JPH0191165U - - Google Patents
Info
- Publication number
- JPH0191165U JPH0191165U JP18791287U JP18791287U JPH0191165U JP H0191165 U JPH0191165 U JP H0191165U JP 18791287 U JP18791287 U JP 18791287U JP 18791287 U JP18791287 U JP 18791287U JP H0191165 U JPH0191165 U JP H0191165U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- seal
- hole
- coolant
- rotating shaft
- 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
- 238000005192 partition Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 5
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は本考案を適用した遠心ポンプの側面図、
第２図は上記ポンプの軸封装置部分の縦断正面図
、第３図は第２図の―線の断面矢視図、第４
図は第２図の―線の断面図、第５図はポンピ
ングインペラーの正面図、第６図は第５図の―
線の断面矢視図である。
６…回転軸、７…シールハウジング、１０…固
定リング、１１…冷却液流入孔、１２…環状凹溝
、１３…冷却液流、１４…回転リング、１８…コ
イルばね、２０…摺接部、２１…ポンピングイン
ペラー、２１ａ…環状仕切り壁部、２１ｂ…円筒
部、２１ｅ…傾斜羽根、２２ａ…流入側空間、２
２ｂ…流出側空間、２３…通液孔、ｔ１，ｔ２…
小間隙。
The drawings show one embodiment of the present invention,
Figure 1 is a side view of a centrifugal pump to which the present invention is applied.
Fig. 2 is a longitudinal sectional front view of the shaft sealing device portion of the pump, Fig. 3 is a sectional view taken along the - line in Fig. 2, and Fig. 4
The figure is a cross-sectional view taken along the - line in Fig. 2, Fig. 5 is a front view of the pumping impeller, and Fig. 6 is a sectional view taken along the - line in Fig. 5.
FIG. 3 is a cross-sectional view of the line. 6...Rotating shaft, 7...Seal housing, 10...Fixing ring, 11...Cooling liquid inflow hole, 12...Annular groove, 13...Cooling liquid flow, 14...Rotating ring, 18...Coil spring, 20...Sliding contact part, DESCRIPTION OF SYMBOLS 21... Pumping impeller, 21a... Annular partition wall part, 21b... Cylindrical part, 21e... Inclined vane, 22a... Inflow side space, 2
2b...Outflow side space, 23...Liquid passage hole, t1 , t2 ...
small gap.
Claims (1)
より相互に圧接するシールハウジング側の固定リ
ングと回転軸側の回転リングとの摺接部で密封さ
れ、該ハウジングの一端側に冷却液流入孔が形成
され、同他端側に冷却液流出孔が形成されてなる
メカニカルシールにおいて、回転軸に固着されて
上記ハウジング内を流入側空間と流出側空間とに
区画し、かつハウジング内周面との間で小間隙を
形成する環状仕切り壁部と、該仕切り壁部の流出
孔側の側面に固着されて回転軸を取囲む円筒部と
、該円筒部の上記流出孔近傍に位置した開口端縁
に沿つて所定間隔で固着され且つハウジング内端
面との間で小間隙を形成する複数板の羽根とで構
成されたポンピングインペラーが配設され、かつ
該インペラーの環状仕切り壁部に円筒部よりも内
側位置で上記両空間を連通する通液孔が形成され
ていることを特徴とするメカニカルシール。 ２ 冷却液流出孔がシールハウジングの内周に対
して接線方向に穿設されてなる実用新案登録請求
の範囲第１項記載のメカニカルシール。 ３ シールハウジングの冷却液流出孔側の端部内
面に環状凹溝が形成され、この溝底に冷却液流出
孔が開口してなる実用新案登録請求の範囲第１項
または第２項記載のメカニカルシール。[Claims for Utility Model Registration] 1. Both ends of the seal housing are sealed at sliding contact portions between a fixed ring on the seal housing side and a rotating ring on the rotating shaft side, which are pressed against each other by spring force, and one end of the housing A mechanical seal having a coolant inflow hole and a coolant outflow hole formed at the other end thereof, the mechanical seal being fixed to a rotating shaft to partition the inside of the housing into an inflow side space and an outflow side space; an annular partition wall forming a small gap with the inner circumferential surface; a cylindrical part fixed to the side surface of the partition wall on the outflow hole side and surrounding the rotating shaft; A pumping impeller configured with a plurality of blades fixed at predetermined intervals along the positioned opening edge and forming a small gap with the inner end surface of the housing is disposed, and an annular partition wall portion of the impeller. A mechanical seal characterized in that a liquid passage hole is formed at a position inside the cylindrical portion to communicate the two spaces. 2. The mechanical seal according to claim 1, wherein the coolant outflow hole is formed tangentially to the inner periphery of the seal housing. 3. The mechanical device according to claim 1 or 2, wherein an annular groove is formed on the inner surface of the end of the seal housing on the coolant outlet side, and the coolant outlet hole is opened at the bottom of the groove. sticker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987187912U JPH0518533Y2 (en) | 1987-12-10 | 1987-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987187912U JPH0518533Y2 (en) | 1987-12-10 | 1987-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0191165U true JPH0191165U (en) | 1989-06-15 |
| JPH0518533Y2 JPH0518533Y2 (en) | 1993-05-17 |
Family
ID=31479041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987187912U Expired - Lifetime JPH0518533Y2 (en) | 1987-12-10 | 1987-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518533Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57124157A (en) * | 1981-01-26 | 1982-08-02 | Hitachi Ltd | Shaft seal device internally cooled by forcible circulation |
| JPS60147859U (en) * | 1984-03-13 | 1985-10-01 | 内山工業株式会社 | Cushion ring for mechanical seal |
-
1987
- 1987-12-10 JP JP1987187912U patent/JPH0518533Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57124157A (en) * | 1981-01-26 | 1982-08-02 | Hitachi Ltd | Shaft seal device internally cooled by forcible circulation |
| JPS60147859U (en) * | 1984-03-13 | 1985-10-01 | 内山工業株式会社 | Cushion ring for mechanical seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518533Y2 (en) | 1993-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4715777A (en) | Lateral channel supply pump | |
| JPH0191165U (en) | ||
| US2247335A (en) | Pump | |
| KR860000485A (en) | Wing wheel of centrifugal blower | |
| JPS6326798U (en) | ||
| JPH0249996A (en) | Eddy current vacuum pump | |
| JPS6242211Y2 (en) | ||
| JPS598433Y2 (en) | Support device for submerged motor | |
| JPS62193195U (en) | ||
| JPS6220713Y2 (en) | ||
| KR960010208Y1 (en) | Main body of circulating pump for boiler | |
| JPS58183990U (en) | small vane pump | |
| JPS60108795U (en) | Circumferential flow liquid pump | |
| JPH0353676U (en) | ||
| JPS6274187U (en) | ||
| JPS6220191U (en) | ||
| JPH0259220U (en) | ||
| JPS6210287U (en) | ||
| JPS595793U (en) | Canned motor pump for hot water circulation | |
| JPS61144219U (en) | ||
| JPS62190897U (en) | ||
| JPS6021502U (en) | Seal device at the tip of moving blade | |
| JPS61189749U (en) | ||
| JPS59149451U (en) | Bearing structure of canned motor pump | |
| JPS61144296U (en) |