JPS6356141A - Shaft seal mechanism - Google Patents

Shaft seal mechanism

Info

Publication number
JPS6356141A
JPS6356141A JP19961786A JP19961786A JPS6356141A JP S6356141 A JPS6356141 A JP S6356141A JP 19961786 A JP19961786 A JP 19961786A JP 19961786 A JP19961786 A JP 19961786A JP S6356141 A JPS6356141 A JP S6356141A
Authority
JP
Japan
Prior art keywords
shaft
flinger
sliding
shaft sealing
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.)
Pending
Application number
JP19961786A
Other languages
Japanese (ja)
Inventor
Taku Yoshioka
卓 吉岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP19961786A priority Critical patent/JPS6356141A/en
Publication of JPS6356141A publication Critical patent/JPS6356141A/en
Pending legal-status Critical Current

Links

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  • Motor Or Generator Frames (AREA)

Abstract

PURPOSE:To reduce abrasion of a rotary shaft and to facilitate repair, by a method wherein a slide ring is installed so as to surround the rotary shaft, and a flinger formed integral with the slide ring is installed. CONSTITUTION:A slide ring 4 together with a flinger 5 in integral constitution is installed on outer circumferential portion of a rotary shaft 6. The rotary shaft 6, the slide ring 4 and the flinger 5 can be rotated integrally without sliding, and also can be easily removed. In a slide member 4a of the cylindrical ring 4 with a shaft seal device 2, processing is performed so that abrasion due to sliding with the shaft seal device 2 does not occur easily and material excellent in anti-abrasion property is used, and the shaft 6 does not slide directly with the shaft seal device 2.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、液中で使用する回転軸の軸封機構に関するも
のである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a shaft sealing mechanism for a rotating shaft used in liquid.

従来の技術 近年、あらゆる製品に対して信頼性はもとより製品の長
寿命化が要求されていると同時に、消耗品に対しては、
部品交換が容易にしかも安価に出来る事が要求されてい
る。
Conventional technology In recent years, there has been a demand for not only reliability but also long life for all products, and at the same time, for consumables,
There is a demand for parts to be replaced easily and inexpensively.

以下、図面を参照しながら、上述した従来の回転軸の軸
封機構の一例について説明する。
Hereinafter, an example of the above-mentioned conventional shaft sealing mechanism for a rotating shaft will be described with reference to the drawings.

第4図、第5図は従来の回転軸の軸封機構の構成を示す
ものである。第4図において、1は軸封機構の固定側を
保持するブラケットである。2は軸封装置で、回転軸6
と摺動しながらシールを保つものである。3はシールカ
バーであり、軸封装置の外部に配置されている。5はフ
リンガーで、回転軸6に固定されて軸と共に回転してい
る。
FIGS. 4 and 5 show the structure of a conventional shaft sealing mechanism for a rotating shaft. In FIG. 4, 1 is a bracket that holds the fixed side of the shaft sealing mechanism. 2 is a shaft sealing device, and the rotating shaft 6
It maintains the seal while sliding. 3 is a seal cover, which is arranged outside the shaft sealing device. 5 is a flinger, which is fixed to the rotating shaft 6 and rotates together with the shaft.

以上のように構成された回転軸の軸封機構について、以
下その動作について説明する。
The operation of the rotary shaft sealing mechanism configured as described above will be described below.

回転軸6に固定されたフリンガ−5は、シールカバー3
と摺動しながら外部空間部8に含まれる異物等を振りと
ばし、内部7へ進入しないよう構成されている。シール
カバー3は、ブラケット1に固定され、常に静止してい
る。フリンガー5の先端のリップ部5aを通過して9の
部分へ入ったものについては、軸封装置の摺動部2aに
よって内部7に入る事を防止している。ブラケットlに
固定された軸封装置2は、一般にオイルシールや、パツ
キン等から構成されており、摺動部2aで軸6と摺動し
ながらシールを保っており、軸6に当接する摺動部2a
は、摺動による磨耗を防止するため焼入れ等、特殊な処
理を施しである。
The flinger 5 fixed to the rotating shaft 6 is attached to the seal cover 3
It is configured to shake off foreign substances contained in the external space 8 while sliding and prevent them from entering the interior 7. The seal cover 3 is fixed to the bracket 1 and always remains stationary. Anything that passes through the lip portion 5a at the tip of the flinger 5 and enters the portion 9 is prevented from entering the interior 7 by the sliding portion 2a of the shaft sealing device. The shaft sealing device 2 fixed to the bracket l is generally composed of an oil seal, a packing, etc., and maintains a seal while sliding on the shaft 6 at the sliding portion 2a. Part 2a
is specially treated, such as hardening, to prevent wear caused by sliding.

発明が解決しようとする問題点 しかしながら上記の様な構成では、軸6の回転する時間
が長くなればなるほど、摺動部2aの磨耗ははげしくな
り、最終的には、軸封装置2及び、軸6の磨耗のためシ
ールの効果はそこなわれる。
Problems to be Solved by the Invention However, with the above configuration, the longer the shaft 6 rotates, the more the sliding portion 2a will wear out, and eventually the shaft sealing device 2 and the shaft will wear out. 6, the effectiveness of the seal is impaired.

