CN201651073U - Bearing dustproof waterproof sealing ring - Google Patents
Bearing dustproof waterproof sealing ring Download PDFInfo
- Publication number
- CN201651073U CN201651073U CN2010201366582U CN201020136658U CN201651073U CN 201651073 U CN201651073 U CN 201651073U CN 2010201366582 U CN2010201366582 U CN 2010201366582U CN 201020136658 U CN201020136658 U CN 201020136658U CN 201651073 U CN201651073 U CN 201651073U
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- CN
- China
- Prior art keywords
- lip
- bearing
- seal ring
- ring
- inner ring
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- 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
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- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a bearing dustproof waterproof sealing ring, which solves the problems that two-way sealing effect of a common bearing sealing ring is poor, and the external dustproof and waterproof effect are not excellent. The utility model uses the technical measures that the bearing dustproof waterproof sealing ring comprises a circular ring-shaped sealing ring body and a metal skeleton which is arranged in the circular ring-shaped sealing ring body, wherein the outer edge of the circular ring-shaped sealing ring body is provided with an outer ring sealing end, and the inner edge is provided with an inner ring sealing end. The bearing dustproof waterproof sealing ring is characterized in that the an inner ring sealing end is provided with a fatproof lip, and the fatproof lip stretches out toward the outer side of the circular ring-shaped sealing ring body. One side of the inner ring sealing end, which is relative to the fatproof lip is provided with a dustproof lip, and the dustproof lip stretches out toward the outer side of one side of the dustproof lip, which is relative to the dustproof lip.
Description
Technical field
The utility model belongs to technical field of bearings, relates in particular to a kind of bearing dustproof and waterproof seal ring with a plurality of sealing lips.
Background technique
A kind of bearing sealed ring is disclosed in China's utility model patent 200920122380.0, its profile is a ring, it comprises offset plate, it is step-like metal frame that the offset plate outer ring is provided with the cross section, the inboard of offset plate is provided with three retrousse sealing lips, the outwardly-bent semicircular in shape in the end of metal frame, semicircular design make seal ring cooperate the difficult loosening of change afterwards with bearing, make bearing more stable with being connected of seal ring.This bearing sealed ring is provided with metal frame by inside, can improve the bulk strength of seal ring, and metal frame is difficult for being corroded.By three sealing lips and specific angular setting, fixing of stabilized seal circle and bearing, can make seal ring have the better seal effect, can play the effect of certain intrusion that prevents extraneous dust, liquid, and can stop leaking of lubricating grease between the inside and outside circle of bearing.But all be arranged on the inboard of seal ring body in this bearing sealed ring owing to three sealing lips, these three sealing lip one-way sealing effects are good, and oppositely sealing effect is also not fully up to expectations.If the employed environment of bearing is more abominable, this seal ring dust and the blocking effect of water to external world is poor, and this is unfavorable for guaranteeing the working life of bearing.And, also inconvenience of its processing of the metal frame of this structure, and the seal ring of making is difficult for being mounted on the bearing.
Summary of the invention
For overcoming the above-mentioned defective that existing bearing sealed ring is had, the utility model technical issues that need to address are: a kind of bearing dustproof and waterproof seal ring is provided, it is assembled on the bearing good sealing effect to external world, and, can guarantee the working life of bearing to the lubricating grease between the inside and outside circle of the bearing also good sealing effect of tool.
For solving the problems of the technologies described above, the technical solution of the utility model: a kind of bearing dustproof and waterproof seal ring, comprise circular seal ring body and be located at intrinsic metal frame, the body outward edge is the outer ring sealed end, inward flange is the inner ring sealed end, it is characterized in that described inner ring sealed end place is provided with envelope fat lip, envelope fat lip is towards oblique the stretching out in the body outside; A side relative with envelope fat lip at inner ring sealed end place is provided with dust excluder lips, dust excluder lips towards with oblique the stretching out in the outside of the relative side of envelope fat lip.The bearing that matches with this dust-proof seal ring should have the certain structure requirement, all need to be provided with annular groove on the rib of this bearing outer ring and on the rib of inner ring, the outer ring sealed end of the outer edge of seal ring is plugged in the groove on the rib of outer ring, and the inner ring sealed end of the inside edge of seal ring is plugged in the groove on the inner ring rib.The outer end of the envelope fat lip at described inner ring sealed end place is between static following time of state and the inner ring rib at bearing and can has certain clearance, be at bearing under the state of high speed rotating, because action of centrifugal force, lubricating grease can be pressed to envelope fat lip, the outer end and the gap between the inner ring rib of envelope fat lip can be eliminated, and under the further pressure effect of lubricating grease, the outer end of envelope fat lip can be adjacent to inner ring rib, thereby prevents leaking of lubricating grease effectively.After seal ring was assemblied on the bearing, the outer end of dust excluder lips flexibly roof pressure was used to prevent that extraneous water and dust from invading between the inside and outside circle of bearing on the rib in the inner ring groove outside.
