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KR200301814Y1 - Rotating Oil Seal - Google Patents

Rotating Oil Seal Download PDF

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Publication number
KR200301814Y1
KR200301814Y1 KR2019980012149U KR19980012149U KR200301814Y1 KR 200301814 Y1 KR200301814 Y1 KR 200301814Y1 KR 2019980012149 U KR2019980012149 U KR 2019980012149U KR 19980012149 U KR19980012149 U KR 19980012149U KR 200301814 Y1 KR200301814 Y1 KR 200301814Y1
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KR
South Korea
Prior art keywords
bearing
shaft
oil seal
brass plate
ring
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 - Fee Related
Application number
KR2019980012149U
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Korean (ko)
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KR20000002354U (en
Inventor
황정환
Original Assignee
주식회사 포스코
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Priority to KR2019980012149U priority Critical patent/KR200301814Y1/en
Publication of KR20000002354U publication Critical patent/KR20000002354U/en
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Publication of KR200301814Y1 publication Critical patent/KR200301814Y1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/164Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00Seal for a joint or juncture
    • Y10S277/908Seal for use in rotating and reciprocating arrangement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00Seal for a joint or juncture
    • Y10S277/91O-ring seal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)

Abstract

본 고안은 회전기기의 윤활유가 축(shaft)으로 흘러나오는 것을 방지하는 오일 실이 회전이 가능하도록 하여 오일 실(oil seal) 및 축의 마모를 방지하여 윤활유 누설을 방지할 수 있는 회전형 오일 실에 관한 것이다.The present invention provides a rotatable oil seal that can prevent oil leakage by preventing oil seal and abrasion of the oil seal by allowing the oil seal to rotate to prevent the lubricant of the rotating machine from flowing out to the shaft. It is about.

본 고안은 축의 외측에 베어링이 끼워맞춤 되고, 상기 베어링의 외측에서 베어링을 수용하는 베어링 하우징과, 상기 베어링에 접하고 상기 베어링 하우징에 조립되며 중심에 축이 장착될수 있는 개구가 형성된 베어링 커버와, 상기 베어링 하우징내에 급유된 윤활유가 외부로 유출되는 것을 방지하는 오일실로 이루어진 밀봉장치에서, 내연부에 내경오링 홈을 구비하여 상기 내경오링 홈에 내경오링을 삽입하여 상기 베어링 커버에 형성된 개구 내의 축과 함께 회전가능하게 장착되는 폐고리 형태로 이루진 후단황동판과, 상기 후단황동판의 상부에 접하여 상기 축에 장착되되, 외연부에 외경오링홈을 구비하여 상기 외경오링홈에 외경오링을 삽입하고, 상기 베어링 커버에 고정되는 폐고리 형태의 전단황동판과, 상기 전단황동판과 상기 후단황동판 사이에 삽입되는 다수의 금속볼로 이루어진 것을 특징으로 하는 회전형 오일 실을 요지로 한다.The present invention is a bearing cover is fitted to the outside of the shaft, the bearing housing for receiving the bearing from the outside of the bearing, a bearing cover formed in contact with the bearing and assembled in the bearing housing and the shaft can be mounted in the center, and In the sealing device consisting of an oil chamber to prevent the lubricating oil lubricated in the bearing housing from leaking to the outside, the inner ring is provided with an inner diameter o-ring groove, the inner diameter o-ring groove is inserted into the inner diameter o-ring groove, together with the shaft formed in the bearing cover The rear end brass plate made of a rotatable ring shape and rotatably mounted in contact with an upper portion of the rear end brass plate is mounted on the shaft, and provided with an outer diameter o ring groove at the outer edge thereof to insert an outer diameter o ring into the outer diameter o ring groove, and the bearing. A closed-type shear brass plate fixed to a cover, the shear brass plate and the rear stage brass plate Rotating oil seal, characterized in that consisting of a plurality of metal balls inserted into the main point.

