WO2013124209A1 - Radialwellendichtung - Google Patents
Radialwellendichtung Download PDFInfo
- Publication number
- WO2013124209A1 WO2013124209A1 PCT/EP2013/052997 EP2013052997W WO2013124209A1 WO 2013124209 A1 WO2013124209 A1 WO 2013124209A1 EP 2013052997 W EP2013052997 W EP 2013052997W WO 2013124209 A1 WO2013124209 A1 WO 2013124209A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing
- shaft seal
- radial shaft
- seal according
- adapter part
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/322—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction perpendicular to the surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
- F16J15/3276—Mounting of sealing rings with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
Definitions
- the invention relates to a radial shaft seal for sealing a shaft, which is carried out through a housing wall opening, consisting of at least one membranar ⁇ term, annular sealing body with a sealing applied to the shaft sealing lip, a metallic, annular support body on which the sealing body is mounted , an outer peripheral edge region provided on the support body and not covered by the sealing body, and a centering surface formed on the outer periphery of the edge region.
- the material of the sealing body is preferably made of a highly wear-resistant elastomeric material. This material is extremely resistant to a variety of substances.
- Pump housings which are used in automotive technology for coolant pumps, often consist of thermosetting plastics. At higher operating temperatures, it can lead to outgassing of ammonia, formaldehyde and the like, which react with elastomeric materials and can lead to hardening of the material.
- the invention is therefore based on the object to provide a radial shaft seal that is absolutely reliable even with extremely long operating times and maintains its sealing effect.
- this object is achieved in that the seal is surrounded by an insertable into the housing wall opening adapter part of wavy curved metal sheet, that the adapter part has a central cylindrical passage opening, which has a paragraph at its rear end in the printing direction a paragraph that the
- Centering of the support body to the cylindrical through ⁇ opening of the adapter part has an excess and can be used with a press fit in this, that between the support body and provided in the passage opening of the adapter part paragraph a second membrane-like sealing body is arranged and that the second sealing body fixed can be pressed between the paragraph and the support body.
- the material of the sealing body is in contact only with the made of stainless steel adapter part, which is designed as a resilient intermediate body between the actual seal and the housing.
- the material of the sealing body can not be adversely affected by the material of the housing wall.
- the second sealing member is preferably made of polytetrafluoroethylene (PTFE), which has an extremely high wear resistance ⁇ and thus a long life of the seal guarantees.
- PTFE polytetrafluoroethylene
- This new sealing mechanism can be permanently maintained on ⁇ ⁇ that for the axial securing of the
- Support part punctual mechanical indentations are pressed from the outside through the plate of the adapter part. This ensures that even with heavy use of the seal and possibly occurring vibrations, the support member is held in position.
- the indentations can be arranged so that they are arranged in the pressure direction immediately before the pressed-in outer edge region of the support body, thereby ensuring an absolutely reliable, positive fixation of the support member within the adapter part.
- the sealing lips of both sealing bodies which bear sealingly on the shaft can be inclined in the opposite direction to the direction of pressure. This will also be in the area between the
- a free ⁇ space Radially inside the support body is preferably provided a free ⁇ space, which can be provided with a grease filling if necessary.
- a particularly expedient embodiment of the erfindungsge ⁇ MAESSEN radial shaft seal is that radially at least over the entire Län ⁇ ge of the seal extending sleeve is disposed within the seal, which can be pushed during later assembly with a press fit on the shaft to be sealed.
- the sleeve can be crimped at both ends, so that it is captively connected to the seal.
- the assembly of Sleeve takes place in that first one side is crimped. Then, the space within the support body is provided with a grease, and then the sleeve is pushed through the seal. Thereafter, the second side of the sleeve is crimped, and later the sleeve is press-fitted onto the shaft.
- the adapter portion preferably has a cylindrical To ⁇ fang, which is tightly inserted into the housing wall opening.
- the adapter part can be provided on the pressure side of the seal with a radially extending flange, which can be applied tightly against the wall area surrounding the housing wall.
- the outer cylindrical circumference of the adapter part can be provided at least over part of its axial length all around with a sealing lacquer.
- the sealing lip provided on the second sealing body on the pressure side at its abutting on the shaft or sleeve end a bulge aufwei ⁇ sen, wherein within the formed by the curvature receiving groove as well as the first sealing body Spring ring is arranged.
