JPS6233117Y2 - - Google Patents
Info
- Publication number
- JPS6233117Y2 JPS6233117Y2 JP1981100118U JP10011881U JPS6233117Y2 JP S6233117 Y2 JPS6233117 Y2 JP S6233117Y2 JP 1981100118 U JP1981100118 U JP 1981100118U JP 10011881 U JP10011881 U JP 10011881U JP S6233117 Y2 JPS6233117 Y2 JP S6233117Y2
- Authority
- JP
- Japan
- Prior art keywords
- floating ring
- collar
- circumferential surface
- rotating shaft
- ring 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.)
- Expired
Links
- 239000013013 elastic material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
【考案の詳細な説明】
本考案はフローテイングリングの改良に関す
る。回転機器、たとえばポンプにおいて、ポンプ
箱内圧が負圧であつたり、シール圧の蒸気圧とポ
ンプ箱内圧が近似している場合、ポンプ箱内に圧
力の絞り部を設けてポンプ箱内を昇圧する必要が
あるが、このとき一般にポンプの回転軸と、該回
転軸を軸設するポンプ箱（静止側）の軸孔周面に
フローテイングリングを挿着することが行われて
いる。しかしポンプが二つ割り両持ち式であつた
りするとフローテイングリングをポンプ箱（静止
側）に装着することが困難であり、その着脱作業
性を改良することが望まれてきた。[Detailed Description of the Invention] The present invention relates to an improvement of a floating ring. In rotating equipment, such as pumps, if the internal pressure of the pump box is negative or the vapor pressure of the seal pressure and the internal pressure of the pump box are similar, a pressure restrictor is installed inside the pump box to increase the pressure inside the pump box. Although necessary, a floating ring is generally inserted into the rotating shaft of the pump and the circumferential surface of the shaft hole of the pump box (stationary side) in which the rotating shaft is installed. However, if the pump is divided into two parts, it is difficult to attach the floating ring to the pump box (stationary side), and it has been desired to improve the ease of attaching and detaching the floating ring.
本考案は上記問題に鑑み、フローテイングリン
グを回転軸（回転側）に装着させるとともに該回
転軸に対して嵌着固定されるようになるカラー
と、該カラーに弾性材製環状シール部材を介して
外挿されこのカラーとともに回転するフローテイ
ングリング部材とを有し、カラーの外周面とフロ
ーテイングリング部材の内周面との隙間が静止側
部材の軸孔周面とフローテイングリング部材の外
周面との隙間より大きく構成され、もつて着脱作
業を容易にするとともに昇圧効果に優れ、さらに
前記環状弾性材を弾性力によつてフローテイング
リング部材の破損を防止するとともに自動調芯性
を有するフローテイングリングを提供せんとする
ものである。 In view of the above-mentioned problems, the present invention has been developed by installing a floating ring on a rotating shaft (rotating side), and a collar that is fitted and fixed to the rotating shaft, and an annular sealing member made of an elastic material interposed in the collar. and a floating ring member that rotates with the collar, and the gap between the outer circumferential surface of the collar and the inner circumferential surface of the floating ring member is equal to the gap between the shaft hole circumferential surface of the stationary side member and the outer circumference of the floating ring member. It is configured to be larger than the gap between the floating ring and the surface, making it easy to attach and detach the ring, and has an excellent pressure increasing effect.Furthermore, the elastic force of the annular elastic member prevents damage to the floating ring member and has self-aligning properties. The purpose is to provide a floating ring.
以下、本考案の実施例を図面にしたがつて説明
すると、第１図はフローテイングリングを示すも
ので、回転機器の回転軸ａに装着されて、該回転
軸ａを軸設する静止側部材ｂの軸孔周面ｃと対向
するようになり、カラー１、セツトスクリユー
２、フローテイングリング部材３および弾性材製
環状シール部材であるＯリング５，５、そしてカ
ラー１と回転軸ａ間の封塞用のＯリング４から構
成されてなる。カラー１はその内径を回転軸ａの
直径と略同一にし、前端に設けられた環状の大径
部１ａに穿設された雌ネジ孔１ｂにセツトスクリ
ユー２を螺合して回転軸ａに対して嵌着固定され
ている。またその内周面略中央には環状溝部１ｃ
が形成され、該部封塞用のＯリング４が嵌着され
ている。フローテイングリング部材３はその外径
を前記静止側部材ｂの軸孔内径より僅かに小さく
形成されるとともにその内径をカラー１の外径よ
り大きく形成されてなり、カラー１に対して外挿
されている。また該フローテイングリング部材３
の前端内周には凹部３ａが形成され、これに対応
するようにカラー１の大径部１ａに形成された凸
部１ｄが軸方向に係合して回転軸ａの回転を伝え
るようになり、フローテイングリング部材はカラ
ーとともに回転する。さらにカラー１の小径部１
ｅ外周には二つの環状溝部１ｆ，１ｆが形成され
ており、該環状溝部１ｆ，１ｆに嵌合されたＯリ
ング５，５が前記フローテイングリング部材３の
内周に当接し、カラー１の小径部１ｅ外周面とフ
ローテイングリング部材３の内周面との隙間d2は
静止側部材ｂの軸孔周面ｃとフローテイングリン
グ部材３の外周面との隙間d1よりも大きく構成さ
れている。なお図中左側がインペラ側、右側が大
気側となる。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 shows a floating ring, which is a stationary side member that is attached to a rotating shaft a of a rotating device and that supports the rotating shaft a. The collar 1, the set screw 2, the floating ring member 3, the O-rings 5, 5 which are annular seal members made of elastic material, and the space between the collar 1 and the rotating shaft a. It is composed of an O-ring 4 for sealing. The collar 1 has an inner diameter that is approximately the same as the diameter of the rotating shaft a, and is attached to the rotating shaft a by screwing a set screw 2 into a female threaded hole 1b drilled in an annular large-diameter portion 1a provided at the front end. It is fitted and fixed in place. Also, approximately in the center of the inner circumferential surface is an annular groove 1c.