Description

회전형 오일 실Rotary oil seal

본 고안은 회전형 오일 실에 관한 것으로서, 특히 회전기기의 동력을 전달하는 축에 윤활유가 흘러 나오는 것을 방지함은 물론, 회전기기의 수명향상과 윤활유 소모를 줄여 원가를 절감할 수 있는 회전형 오일 실에 관한 것이다.The present invention relates to a rotating oil seal, in particular, to prevent the lubricant from flowing out of the shaft that transmits the power of the rotating machine, as well as to improve the lifespan of the rotating machine and reduce the consumption of the lubricating oil, thereby reducing the cost of the rotating oil. It's about thread.

일반적으로 회전기기의 운동하는 축과 접촉하면서 윤활유 누설을 방지하는 오일 실은 합성고무 재질로서 립(lip)이 축에 접하고 그 사이의 유막에 의해 밀봉을 한다.In general, the oil seal which is in contact with the moving shaft of the rotating machine to prevent the leakage of lubricating oil is a synthetic rubber material, the lips are in contact with the shaft and sealed by an oil film therebetween.

도 1은 종래의 기술에 따른 합성 고무재료의 오일실 조립 상태를 나타낸 단면도이고, 도 2는 종래의 기술에 따른 합성 고무재료의 오일실 조립 상태를 나타낸 상세도로서, 일반적인 회전기기의 오일 실은 베어링 하우징(11)에 베어링(14)이 조립되고 베어링(14)을 고정하는 베어링 커버(12)가 양측면에 조립된다.1 is a cross-sectional view showing the oil seal assembly state of the synthetic rubber material according to the prior art, Figure 2 is a detailed view showing the oil seal assembly state of the synthetic rubber material according to the prior art, the oil seal of the general rotary machine bearing The bearing 14 is assembled to the housing 11, and the bearing cover 12 for fixing the bearing 14 is assembled to both sides.

상기 축(13)의 회전시 베어링 하우징(11)내에 주유된 윤활유가 축(13)과 베어링커버(12)사이로 흘러 나오는 것을 방지하기 위해 밀봉장치인 오일 실(15)을 삽입한다. 그런데 합성고무 재질로 된 종래의 기술에 의한 오일 실(15)은 축(13) 회전시 축(13)과의 마찰에 의해 오일 실(15)의 립(lip) 선단부(15c)의 열화, 마모 및 축(13)의 마모, 용수철(15a)탈락 등으로 인해 윤활유가 누설된다.The oil seal 15, which is a sealing device, is inserted to prevent the lubricating oil oiled in the bearing housing 11 from flowing between the shaft 13 and the bearing cover 12 when the shaft 13 rotates. However, the oil seal 15 according to the related art made of a synthetic rubber material deteriorates and wears the lip tip 15c of the oil seal 15 due to friction with the shaft 13 when the shaft 13 rotates. And lubricating oil leaks due to abrasion of the shaft 13, falling off of the spring 15a, and the like.

이로 인하여 잦은 오일 실(15) 교환과 미처 이를 발견치 못하였을 시, 회전기기 베어링 또는 기어의 파손으로 어어짐은 물론 불씨에 인화되어 화재를 유발시키는 문제점이 있었다.As a result, when the oil seal 15 is frequently exchanged and not found, there is a problem of causing a fire by igniting a ember as well as a breakage of a bearing or a gear of a rotating machine.

본 고안은 상술한 문제점을 해결하기 위한 것으로서, 회전체의 원활한 회전을 위하여 이용되고 있는 베어링의 윤활유가 누설되는 것을 방지할 수 있도록 오링의 구조를 개선하여 오링이 축과 마찰되어 마모되는 것을 방지하므로서 윤활유의 누설을 방지할 수 있는 회전형 오일 실을 제공하는데 그 목적이 있다.The present invention is to solve the above problems, by improving the structure of the O-ring to prevent the leakage of the lubricating oil of the bearings used for smooth rotation of the rotating body to prevent the O-ring from rubbing against the shaft wear It is an object of the present invention to provide a rotatable oil seal which can prevent leakage of lubricating oil.

