CN103375493A - Combined sealing structure with double seal rings - Google Patents

Combined sealing structure with double seal rings Download PDF

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Publication number
CN103375493A
CN103375493A CN2012101270386A CN201210127038A CN103375493A CN 103375493 A CN103375493 A CN 103375493A CN 2012101270386 A CN2012101270386 A CN 2012101270386A CN 201210127038 A CN201210127038 A CN 201210127038A CN 103375493 A CN103375493 A CN 103375493A
Authority
CN
China
Prior art keywords
ring
seal ring
sealing ring
lip
seal
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
CN2012101270386A
Other languages
Chinese (zh)
Inventor
岳伟
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.)
SHANGHAI ZHONGLONG BEARING CO Ltd
Original Assignee
SHANGHAI ZHONGLONG BEARING 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 SHANGHAI ZHONGLONG BEARING CO Ltd filed Critical SHANGHAI ZHONGLONG BEARING CO Ltd
Priority to CN2012101270386A priority Critical patent/CN103375493A/en
Publication of CN103375493A publication Critical patent/CN103375493A/en
Pending legal-status Critical Current

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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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7896—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

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

Abstract

The invention discloses a combined sealing structure with double seal rings. The combined sealing structure comprises an outer sealing ring and an inner sealing ring, wherein the outer sealing ring and the inner sealing ring are fixedly arranged between inner and outer rings, and the head of the outer sealing ring is arranged in a sealing groove of an outer ring; an outer lip of the outer sealing ring and the inner ring are oppositely arranged, an inner lip of the outer sealing ring is contacted with an inclined plane of the inner ring, and an inner flange lip of the outer sealing ring and the caliber of a V-shaped groove of the inner ring can form a clearance gap seal; the head of the inner sealing ring is arranged in the V-shaped groove of the inner ring, an outer lip of the inner sealing ring is contacted with an inclined plane of the outer ring, and an inner flange lip arranged on the inner sealing ring and the inner diameter of the outer ring can form the clearance gap seal; the outer sealing ring is provided with a support skeleton, the inner sealing ring is equally provided with a skeleton, a first non-contact lip and a second non-contact lip of the inner sealing ring can ensure that the inner and outer sealing ring forms a small gap, multiple lips of the inner and outer sealing rings can form a contact and non-contact multiple protective screens, external dust, impurities and mud are delayed to erode the interior of a bearing, the abrasion of a sealing ring lip is reduced, the service life of each sealing ring is shortened, and the seal is reliable.