is formed, and an O-ring 4 for sealing this part is fitted. The floating ring member 3 has an outer diameter slightly smaller than the inner diameter of the shaft hole of the stationary side member b, and an inner diameter larger than the outer diameter of the collar 1, and is fitted onto the collar 1. ing. Also, the floating ring member 3
A concave portion 3a is formed on the inner periphery of the front end of the collar 1, and a convex portion 1d formed on the large diameter portion 1a of the collar 1 engages with the concave portion 3a in the axial direction to transmit the rotation of the rotating shaft a. , the floating ring member rotates with the collar. Furthermore, small diameter part 1 of collar 1
e Two annular grooves 1f, 1f are formed on the outer periphery, and the O-rings 5, 5 fitted in the annular grooves 1f, 1f abut against the inner periphery of the floating ring member 3, and The gap d 2 between the outer circumferential surface of the small diameter portion 1 e and the inner circumferential surface of the floating ring member 3 is configured to be larger than the gap d 1 between the shaft hole circumferential surface c of the stationary side member b and the outer circumferential surface of the floating ring member 3. ing. In the figure, the left side is the impeller side, and the right side is the atmosphere side.
第２図は以上のような構成なるフローテイング
リングを上下二つ割り両持ち式のポンプに装着し
た状態を示すもので、回転軸ａに外挿固着された
スリーブｄに前記カラー１が嵌着固定されてお
り、回転軸ａを軸設する静止側部材たるスタフイ
ンボツクスb′の軸孔周面ｃに対してフローテイン
グリング部材３が対向している。ｅは当該フロー
テイングリングの大気側（図中右側）に装着され
たメカニカルシールであり、当該ポンプは箱内圧
が負圧となるためメカニカルシールｅの摺動材が
乾燥摩擦し、摩耗が促進される懸念がある。そこ
でポンプ箱内圧を昇圧し、正圧にするためにメカ
ニカルシールｅよりもインペラ側（図中左側）に
絞り部を設ける必要を生じ、上記のようなフロー
テイングリングを絞り部として装着したものであ
る。 Figure 2 shows the floating ring constructed as described above attached to a pump that is divided into upper and lower halves and is supported on both sides. The floating ring member 3 faces the shaft hole circumferential surface c of a stuff-in box b', which is a stationary member on which the rotating shaft a is mounted. e is a mechanical seal installed on the atmospheric side (right side in the figure) of the floating ring, and since the box internal pressure of the pump becomes negative, the sliding material of the mechanical seal e experiences dry friction, accelerating wear. There are concerns that Therefore, in order to increase the internal pressure of the pump box and make it a positive pressure, it became necessary to provide a constriction part on the impeller side (left side in the figure) from the mechanical seal e, and a floating ring as described above was installed as the constriction part. be.