- This design of the second Dichtbe ⁇ rich the sealing effect can be improved.
- This sealing nose ensures that no dirt can penetrate into the pump area from the outside.
- FIG. 1 shows a section through the radial shaft seal according to the invention, as it is installed in a provided for motor vehicles coolant pump,
- Fig. 2 marked in Fig. 1 section II in an enlarged view
- Fig. 3 the same section as Fig. 1 of a second embodiment of the radial shaft seal according to the invention.
- the radial shaft seal 1 shown in the drawing serves to seal a shaft 2, which is passed through the opening 3 of the housing wall 4 of a coolant pump.
- the radial shaft seal 1 shown in the drawing consists of a shaft 2 immediately surrounding the sealing region 5 and a surrounding the sealing region 5 adapter part 6, which consists of wavy curved metal ⁇ sheet 7.
- the trained in the manner of a bellows adapter part 6, which is made of thin stainless steel sheet, has a central cylindrical passage opening 8.
- the pressure side or water side 9 is right of the Dich ⁇ tion, while the air side 10 is located on the left side.
- the cylindrical passage opening 8 of the adapter Part 6 is provided at its rear end in the printing direction end or in the drawing on the left side with a shaft 2 directed towards the heel 11.
- Paragraph 11 is formed by a circumferential integrally formed flange.
- the adapter part 6 In its radially outer region, the adapter part 6 has a cylindrical circumference 12, which is inserted tightly into the opening 3 of the housing wall 4. On the pressure ⁇ side 9, the adapter part 6 is provided with a radially extending flange 13 which bears tightly against the Gescousewandöff ⁇ tion 3 surrounding wall region.
- the outer cylindrical circumference 12 of the adapter part 6 is provided over a part of its axial length all around with a sealing lacquer which ensures a tight fit of the adapter part 6 in the housing wall opening 3.
- the actual sealing region 5, which extends in the direction of the shaft 2, consists on the pressure side 9 of ei ⁇ nem membrane-like, annular sealing body 15 of elastomeric material, an annular metallic support body 16, to which the sealing body 15 preferably with a Pretension is raised, and a second sealing body 17 made of PTFE material, which is arranged between the air side of the seal between ⁇ the support body 16 and the shoulder 11 of the adapter part 6.
- On the support body 16 an outer peripheral edge region 18 is provided, which is not covered by the first sealing body 15.
- a centering surface 19 is formed which has to the cylindrical through opening 8 of the adapter part 6 and an excess with a press fit in these incorporated ⁇ is set.
- the notches 20, which pass through the sheet in the form of inner projections are mounted in the pressure direction immediately in front of the edge region 18 of the support body 16, so that an extremely tight fit of the support body 16 is guaranteed in its position within the Adap ⁇ terteils 6.
- a sleeve 21 is provided, which extends over the entire length of the seal 1 and a little further beyond.
- the sleeve 21 is crimped at both ends, so that it sits un ⁇ lierbar on the seal 1.
- sealing lips 22, 23 are provided which are inclined against the pressure direction and rest in the assembled state on the sleeve 21 under bias.
- a free space is provided, which can be provided with a grease filling 24.
- the grease filling 24 is introduced prior to insertion of the sleeve 21. Then, the sleeve 21, which is already crimped at one end, inserted through the inner region of the seal 1 and then crimped on the other end, so that they firmly - but possibly slightly axially displaceable - sitting in the seal 1.
- the sleeve 21 is made of a steel with high surface hardness made and is pushed during assembly of the pump with press ⁇ seat on the shaft 2.
- a shaft 2 bearing not shown in the drawing bearing 25 at.
- the sealing lip 23 of the arranged on the pressure side sealing ⁇ body 15 has at its end adjacent to the sleeve 21 a curvature 26 with an outwardly directed end portion, whereby a circumferential outer groove is formed.
- a spring ring 27 is inserted, whereby the
- Sealing lip 22 additionally targeted against the sleeve 21 is pressed.
- the second sealing body 17 is made of the more stable polytetrafluoroethylene (PTFE), which ensures a long service life of the seal for the present application.
- PTFE polytetrafluoroethylene
- the PTFE can be filled, for example with glass fibers or carbon.
- the adapter part 6 is made of thin-walled stainless steel sheet for the present application. Due to the bellows-like shape radial and axial vibra ⁇ tions of the shaft 2 can be easily taken over the pump housing.