상술한 목적을 달성하기 위한 본 고안은 축의 외측에 베어링이 끼워맞춤 되고, 상기 베어링의 외측에서 베어링을 수용하는 베어링 하우징과, 상기 베어링에 접하고 상기 베어링 하우징에 조립되며 중심에 축이 장착될수 있는 개구가 형성된 베어링 커버로 구성되어, 상기 베어링 하우징내에 급유된 윤활유가 외부로 유출되는 것을 방지하는 오일 실에 있어서, 내연부에 내경오링 홈을 구비하여 상기 내경오링 홈에 내경오링을 삽입하여 상기 베어링 커버에 형성된 개구 내의 축과 함께 회전가능하게 장착되는 폐고리 형태로 이루진 후단황동판과, 상기 후단황동판의 상부에 접하여 상기 축에 장착되되, 외연부에 외경오링홈을 구비하여 상기 외경오링홈에 외경오링을 삽입하고, 상기 베어링 커버에 고정되는 폐고리 형태의 전단황동판과, 상기 전단황동판과 상기 후단황동판 사이에 삽입되는 다수의 금속볼과, 상기 금속볼이 빠져나오지 않도록 상기 전단황동판에 관통 설치된 멈춤나사로 이루어진 것을 특징으로 하는 회전형 오일 실에 의하여 달성된다.The present invention for achieving the above object is a bearing housing is fitted to the outside of the shaft, the bearing housing for receiving the bearing on the outside of the bearing, the opening in contact with the bearing and assembled to the bearing housing, the shaft can be mounted in the center In the oil seal which is formed of a bearing cover is formed, the lubricating oil lubricated in the bearing housing is prevented from leaking to the outside, the inner ring is provided with an inner diameter o-ring groove, the inner diameter o-ring groove is inserted into the inner diameter o-ring groove to insert the bearing cover. The rear end brass plate is formed in the form of a closed loop rotatably mounted with the shaft in the opening formed in the opening, and is mounted on the shaft in contact with the upper portion of the rear end brass plate, the outer diameter is provided with an outer diameter o-ring groove in the outer diameter o-ring groove Inserting an O-ring, the shear ring of the closed ring type fixed to the bearing cover and the shear brass And the plurality of metal balls to be interposed between the rear end of brass plate, said metal ball is located achieved by a rotatable oil chamber, characterized in that the stop screw is installed through the front end such a way that they do not made of brass plate.

도 1은 종래의 기술에 따른 합성 고무재료의 오일 실 조립 상태를 나타낸 단면도.1 is a cross-sectional view showing an oil seal assembly state of a synthetic rubber material according to the prior art.

도 2는 종래의 기술에 따른 합성 고무재료의 오일 실 조립 상태를 나타낸 상세도.Figure 2 is a detailed view showing the oil seal assembly state of the synthetic rubber material according to the prior art.

도 3은 본 고안에 따른 회전형 오일 실 조립 상태를 나타낸 단면도.Figure 3 is a cross-sectional view showing a rotating oil seal assembly state according to the present invention.

도 4는 본 고안에 따른 회전형 오일 실 조립 상태를 나타낸 상세도.Figure 4 is a detailed view showing a rotatable oil seal assembly state according to the present invention.

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

11: 베어링 하우징 12: 베어링 커버11: bearing housing 12: bearing cover

13: 축 14: 베어링13: shaft 14: bearing

15: 합성 고무재 오일 실 15a: 용수철15: synthetic rubber oil seal 15a: spring

15b: 합성 고무재 오일 실 물림부 15c: 립(lip) 선단부15b: synthetic rubber oil seal portion 15c: lip tip

31: 회전형 오일 실 31a: 외경 오링31: Rotating oil seal 31a: O-ring outer diameter

31b: 내경 오링 31c: 전단 황동판31b: internal diameter O-ring 31c: shear brass plate

31d: 후단 황동판 31e: 멈춤나사31d: Back end brass plate 31e: Set screw

31f: 금속 볼31f: metal ball

이하 첨부된 도면을 참조하여 본 발명을 설명한다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

도 3은 본 고안에 따른 회전형 오일실의 조립 상태를 나타낸 단면도이고, 도4는 본 고안에 따른 회전형 오일 실의 조립 상태를 나타낸 상세도이다.Figure 3 is a cross-sectional view showing an assembled state of the rotary oil seal according to the present invention, Figure 4 is a detailed view showing the assembled state of the rotary oil seal according to the present invention.

