグランドパ
ツキンの軸封構造であつて、 上記グランドパツキンの封液側端面に対向して
回転軸の封液側外周面にシール面を形成し、 上記シール面に対してグランドパツキンを軸方
向に加圧し、該グランドパツキンの内周面を回転
軸の外周面に密着すると共に、該グランドパツキ
ンの封液側端面に設けたパツキンリングの封液側
端面を前記シール面に密着する グランドパツキンの軸封構造。[Claims for Utility Model Registration] (1) A shaft sealing structure of a gland packing that seals the gap between the inner circumferential surface of a shaft hole of a shaft sealing part and the outer circumferential surface of a rotating shaft inserted into the shaft hole, which A sealing surface is formed on the liquid-sealing side outer circumferential surface of the rotating shaft opposite to the liquid-sealing side end surface of the gland packing, and the gland packing is pressurized in the axial direction against the sealing surface to rotate the inner circumferential surface of the gland packing. A shaft sealing structure of a gland packing that is in close contact with the outer peripheral surface of a shaft and in which an end surface on the liquid sealing side of the gland packing is in close contact with the sealing surface. (2) A shaft sealing structure of a gland packing that seals a gap between the inner circumferential surface of the shaft hole of the shaft sealing part and the outer circumferential surface of the rotating shaft inserted into the shaft hole, wherein the gland packing has a liquid-sealing side end surface. A sealing surface is formed on the outer circumferential surface of the rotating shaft on the liquid sealing side facing each other, and a gland packing is pressurized in the axial direction against the sealing surface, and the inner circumferential surface of the gland packing is brought into close contact with the outer circumferential surface of the rotating shaft. A shaft sealing structure for a gland packing, wherein a sealing liquid side end surface of a packing ring provided on a sealing liquid side end surface of the gland packing is brought into close contact with the sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106376U JPH0722531Y2 (en) | 1988-08-10 | 1988-08-10 | Gland packing shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106376U JPH0722531Y2 (en) | 1988-08-10 | 1988-08-10 | Gland packing shaft seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0227064U true JPH0227064U (en) | 1990-02-22 |
| JPH0722531Y2 JPH0722531Y2 (en) | 1995-05-24 |
Family
ID=31339829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988106376U Expired - Lifetime JPH0722531Y2 (en) | 1988-08-10 | 1988-08-10 | Gland packing shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722531Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138860U (en) * | 1982-03-15 | 1983-09-19 | 株式会社荏原製作所 | Powder sealing device |
-
1988
- 1988-08-10 JP JP1988106376U patent/JPH0722531Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138860U (en) * | 1982-03-15 | 1983-09-19 | 株式会社荏原製作所 | Powder sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722531Y2 (en) | 1995-05-24 |
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