- Fig. 3 shows the same section as Fig. 1, wherein the same reference numerals have been used as in Fig. 1 for identical parts.
- the erfindungsge ⁇ Permitted radial shaft seal is used to seal a shaft 2, which is passed through the opening 3 of the housing wall 4 of a coolant pump.
- the sealing region 5 is seated in the same manner as in the exemplary embodiment shown in FIG. 1 in an adapter part 6. which consists of wavy curved sheet metal.
- the sealing region 5 is formed in the same manner as in the embodiment shown in FIG. 1 essentially by two sealing bodies, wherein the first sealing body 15 is identical to the sealing body according to FIG. 1.
- the second sealing body 28, instead of the one shown in FIG arranged sealing body 17 is arranged, is provided with a modified sealing lip 29.
- the directed to the pressure side seal lip 29 has at its ⁇ on the shaft 2 respectively adjacent end of the sleeve 21 a bulge 30, wherein a spring ring 31 is arranged within the receiving groove formed by the bulge 30.
- the spring ring has the task of depressing the Dichtlip ⁇ pe, thereby further improving the sealing effect.
- a circumferential projecting nose 32 is provided on the air side, which rests against the shaft 2 and the sleeve 21.
- This circumferential projection 32 is intended to serve primarily to gen to erzeu- an additional seal against the outside area, so that no dirt particles enter from outside into the Pumpenin ⁇ nere.
- the radial shaft seal according to the invention guarantees a long service life, which plays an important role, in particular for the automotive sector, when the seal is installed, for example, in cooling-water pumps.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Of Bearings (AREA)
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/379,135 US9239116B2 (en) | 2012-02-24 | 2013-02-14 | Radial shaft seal |
BR112014018216A BR112014018216A8 (pt) | 2012-02-24 | 2013-02-14 | Vedação de eixo radial |
EP13704434.3A EP2817539B1 (de) | 2012-02-24 | 2013-02-14 | Radialwellendichtung |
ES13704434.3T ES2581772T3 (es) | 2012-02-24 | 2013-02-14 | Junta para ejes radiales |
CN201380008360.XA CN104105909B (zh) | 2012-02-24 | 2013-02-14 | 径向轴密封件 |
KR1020147026270A KR101638271B1 (ko) | 2012-02-24 | 2013-02-14 | 래디얼 샤프트 씨일 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012202862.5 | 2012-02-24 | ||
DE102012202862A DE102012202862A1 (de) | 2012-02-24 | 2012-02-24 | Radialwellendichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013124209A1 true WO2013124209A1 (de) | 2013-08-29 |
Family
ID=47716045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/052997 WO2013124209A1 (de) | 2012-02-24 | 2013-02-14 | Radialwellendichtung |
Country Status (10)
Country | Link |
---|---|
US (1) | US9239116B2 (de) |
EP (1) | EP2817539B1 (de) |
KR (1) | KR101638271B1 (de) |
CN (1) | CN104105909B (de) |
BR (1) | BR112014018216A8 (de) |
DE (1) | DE102012202862A1 (de) |
ES (1) | ES2581772T3 (de) |
HU (1) | HUE027782T2 (de) |
PL (1) | PL2817539T3 (de) |
WO (1) | WO2013124209A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9869395B2 (en) * | 2014-02-26 | 2018-01-16 | Garlock Sealing Technologies, Llc | Shaft sealing apparatus and associated methods |
CN108328245B (zh) * | 2017-01-18 | 2021-06-15 | 斯凯孚公司 | 用于连铸机的密封盒 |
DE102017204374A1 (de) * | 2017-03-16 | 2018-09-20 | Trelleborg Sealing Solutions Germany Gmbh | Dichtungsanordnung |
CN107859790A (zh) * | 2017-12-11 | 2018-03-30 | 衡水优捷特石油设备科技有限公司 | 一种穿壁管道密封套 |