본 고안은 후단황동판(31d), 전단황동판(31c), 외경오링(31a), 내경오링(31b), 금속볼(31f)로 이루어져 있다. 전단황동판(31c)의 외측에는 외경오링홈(31a')이 형성되어 있으며, 후단황동판(31d)의 내측에는 내경오링홈(31b')이 형성되어 있다. 내경오링홈(31b') 및 외경오링홈(31a')에는 각각 내경오링(31b) 및 외경오링(31a)이 각각 억지끼워 맞춤된다.The present invention consists of a rear end brass plate 31d, a front brass plate 31c, an outer diameter o-ring 31a, an inner diameter o-ring 31b, and a metal ball 31f. The outer diameter o-ring groove 31a 'is formed in the outer side of the front brass plate 31c, and the inner diameter o-ring groove 31b' is formed in the inner side of the rear stage brass plate 31d. The inner diameter o-ring groove 31b 'and the outer diameter o-ring groove 31a' are fitted with the inner diameter o-ring 31b and the outer diameter o-ring 31a, respectively.

전후단의 황동판(31c,31d)사이에 회전을 원활하게 하기위한 금속볼(31f)이 멈춤나사(31e)를 풀어 황동판 가공면의 원주길이에 맞게 적당량을 넣고 금속볼(31f)이 빠져 나오지 않게 멈춤나사(31e)를 조인다. 이렇게 하므로서 전후단 황동판(31c,31d)은 분리되지 않고 회전이 가능하게 된다. 한편, 멈춤나사(31e)와 금속볼(31f)이 닿는 부위는 금속볼(31f)의 구면과 일치되게 가공한다.The metal ball 31f for smooth rotation between the brass plates 31c and 31d at the front and rear ends is loosened, and the proper amount is made in accordance with the circumferential length of the brass plate processing surface to prevent the metal ball 31f from coming out. Tighten the set screw (31e). In this way, the front and rear brass plates 31c and 31d can be rotated without being separated. On the other hand, the site where the set screw 31e and the metal ball 31f come into contact with the spherical surface of the metal ball 31f is processed.

또한 전단 황동판(31c) 외경은 베어링 커버(12)에 억지끼워 맞추도록 된 외경 오링(31a)이 삽입되고 후단 황동판(31d) 내경은 축(13)에 억지 끼워 맞추도록된 내경 오링(31b)을 삽입하여 축에 접촉 시키면 축(13) 회전시 전단 황동판(31c)은 고정되고 후단 황동판(31d)은 축(13)과 함께 회전하게 된다.In addition, the outer diameter of the front end brass plate (31c) is inserted into the outer diameter O-ring (31a) is forcibly fitted to the bearing cover 12, the inner diameter of the rear end brass plate (31d) is inserted into the inner diameter O-ring (31b) forcibly fitted to the shaft (13) When inserted into contact with the shaft, the front brass plate 31c is fixed and the rear brass plate 31d rotates together with the shaft 13 when the shaft 13 rotates.

회전형 오일 실(31)은 축(13)의 회전시 베어링 하우징(11)내의 윤활유가 와류현상에 의해 축(13)과 고정된 전단 황동판(31c) 사이로 흘러 나온다. 회전하는 후단황동판(31d)에 삽입된 내경 오링(31b)에 의해 외부로 윤활유가 누설되지 못하고 전후단 황동판(31c,31d)사이의 공간으로 흘러 금속 볼(31f)의 윤활 역할을 하게되며 회전형 오일 실(31)의 회전이 원활 하도록 하는 역할을 하게 된다. 이와 같은회전형 오일 실(31)은 외압이 전혀 가해지지 않고 축(13)의 회전에 의해 자연스럽게 회전하므로서 회전형 오일 실(31) 및 축(13)의 마모를 방지할 수 있다.The rotatable oil seal 31 flows between the shaft 13 and the fixed front end brass plate 31c by vortexing in the bearing housing 11 when the shaft 13 rotates. Lubricant is not leaked to the outside by the inner diameter O-ring 31b inserted into the rotating rear stage brass plate 31d and flows into the space between the front and rear brass plates 31c and 31d to act as a lubrication of the metal balls 31f. The oil seal 31 serves to smoothly rotate. The rotatable oil seal 31 can be prevented from being worn by the rotatable oil seal 31 and the shaft 13 by naturally rotating by the rotation of the shaft 13 without any external pressure being applied.