As preferably, the radially inner side that described inner ring sealed end is in envelope fat lip is provided with the oil sealing lip, the parallel axes of oil sealing lip and body, and oil sealing lip and the outer end of sealing the fat lip all are positioned at the homonymy of body.After seal ring was assemblied on the bearing, axial roof pressure was understood on the inner side surface of groove on the inner ring in the outer end of oil sealing lip, and in the oil content that sealing is separated out from lubricating grease, in order to avoid lubricating grease lost efficacy because of de-oiling, had guaranteed that bearing has long-term rotation smoothness.
As preferably, the radial outside that described inner ring sealed end is in dust excluder lips is provided with the reinforcement lip of dihedral, on the body in strengthening being formed with V-shaped groove between lip and the dust excluder lips.The reinforcement lip that is provided with can effectively improve the seal ring integral intensity, and can make on the body and between dust excluder lips and reinforcement lip, form V-shaped groove, further make dust excluder lips have certain elasticity, made things convenient for seal ring to be assembled on the bearing, improved that seal ring is dustproof to external world, good waterproof effect.
As preferably, approximate " worker " font that is of the truncation surface of described inner ring sealed end.Because the position of four lips makes approximate " worker " font that is of inner ring tool on the inner ring sealed end, guaranteed the two way sealed effect of seal ring on the one hand, also make property easy to assembly when seal ring is assembled on the bearing on the other hand.
As preferably, described skeleton inside edge is provided with the oblique flanging that stretches to envelope fat lip.Common skeleton all is a straight plate shape, and promptly this skeleton is parallel to the radial cross section of seal ring body, and this oblique flanging that stretches out is improved the intensity of seal ring and rigidity effectively.
As preferably, the outer end of described flanging terminates in the root of envelope fat lip.Flanging does not extend into the inside of envelope fat lip, makes envelope fat lip have elasticity preferably, and envelope fat lip can adapt to the moving situation of bearing well, thereby has guaranteed the sealing effect of envelope fat lip to lubricating grease.
As preferably, described skeleton inside edge is provided with the oblique flanging that stretches to envelope fat lip, and flanging is corresponding with the position of described reinforcement lip outer end with the position that skeleton intersects.This correspondence is meant that flanging and skeleton position of intersecting and the position of strengthening the lip outer end are on the same straight line substantially, thereby has guaranteed integrally-built compactedness of seal ring and harmony.
Therefore, the beneficial effects of the utility model:
Because both sides are respectively arranged with envelope fat lip and dust excluder lips all oblique and that oppositely stretch out relatively on the seal ring body, make that the two way sealed of seal ring is effective.The sealing circle is assemblied on the bearing, both can prevent effectively that lubricating grease from releasing between the inside and outside circle of bearing, can prevent effectively that again extraneous water, dust and earth from invading between the inside and outside circle of bearing the smoothness of having moved when having guaranteed bearing working and the working life of bearing.By oblique envelope fat lip and dust excluder lips of stretching out is set, simple in structure, and be convenient to realize that seal ring is assembled on the bearing.
Description of drawings
Local truncation surface enlarged view when accompanying drawing 1 is the user mode of the utility model bearing dustproof and waterproof seal ring.
Accompanying drawing 2 is the truncation surface figure that have the bearing of this dustproof and waterproof seal ring.
Embodiment
See among the figure that the structure of the utility model bearing dustproof and waterproof seal ring comprises circular seal ring body 1 and skeleton 2, wherein the material of body 1 is generally selected rubber for use, and skeleton 2 is an irony.The outward edge of body 1 is the outer ring sealed end, and inward flange is the inner ring sealed end.Be provided with circular groove 9 on the rib of the outer ring 11 of bearing and on inner ring 10 ribs, outer ring sealed end and inner ring sealed end are plugged on respectively in these two grooves 9.
Inner ring sealed end place is provided with envelope fat lip 5, and envelope fat lip 5 is to oblique the stretching out in body 1 outside; Be provided with dust excluder lips 8 in inner ring sealed end place and envelope fat lip 5 relative sides, dust excluder lips 8 towards with oblique the stretching out in the outside of envelope fat lip 5 relative sides.The outer end of envelope fat lip 5 near or roof pressure on the rib of bearing inner race 10, the outer end roof pressure of dust excluder lips 8 is on the bore of bearing inner race 10 seal grooves.