DE102018006945B3 (de) | 2018-09-01 | 2019-12-19 | Vr Automotive Dichtungssysteme Gmbh | Radialwellendichtung |
DE102019006053A1 (de) | 2019-08-28 | 2021-03-04 | Vr Automotive Dichtungssysteme Gmbh | Radialwellendichtung |
KR102571668B1 (ko) * | 2020-11-28 | 2023-08-25 | 김청균 | 다단계 단열 멀티립 시일 내장형 로터리 피드스루 실링 유니트 |
WO2022139799A1 (en) * | 2020-12-22 | 2022-06-30 | Stein Seal Company | Interposable seal assembly for sealing between shafts |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19841123B4 (de) | 1998-09-09 | 2008-01-03 | Vr Dichtungen Gmbh | Radialwellendichtring |
US20100244389A1 (en) * | 2008-05-15 | 2010-09-30 | Eagle Industry Co., Ltd. | Lip type seal |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3612547A (en) * | 1969-01-09 | 1971-10-12 | Nippon Seiko Kk | Lubricant seal having casing and its holding means |
KR890004033B1 (ko) * | 1985-04-16 | 1989-10-16 | 에누오우케이 가부시끼가이샤 | 레이디얼 오일 시일 |
US4848776A (en) | 1987-04-27 | 1989-07-18 | Eaton Corporation | Exclusion seal assembly |
DE9213374U1 (de) | 1992-10-05 | 1994-02-10 | Martin Merkel GmbH & Co KG, 21107 Hamburg | Dichtring |
EP1024318A3 (de) * | 1999-01-29 | 2001-04-25 | Freudenberg-NOK General Partnership | Dichtring mit Förderwirkung |
US6257587B1 (en) * | 1999-05-21 | 2001-07-10 | Federal-Mogul World Wide, Inc. | Radial lip seal having protected porous dust excluder |
JP2003097716A (ja) | 2001-09-26 | 2003-04-03 | Nok Corp | 車軸用密封装置 |
US7147229B2 (en) * | 2004-03-15 | 2006-12-12 | Federal Mogul World Wide Inc. | Shaft seal assembly with retaining ring and washer |
DE202005006553U1 (de) | 2005-04-22 | 2005-07-14 | Vr Dichtungen Gmbh | Radialwellendichtring |
DE202006003897U1 (de) | 2006-03-09 | 2006-05-04 | Vr Dichtungen Gmbh | Radialwellendichtung |
DE202007008740U1 (de) | 2007-06-20 | 2007-08-23 | Vr Dichtungen Gmbh | Radialwellendichtung und Radialwellendichtungssystem |
JP5069773B2 (ja) | 2010-06-03 | 2012-11-07 | イーグル工業株式会社 | リップタイプシールの装着構造 |
-
2012
- 2012-02-24 DE DE102012202862A patent/DE102012202862A1/de not_active Withdrawn
-
2013
- 2013-02-14 US US14/379,135 patent/US9239116B2/en not_active Expired - Fee Related
- 2013-02-14 HU HUE13704434A patent/HUE027782T2/en unknown
- 2013-02-14 KR KR1020147026270A patent/KR101638271B1/ko active IP Right Grant
- 2013-02-14 BR BR112014018216A patent/BR112014018216A8/pt not_active IP Right Cessation
- 2013-02-14 PL PL13704434.3T patent/PL2817539T3/pl unknown
- 2013-02-14 WO PCT/EP2013/052997 patent/WO2013124209A1/de active Application Filing
- 2013-02-14 CN CN201380008360.XA patent/CN104105909B/zh active Active
- 2013-02-14 EP EP13704434.3A patent/EP2817539B1/de active Active
- 2013-02-14 ES ES13704434.3T patent/ES2581772T3/es active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19841123B4 (de) | 1998-09-09 | 2008-01-03 | Vr Dichtungen Gmbh | Radialwellendichtring |
US20100244389A1 (en) * | 2008-05-15 | 2010-09-30 | Eagle Industry Co., Ltd. | Lip type seal |
Also Published As
Publication number | Publication date |
---|---|
HUE027782T2 (en) | 2016-11-28 |
EP2817539B1 (de) | 2016-04-13 |
CN104105909A (zh) | 2014-10-15 |
US20150054227A1 (en) | 2015-02-26 |
BR112014018216A2 (de) | 2017-06-20 |
KR101638271B1 (ko) | 2016-07-08 |
KR20140132739A (ko) | 2014-11-18 |
EP2817539A1 (de) | 2014-12-31 |
US9239116B2 (en) | 2016-01-19 |
DE102012202862A1 (de) | 2013-08-29 |
PL2817539T3 (pl) | 2016-10-31 |
CN104105909B (zh) | 2017-03-08 |
BR112014018216A8 (pt) | 2017-07-11 |
ES2581772T3 (es) | 2016-09-07 |
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