軸封装置2は、ブラケット1から脱着可能であり、新品
との交換が容易に行うことが出来るが、軸6の摺動部6
aは、磨耗がはげしく、軸6を新品と交換するか又は、
摺動部6aの傷を補修しなければならず、費用、時間と
も非常に大きくなるという問題点を有していた。
The shaft sealing device 2 is removable from the bracket 1 and can be easily replaced with a new one.
In case a, the wear is severe and the shaft 6 should be replaced with a new one, or
This poses a problem in that damage to the sliding portion 6a must be repaired, which increases cost and time.

本発明は上記問題点に鑑みてなされたもので、軸の磨耗
を防止し、しかも価格的にも安価な信頼性の高い軸封機
構を提供するものである。
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a highly reliable shaft sealing mechanism that prevents shaft wear and is inexpensive.

問題点を解決するための手段 上記問題点を解決するために本発明の軸封機構は、軸に
装着され、回転軸上一体に回転する円筒状の摺動環を設
け、この摺動環と一体的にフリンガーを設け、このフリ
ンガーの端部にリップを有し、固定側のブラケット面又
は、ブラケットに装着されたシールカバーに摺動させる
という構成を備えたものである。
Means for Solving the Problems In order to solve the above problems, the shaft sealing mechanism of the present invention is provided with a cylindrical sliding ring that is attached to the shaft and rotates integrally on the rotating shaft. This device has a structure in which a flinger is integrally provided, a lip is provided at the end of the flinger, and the flinger is slid on the fixed side bracket surface or the seal cover attached to the bracket.

作用 本発明は上記した構成によって、回転軸の外囲に、円筒
状の摺動環を設けることにより、軸封装置による直接軸
との摺動をさけることが出来、軸封装置が磨耗又は、損
傷した場合、回転軸本体には何ら損傷を及ぼさず、回転
軸に装着された軸封装置及び、固定側のシールカバーを
交換するのみで完了し、信頼性においても価格、交換時
間においても非常に有利となる。
Effect of the present invention With the above-described configuration, by providing a cylindrical sliding ring around the outer circumference of the rotating shaft, it is possible to avoid the shaft sealing device from directly sliding on the shaft, and the shaft sealing device can be prevented from being worn out or In the event of damage, there will be no damage to the rotating shaft body; all you need to do is replace the shaft sealing device attached to the rotating shaft and the seal cover on the fixed side, which is extremely efficient in terms of reliability, price, and replacement time. be advantageous to

実施例 以下、本発明の一実施例の軸封機構について、図面を参
照しながら説明する。
EXAMPLE Hereinafter, a shaft sealing mechanism according to an example of the present invention will be described with reference to the drawings.

第1図は本発明の第1の実施例における軸封機構の構成
を示すものである。第1図において、1は軸封機構の固
定側を保持するブラケット、2は軸封装置、3はシール
カバー、4は軸6に装着された円筒状の摺動環、5は円
筒状の摺動環4と一体に形成された弾力性のあるフリン
ガーで、先端にはリップ部5aが設けられている。6は
回転軸である。
FIG. 1 shows the configuration of a shaft sealing mechanism in a first embodiment of the present invention. In Fig. 1, 1 is a bracket that holds the fixed side of the shaft seal mechanism, 2 is a shaft seal device, 3 is a seal cover, 4 is a cylindrical sliding ring attached to the shaft 6, and 5 is a cylindrical sliding ring. It is a resilient flinger formed integrally with the moving ring 4, and has a lip portion 5a at its tip. 6 is a rotation axis.

以上のように構成された軸封機構について、以下その動
作を説明する。
The operation of the shaft sealing mechanism configured as described above will be described below.

第1図において、回転軸6の外周部にフリンガ−5を一
体にして構成した摺動環4を設け、回転軸6と摺動環4
及びフリンガー5は、すべる事なく一体に回転する事が
可能であり、又取りはずす事も容易に可能である。円筒
環4の軸封装置2との摺動部4aは、軸封装置2との摺
動によって容易に磨耗しない処理(例えば焼入れ処理又
は、チツ化処理又は、sicコーティング等)を行う事
により耐磨耗性を良(する材料を使用し、軸6は直接軸
封装置2とは摺動しない構成である。
In FIG. 1, a sliding ring 4 formed by integrating a flinger 5 is provided on the outer periphery of the rotating shaft 6, and the rotating shaft 6 and the sliding ring 4 are
and the flinger 5 can be rotated together without slipping, and can also be easily removed. The sliding portion 4a of the cylindrical ring 4 with the shaft sealing device 2 is made resistant by being subjected to a treatment (for example, hardening treatment, hardening treatment, SIC coating, etc.) that does not easily wear out due to sliding with the shaft sealing device 2. A material with good abrasion resistance is used, and the shaft 6 is constructed so that it does not directly slide on the shaft sealing device 2.

以上のように本実施例によれば、軸6の外周に同心状に
摺動環4とそれと一体となったフリンガー5を設けるこ
とにより、以下の様な効果がある。
As described above, according to this embodiment, by providing the sliding ring 4 and the flinger 5 integrated therewith concentrically around the outer periphery of the shaft 6, the following effects can be achieved.