Description

The combined sealing structure of Double seal ring
Technical field
The present invention relates to seal ring, be specifically related to the combined sealing structure of Double seal ring.
Background technique
Seal ring is fixedly installed in the bearing, prevent that lubricant oil from spilling and the intrusions such as external dust, impurity and mud, but outside mud of invading, and dusts etc. very easily corrode seal ring, so that the working life of seal ring is short, in case after the seal ring breakage, cause the bearing noise to increase, lost efficacy etc., larger to the bearing injury, and in the routine use process, change the seal ring complex procedures, not easy to operate.
Summary of the invention
The technical problem to be solved in the present invention provides the combined sealing structure of Double seal ring, adopt inside and outside two seal rings, dust, impurity and mud etc. that the outside is invaded carry out multiple prevention, lengthen sealed pathway, delay the inner space time that mud etc. enters bearing, guarantee sealing effect, reduce the wearing and tearing of seal ring, thereby prolong the life-span of seal ring.
For achieving the above object, technological scheme of the present invention is as follows:
The combined sealing structure of Double seal ring comprises exterior seal ring and inner seal ring, and described exterior seal ring and inner seal ring are fixedly installed between inner ring and the outer ring.
Described exterior seal ring head is installed in the seal groove of outer ring, and outer lip and the inner ring of exterior seal ring are oppositely arranged, and the external sealed epipharynx contacts with the inner ring inclined-plane, and the bore of the inner retaining side lip of exterior seal ring and the V-shaped groove of inner ring forms clearance seal; The head of inner seal ring is installed in the V-shaped groove of inner ring, and the outer lip of inner seal ring contacts with the inclined-plane of outer ring, and forms clearance seal with the side, and inner seal ring has the internal diameter of inner retaining side lip and outer ring to form a clearance seal.
Described exterior seal ring is provided with and supports the first skeleton, and inner seal ring arranges the second skeleton equally.Preferably, the first non-contact lip of described inner seal ring and the second non-contact lip inside and outside seal ring is formed less gap.
By technique scheme, the invention has the beneficial effects as follows:
Multiple lip by inside and outside two seal rings forms contact and non-contact multibarrier, and the mud that the outside is invaded carries out multiple prevention, lengthens sealed pathway, delays the time that mud enters the inner space of bearing, and guarantees sealing effect.External sealed is installed on the outer ring, can reduces friction torque, reduce the wearing and tearing of seal ring lip, thereby prolong the life-span of seal ring.
Description of drawings
In order to be illustrated more clearly in example of the present invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in example or the description of the Prior Art, apparently, accompanying drawing in the following describes only is examples more of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention;
Fig. 2 is partial enlarged drawing of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1, outer ring 1, inner ring 18. retainers 17, steel ball 10 and link 20 have consisted of bearing.
With reference to Fig. 2, the combined sealing structure of Double seal ring comprises exterior seal ring and inner seal ring, and described exterior seal ring and inner seal ring are fixedly installed between inner ring 1 and the outer ring 18.
Exterior seal ring head 2 is installed in the seal groove 3 of outer ring 1, and skeleton 5 external caulking gums support, and outer lip 10 and the inner ring 18 of exterior seal ring are oppositely arranged, and stop most of mud to the intrusion of bearing; External sealed epipharynx 11 contacts with the inclined-plane of inner ring 18, and the mud between entry deterrence two lips enters bearing interior space, and after interior sealing lip 11 wearing and tearing, outer lip 9 covers the step of inner ring 18, continues to stop mud to invade; The inner retaining side lip 12 of exterior seal ring forms clearance seal with the bore of the V-shaped groove 13 of inner ring 18.The head 14 of inner seal ring is installed in the V-shaped groove 13 of inner ring 18, and 7 pairs of inner seal rings of skeleton play a supportive role.
The first non-contact lip 6 of inner seal ring and the second non-contact lip 8 be the less gap that links to each other with the spatial division between the interior exterior seal ring, the immersion of multiple prevention mud.The outer lip 4 of inner seal ring contacts with the inclined-plane of outer ring 1, stops the intrusion of mud, and forms clearance seal with the side.Inner seal ring has inner retaining side lip 15 and the internal diameter of outer ring 1 to form last clearance seal, stops mud to invade the inner space 16 of bearing.Sealing mechanism: the multiple lip by inside and outside two seal rings forms contact and non-contact multibarrier, dust, impurity and mud that the outside is invaded carry out multiple prevention, lengthen sealed pathway, delay the time that mud enters bearing interior space, and guarantee sealing effect.External sealed is installed on the outer ring, can reduces friction torque, reduce the wearing and tearing of seal ring lip, thereby prolong the life-span of seal ring, Applicable scope is wider.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not subjected to the restriction of above-mentioned example; that describes in above-mentioned example and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (4)

1. the combined sealing structure of Double seal ring, it is characterized in that: comprise exterior seal ring and inner seal ring, described exterior seal ring and inner seal ring are fixedly installed between inner ring and the outer ring.
2. the combined sealing structure of Double seal ring according to claim 1, it is characterized in that: described exterior seal ring head is installed in the seal groove of outer ring, outer lip and the inner ring of exterior seal ring are oppositely arranged, the external sealed epipharynx contacts with the inner ring inclined-plane, and the bore of the inner retaining side lip of exterior seal ring and the V-shaped groove of inner ring forms clearance seal; The head of inner seal ring is installed in the V-shaped groove of inner ring, and the outer lip of inner seal ring contacts with the inclined-plane of outer ring, and forms clearance seal with the side, and inner seal ring has the internal diameter of inner retaining side lip and outer ring to form a clearance seal.
3. the combined sealing structure of Double seal ring according to claim 1 and 2 is characterized in that: described exterior seal ring is provided with and supports the first skeleton, and inner seal ring arranges the second skeleton equally.
4. the combined sealing structure of Double seal ring according to claim 1 and 2 is characterized in that: the first non-contact lip of described inner seal ring and the second non-contact lip inside and outside seal ring is formed less gap.
CN2012101270386A 2012-04-27 2012-04-27 Combined sealing structure with double seal rings Pending CN103375493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101270386A CN103375493A (en) 2012-04-27 2012-04-27 Combined sealing structure with double seal rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101270386A CN103375493A (en) 2012-04-27 2012-04-27 Combined sealing structure with double seal rings

Publications (1)