본 고안은 탈착이 쉽고 오일 실과 축과의 마찰을 없애므로서 오일 실의 수명연장 및 윤활유 누설을 방지한다. 또한 윤활유 사용량 감소, 회전기기의 윤활 부족에 의한 베어링 및 기기 파손을 방지함은 물론, 윤활유 누설에 의한 화재사고를 예방하므로서 원가 절감과 제품의 품질이 향상되는 효과가 있다.The present invention is easy to detach and eliminate the friction between the oil seal and the shaft, thereby preventing the oil seal from extending the life of the oil seal. In addition, reducing the amount of lubricating oil, preventing damage to bearings and equipment due to lack of lubrication of rotating equipment, and preventing fire accidents due to lubricating oil leakage, cost reduction and product quality are improved.

Claims (1)

축의 외측에 베어링이 끼워맞춤 되고, 상기 베어링의 외측에서 베어링을 수용하는 베어링 하우징과, 상기 베어링에 접하고 상기 베어링 하우징에 조립되며 중심에 축이 장착될수 있는 개구가 형성된 베어링 커버로 구성되어, 상기 베어링 하우징내에 급유된 윤활유가 외부로 유출되는 것을 방지하는 오일 실에 있어서,The bearing is fitted to the outside of the shaft, the bearing housing for receiving the bearing from the outside of the bearing, and a bearing cover formed in the opening contacting the bearing and assembled to the bearing housing, the shaft can be mounted in the center, the bearing In the oil seal which prevents the lubricant oil lubricated in the housing from leaking to the outside, 내연부에 내경오링 홈을 구비하여 상기 내경오링 홈에 내경오링을 삽입하여 상기 베어링 커버에 형성된 개구 내의 축과 함께 회전가능하게 장착되는 폐고리 형태로 이루진 후단황동판과,A rear end brass plate having an inner diameter o-ring groove in the inner edge thereof and inserted into the inner diameter o-ring groove to be rotatably mounted together with the shaft in the opening formed in the bearing cover; 상기 후단황동판의 상부에 접하여 상기 축에 장착되되, 외연부에 외경오링홈을 구비하여 상기 외경오링홈에 외경오링을 삽입하고, 상기 베어링 커버에 고정되는 폐고리 형태의 전단황동판과,A shear ring-type shear brass plate which is mounted on the shaft in contact with the upper end of the rear end brass plate, and has an outer diameter o-ring groove at an outer edge thereof to insert an outer diameter o-ring into the outer diameter o-ring groove, and fixed to the bearing cover; 상기 전단황동판과 상기 후단황동판 사이에 삽입되는 다수의 금속볼과,A plurality of metal balls inserted between the front and rear brass plates; 상기 금속볼이 빠져나오지 않도록 상기 전단황동판에 관통 설치된 멈춤나사로 이루어진 것을 특징으로 하는 회전형 오일 실.Rotating oil seal, characterized in that made of a stop screw penetrated through the shear brass plate so that the metal ball does not escape.
KR2019980012149U 1998-07-03 1998-07-03 Rotating Oil Seal Expired - Fee Related KR200301814Y1 (en)

Priority Applications (1)

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KR2019980012149U KR200301814Y1 (en) 1998-07-03 1998-07-03 Rotating Oil Seal

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Application Number Priority Date Filing Date Title
KR2019980012149U KR200301814Y1 (en) 1998-07-03 1998-07-03 Rotating Oil Seal

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KR200301814Y1 true KR200301814Y1 (en) 2003-03-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250129868A (en) 2024-02-23 2025-09-01 주식회사 신우텍 Oil Seal For Pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250129868A (en) 2024-02-23 2025-09-01 주식회사 신우텍 Oil Seal For Pump

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