本考案は以上のような構成になり、ポンプ等回
転機器の回転軸またはスリーブ（回転側）に装着
するものであるため、特に二つ割り両持ち式のポ
ンプにおいてその着脱作業を容易にすることがで
き、メカニカルシールの分解、組み込みと同時に
当該フローテイングリングを分解、組み込みする
ことができ、ポンプ自体の分解は不要となる。ま
た、フローテイングリング部材はシール部材を介
してカラーに外挿されているのでこれらの間は効
果的に封塞される。そして、シール部材は弾性材
製環状部材であるからこの弾性力によりフローテ
イングリング部材が静止側部材と接触した場合の
衝撃力を吸収できる。また、カラーの外周面とフ
ローテイングリング部材の内周面との隙間は静止
側部材の軸孔周面とフローテイングリング部材の
外周面との隙間より大きいので、軸振れによつて
回転軸の軸心が偏心してしまいフローテイングリ
ング部材の外周面の一部分が静止側部材の軸孔周
面に接触するようになつても、フローテイングリ
ング部材は正常な軸心位置に復帰することが可能
となる。したがつて、フローテイングリング部材
と静止側部材との隙間が一部分で大きくなつてし
まうということがないのですぐれた昇圧効果を有
することとなる。 The present invention has the above-mentioned configuration and is attached to the rotating shaft or sleeve (rotating side) of a rotating device such as a pump, so it can be easily attached and detached, especially in the case of a split double-end type pump. , the floating ring can be disassembled and assembled at the same time as the mechanical seal, and there is no need to disassemble the pump itself. Furthermore, since the floating ring member is fitted over the collar via the seal member, the space between them is effectively sealed. Since the seal member is an annular member made of an elastic material, the elastic force can absorb the impact force when the floating ring member comes into contact with the stationary side member. In addition, since the gap between the outer circumferential surface of the collar and the inner circumferential surface of the floating ring member is larger than the gap between the shaft hole circumferential surface of the stationary side member and the outer circumferential surface of the floating ring member, the rotation shaft may be Even if the shaft center becomes eccentric and a part of the outer peripheral surface of the floating ring member comes into contact with the shaft hole peripheral surface of the stationary side member, the floating ring member can return to the normal shaft center position. Become. Therefore, since the gap between the floating ring member and the stationary side member does not become large in one part, an excellent pressurizing effect can be achieved.
図面は本考案の実施例を示すもので、第１図は
フローテイングリングの半裁正断面図、第２図は
フローテイングリングの装着状態を示すポンプの
要部半裁正断面図である。
１……カラー、１ａ……大径部、１ｂ……雌ネ
ジ孔、１ｃ，１ｆ……環状溝部、１ｄ……凸部、
１ｅ……小径部、２……セツトスクリユー、３…
…フローテイングリング部材、３ａ……凹部、
４，５……Ｏリング、ａ……回転軸、ｂ……静止
側部材、b′……スタフインボツクス、ｃ……軸孔
周面、ｄ……スリーブ、ｅ……メカニカルシー
ル。
The drawings show an embodiment of the present invention, and FIG. 1 is a half-cut sectional view of a floating ring, and FIG. 2 is a half-cut sectional view of a main part of a pump showing a state in which the floating ring is attached. 1... Collar, 1a... Large diameter part, 1b... Female screw hole, 1c, 1f... Annular groove, 1d... Convex part,
1e...Small diameter section, 2...Set screw, 3...
... Floating ring member, 3a ... recess,
4, 5... O-ring, a... Rotating shaft, b... Stationary side member, b'... Stuff-in box, c... Shaft hole circumferential surface, d... Sleeve, e... Mechanical seal.
Claims (1)
れたスリーブに装着されて、該回転軸を軸設する
静止側部材の軸孔周面と対向するフローテイング
リングであつて、前記回転軸または前記スリーブ
に対して嵌着固定されるカラーと、該カラーに対
して弾性材製環状シール部材を介して外挿され前
記カラーとともに回転するフローテイングリング
部材とを有してなり、前記カラーの外周面と前記
フローテイングリング部材の内周面との隙間は前
記静止側部材の軸孔周面と前記フローテイングリ
ング部材の外周面との隙間より大きいことを特徴
とするフローテイングリング。 A floating ring that is attached to a rotating shaft of a rotating device or a sleeve externally fixed to the rotating shaft and faces a shaft hole circumferential surface of a stationary side member that supports the rotating shaft, the floating ring The outer periphery of the collar includes a collar that is fitted and fixed to the sleeve, and a floating ring member that is fitted onto the collar via an annular seal member made of an elastic material and rotates together with the collar. A floating ring characterized in that a gap between the surface and an inner circumferential surface of the floating ring member is larger than a gap between a shaft hole circumferential surface of the stationary side member and an outer circumferential surface of the floating ring member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10011881U JPS586045U (en) | 1981-07-07 | 1981-07-07 | floating ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10011881U JPS586045U (en) | 1981-07-07 | 1981-07-07 | floating ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS586045U JPS586045U (en) | 1983-01-14 |
| JPS6233117Y2 true JPS6233117Y2 (en) | 1987-08-24 |
Family
ID=29894824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10011881U Granted JPS586045U (en) | 1981-07-07 | 1981-07-07 | floating ring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS586045U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641196B2 (en) * | 1978-08-25 | 1981-09-26 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6135760Y2 (en) * | 1979-09-08 | 1986-10-17 |
-
1981
- 1981-07-07 JP JP10011881U patent/JPS586045U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641196B2 (en) * | 1978-08-25 | 1981-09-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS586045U (en) | 1983-01-14 |
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