(1)  コスト的に高くつく軸の磨耗をな(すること
が出来る。
(1) Abrasion of the shaft, which is costly, can be avoided.

(2)簡単な部品を交換するだけで、初期と同様の信頼
性を確保でき、コスト的に大きなメリットがある。
(2) Just by replacing simple parts, the same reliability as the initial one can be ensured, which has a significant cost advantage.

(3)  回転軸6は、直接の摺動部がな(なり、磨耗
に対する処理を必要としない。
(3) The rotating shaft 6 has no direct sliding parts and does not require any treatment to prevent wear.

等の利点がある。There are advantages such as

第2図及び第3図は、摺動環4と一体に構成されたフリ
ンガ−5の形状を、使用場所、取付寸法等を考慮して、
フリンガ一部の形状を、変えたものであり、第3図は、
シールカバーを廃止することにより、軸封機構全体の構
造を軸方向に薄くすることが可能である。
Figures 2 and 3 show the shape of the flinger 5, which is integrated with the sliding ring 4, taking into consideration the location of use, installation dimensions, etc.
The shape of part of the flinger is changed, and Figure 3 shows
By eliminating the seal cover, the structure of the entire shaft sealing mechanism can be made thinner in the axial direction.

なお、第1図、第2図、第3図において、軸封装置2は
、オイルシール1個としているが、複数個用いても良(
、又、潤滑性を持ったパツキンの類としても良い。
In addition, in FIGS. 1, 2, and 3, the shaft sealing device 2 has one oil seal, but a plurality of oil seals may be used.
Alternatively, it may be a type of packing material with lubricating properties.

発明の効果 以上のように本発明は、回転軸を包囲するように摺動環
をもうけ、摺動環と一体に形成されたフリンガーを設け
ることにより、回転軸の磨耗をな(し、安価で、修理の
容易な軸封機構を提供することができる。
Effects of the Invention As described above, the present invention provides a sliding ring surrounding the rotating shaft and a flinger formed integrally with the sliding ring, thereby reducing wear of the rotating shaft (and reducing the cost). , it is possible to provide a shaft sealing mechanism that is easy to repair.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例における軸封様構成の断面図
、第2図、第3図はそれぞれフリンガーの形状を変えた
他の実施例の断面図、第4図及び第5図は従来例の断面
図である。 1・・・・・・ブラケット、2・・・・・・軸封装置、
3・・・・・・シールカバー、4・・・・・・摺動環、
5・・・・・・フリンガー、5a・・・・・・リップ部
、6・・・・・・回転軸。 代理人の氏名 弁理士 中尾敏男 ほか1名1−−−プ
ラケ・斗
FIG. 1 is a cross-sectional view of a shaft seal-like structure in one embodiment of the present invention, FIGS. 2 and 3 are cross-sectional views of other embodiments in which the shape of the flinger is changed, and FIGS. 4 and 5 are It is a sectional view of a conventional example. 1... Bracket, 2... Shaft sealing device,
3...Seal cover, 4...Sliding ring,
5... Flinger, 5a... Lip portion, 6... Rotating shaft. Name of agent: Patent attorney Toshio Nakao and 1 other person 1 --- Plaquet To

Claims (1)

【特許請求の範囲】[Claims] 回転軸と軸封装置の摺動部との間に、軸に装着され、回
転軸と一体となって回転する円筒状の摺動環を設け、こ
の摺動環と一体的に形成されたフリンガーの先端部に固
定側のブラケット、又はブラケットに装着されたシール
カバーに摺動するリップ部を設けた軸封機構。
A cylindrical sliding ring that is attached to the shaft and rotates together with the rotating shaft is provided between the rotating shaft and the sliding part of the shaft sealing device, and a flinger is formed integrally with this sliding ring. A shaft sealing mechanism with a lip that slides on the fixed side bracket or the seal cover attached to the bracket at the tip.
JP19961786A 1986-08-26 1986-08-26 Shaft seal mechanism Pending JPS6356141A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19961786A JPS6356141A (en) 1986-08-26 1986-08-26 Shaft seal mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19961786A JPS6356141A (en) 1986-08-26 1986-08-26 Shaft seal mechanism

Publications (1)

Publication Number Publication Date
JPS6356141A true JPS6356141A (en) 1988-03-10

Family

ID=16410832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19961786A Pending JPS6356141A (en) 1986-08-26 1986-08-26 Shaft seal mechanism

Country Status (1)

Country Link
JP (1) JPS6356141A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111093A (en) * 1989-08-31 1992-05-05 Mitsubishi Denki K.K. Engine starter with dust seal arrangement
US5185544A (en) * 1991-03-25 1993-02-09 Mitsuba Electric Mfg. Co., Ltd. Ventilation structure in a vertically mounted motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111093A (en) * 1989-08-31 1992-05-05 Mitsubishi Denki K.K. Engine starter with dust seal arrangement
US5185544A (en) * 1991-03-25 1993-02-09 Mitsuba Electric Mfg. Co., Ltd. Ventilation structure in a vertically mounted motor

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