Publication Number Publication Date
CN103375493A true CN103375493A (en) 2013-10-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101270386A Pending CN103375493A (en) 2012-04-27 2012-04-27 Combined sealing structure with double seal rings

Country Status (1)

Country Link
CN (1) CN103375493A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573830A (en) * 2013-11-12 2014-02-12 无锡华洋滚动轴承有限公司 High-temperature-resisting oil-pressure double-layer rubber sealing ball bearing
CN106195024A (en) * 2016-07-08 2016-12-07 宁波万丰轴承有限公司 A kind of dust-proof deep groove ball bearing with double-layer seal lid
CN108644384A (en) * 2018-05-30 2018-10-12 江苏宇飞金属制品有限公司 A kind of bearing seal
CN114810836A (en) * 2022-04-28 2022-07-29 洛阳轴承研究所有限公司 Wide temperature adaptation type bearing seal structure
DE102017114857B4 (en) 2017-07-04 2023-07-06 Schaeffler Technologies AG & Co. KG Rolling bearing with ventilation device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248572A2 (en) * 1986-05-24 1987-12-09 Koyo Seiko Co., Ltd. A bearing
EP0388258A1 (en) * 1989-03-14 1990-09-19 S.N.R. Roulements Sealing between two coaxial parts
FR2654478A1 (en) * 1989-11-14 1991-05-17 Roulements Soc Nouvelle Method for improving sealing of a rolling bearing
JPH09196071A (en) * 1996-01-22 1997-07-29 Nippon Seiko Kk Rolling bearing with seal device
JPH09196072A (en) * 1996-01-19 1997-07-29 Nippon Seiko Kk Rolling bearing with seal device
CN200999862Y (en) * 2006-12-01 2008-01-02 韶关东南轴承有限公司 Double-layer type high sealing property sealed ring
CN201382078Y (en) * 2009-04-09 2010-01-13 陆连运 Double-seal bearing with spherical outside surfaces
CN102003467A (en) * 2010-11-19 2011-04-06 陈炳顺 Rolling bearing sealing element and rolling bearing sealing structure
CN202628838U (en) * 2012-04-27 2012-12-26 上海中隆轴承有限公司 Combined sealing structure with double sealing rings

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248572A2 (en) * 1986-05-24 1987-12-09 Koyo Seiko Co., Ltd. A bearing
EP0388258A1 (en) * 1989-03-14 1990-09-19 S.N.R. Roulements Sealing between two coaxial parts
FR2654478A1 (en) * 1989-11-14 1991-05-17 Roulements Soc Nouvelle Method for improving sealing of a rolling bearing
JPH09196072A (en) * 1996-01-19 1997-07-29 Nippon Seiko Kk Rolling bearing with seal device
JPH09196071A (en) * 1996-01-22 1997-07-29 Nippon Seiko Kk Rolling bearing with seal device
CN200999862Y (en) * 2006-12-01 2008-01-02 韶关东南轴承有限公司 Double-layer type high sealing property sealed ring
CN201382078Y (en) * 2009-04-09 2010-01-13 陆连运 Double-seal bearing with spherical outside surfaces
CN102003467A (en) * 2010-11-19 2011-04-06 陈炳顺 Rolling bearing sealing element and rolling bearing sealing structure
CN202628838U (en) * 2012-04-27 2012-12-26 上海中隆轴承有限公司 Combined sealing structure with double sealing rings

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨鸿铨等: "《滚动轴承工程学》", 31 December 1980 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103573830A (en) * 2013-11-12 2014-02-12 无锡华洋滚动轴承有限公司 High-temperature-resisting oil-pressure double-layer rubber sealing ball bearing
CN106195024A (en) * 2016-07-08 2016-12-07 宁波万丰轴承有限公司 A kind of dust-proof deep groove ball bearing with double-layer seal lid
DE102017114857B4 (en) 2017-07-04 2023-07-06 Schaeffler Technologies AG & Co. KG Rolling bearing with ventilation device
CN108644384A (en) * 2018-05-30 2018-10-12 江苏宇飞金属制品有限公司 A kind of bearing seal
CN114810836A (en) * 2022-04-28 2022-07-29 洛阳轴承研究所有限公司 Wide temperature adaptation type bearing seal structure
CN114810836B (en) * 2022-04-28 2024-03-26 洛阳轴承研究所有限公司 Wide temperature adaptation type bearing sealing structure

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
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Application publication date: 20131030