For the oil content in the lubricating grease is sealed, also be provided with the oil sealing lip 7 that stretches out along body 1 cod inside at inner ring sealed end place, the outer end of envelope fat lip 5 and the outer end of oil sealing lip 7 all are positioned at the homonymy of body 1, and oil sealing lip 7 is positioned at the radial outside of envelope fat lip 5 in the position at inner ring sealed end place.On the finished product bearing, oil sealing lip 7 is positioned at bearing inner race 10 grooves 9, and the outer end roof pressure of oil sealing lip 7 is on the inner side surface of this groove 9.
Be provided with the reinforcement lip 4 of dihedral at inner ring sealed end place, strengthen the homonymy that lip 4 and dust excluder lips 8 are positioned at body 1, strengthen the radial outside of lip 4, and between reinforcement lip 4 and dust excluder lips 8, forming V-shaped groove 6 on the body 1 in dust excluder lips 8.
Above-mentioned reinforcement lip 4, oil sealing lip 7, envelope fat lip 5 and dust excluder lips 8 all are circular, and they and body 1 are connected as a single entity, and their location arrangements on body 1 make the truncation surface of inner ring sealed end be similar to be " worker " font.
Inside edge at skeleton 2 is provided with towards the envelope fat lip 5 oblique flangings that stretch out 3, and the outer end of this flanging 3 terminates in the root of envelope fat lip 5.Flanging 3 is on the same horizontal line with the position of strengthening lip 4 outer ends substantially with the position of skeleton 2 intersections, and flanging 3 and skeleton 2 respectively with two parallel sided strengthening lip 4.
Claims (7)
1. bearing dustproof and waterproof seal ring, comprise circular seal ring body and be located at intrinsic metal frame, the body outward edge is the outer ring sealed end, inward flange is the inner ring sealed end, it is characterized in that, described inner ring sealed end place is provided with envelope fat lip (5), and envelope fat lip (5) is towards oblique the stretching out in the outside of body (1); Be provided with dust excluder lips (8) at inner ring sealed end place with the relative side of envelope fat lip (5), dust excluder lips (8) towards with oblique the stretching out in the outside of the relative side of envelope fat lip (5).
2. bearing dustproof and waterproof seal ring according to claim 1, it is characterized in that, the radially inner side that described inner ring sealed end is in envelope fat lip (5) is provided with oil sealing lip (7), the parallel axes of oil sealing lip (7) and body (1), and the outer end of oil sealing lip (7) and envelope fat lip (5) all is positioned at the homonymy of body (1).
3. bearing dustproof and waterproof seal ring according to claim 2, it is characterized in that, the radial outside that described inner ring sealed end is in dust excluder lips (5) is provided with the reinforcement lip (4) of dihedral, and body (1) is gone up in strengthening being formed with V-shaped groove (6) between lip (4) and the dust excluder lips (8).
4. bearing dustproof and waterproof seal ring according to claim 3 is characterized in that, approximate " worker " font that is of the truncation surface of described inner ring sealed end.
5. according to claim 1,2,3 or 4 described bearing dustproof and waterproof seal rings, it is characterized in that described skeleton (2) inside edge is provided with the oblique flanging (3) that stretches to envelope fat lip (5).
6. bearing dustproof and waterproof seal ring according to claim 5 is characterized in that, the outer end of described flanging (3) terminates in the root of envelope fat lip (5).
7. bearing dustproof and waterproof seal ring according to claim 3, it is characterized in that, described skeleton (2) inside edge is provided with the oblique flanging (3) that stretches to envelope fat lip (5), and flanging (3) is corresponding with the position of described reinforcement lip (4) outer end with the position that skeleton (2) intersects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201366582U CN201651073U (en) | 2010-03-22 | 2010-03-22 | Bearing dustproof waterproof sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201366582U CN201651073U (en) | 2010-03-22 | 2010-03-22 | Bearing dustproof waterproof sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651073U true CN201651073U (en) | 2010-11-24 |
Family
ID=43116308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201366582U Expired - Fee Related CN201651073U (en) | 2010-03-22 | 2010-03-22 | Bearing dustproof waterproof sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848387A (en) * | 2019-11-22 | 2020-02-28 | 江门市鑫辉特种密封科技有限公司 | Sealing mechanism for high-speed wire rolling mill |
| CN115143191A (en) * | 2022-06-24 | 2022-10-04 | 重庆市新超力轴承有限公司 | Waterproof and oilproof sealed bearing |
-
2010
- 2010-03-22 CN CN2010201366582U patent/CN201651073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848387A (en) * | 2019-11-22 | 2020-02-28 | 江门市鑫辉特种密封科技有限公司 | Sealing mechanism for high-speed wire rolling mill |
| CN115143191A (en) * | 2022-06-24 | 2022-10-04 | 重庆市新超力轴承有限公司 | Waterproof and oilproof sealed bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |