CN203348338U - Bearing seal ring - Google Patents
Bearing seal ring Download PDFInfo
- Publication number
- CN203348338U CN203348338U CN 201320240844 CN201320240844U CN203348338U CN 203348338 U CN203348338 U CN 203348338U CN 201320240844 CN201320240844 CN 201320240844 CN 201320240844 U CN201320240844 U CN 201320240844U CN 203348338 U CN203348338 U CN 203348338U
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- CN
- China
- Prior art keywords
- lip
- bearing
- size
- ring
- inner race
- 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
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Abstract
The utility model provides a bearing seal ring, belongs to the technical field of bearing manufacturing, and mainly solves the problems that the rigidity of a conventional one-way sealing bearing structure is not high enough and the sealing effect is not good enough. The bearing seal ring is mainly characterized in that the outer diameter of the seal ring is an outer circle size in interference fit with a sealing groove in an outer ring; three sealing lips are arranged in the inner diameter position, corresponding to the inner ring, of the seal ring; a first lip adopts a first lip inner diameter size in clearance fit with an outer circle surface of the inner ring; a second lip adopts a second lip inner diameter size in transition fit with the bottom size of an end surface groove in the inner ring; a third lip adopts a third lip inner diameter size in interference fit with the size of the end surface groove in the inner ring; an axial size between the first lip and the second lip is an axial size in transition fit with the axial size of an opening in the end surface groove in the bearing inner ring; a concave arc is arranged in the central position of a rigid ring; and the second lip, the third lip and the end surface groove size can form a cavity. The bearing seal ring has the characteristics of reasonable and simple structure and manufacturing convenience, and is particularly suitable for severe working environments with more mud and water.
Description
Technical field
The utility model belongs to bearing manufacturing technology field, is specifically related to a kind of bearing sealed ring that is applicable to the stuffing box bearing that uses under the rugged environment more at sand water.
Background technique
It is poor that stuffing box bearing is generally used for working condition, and higher dustproof and waterproof sealability requirement is arranged.Different bearing producers applies different design method aspect sealing configuration.The structural design of seal ring has a great impact the sealability of bearing.The seal ring of existing one-way sealing bearing structure comprises the bearing sealed ring that contains stereosphere, be arranged in the seal groove between bearing outer ring and inner ring, exist maze path to fall short of, rigidity is not high enough, be not easy to that grease refluxes, the imperfect defect of sealing effect.
Summary of the invention
The utility model is for overcoming one-way sealing bearing structure defect, proposes a kind ofly to extend maze path, improves rigidity, is convenient to the bearing sealed ring that grease refluxes, improves flexibility of revolution, good sealing effect.
Technical solution of the present utility model is: a kind of bearing sealed ring, comprise the seal ring that is arranged between bearing outer ring and inner ring, contains stereosphere, it is characterized in that: the external diameter of described seal ring for bearing outer ring on the excircle dimension of seal groove interference fit; The inner diameter location that seal ring is corresponding with bearing inner race periphery and end face groove arranges three sealing lips, wherein a lip is the lip internal diameter size with bearing inner race periphery Spielpassung, bilabiate is the bilabiate internal diameter size with bearing inner race end face groove bottom land size transition fit, three lips are the three lip internal diameter sizes with bearing inner race end face groove groove size interference fit, and the axial dimension between a lip and bilabiate is the axial dimension with bearing inner race end face groove notch axial dimension transition fit; Described stereosphere central position arranges the spill arc; Described bilabiate, three lips can with bearing inner race end face groove groove size composition cavity.
The utility model is due on the basis at the existing bearing sealed ring that contains stereosphere, by the external diameter of bearing sealed ring be designed to bearing outer ring on the excircle dimension of seal groove interference fit, the bearing sealed ring inner diameter location is arranged to three sealing lips corresponding with bearing inner race periphery and end face groove, wherein a lip is the lip internal diameter size with bearing inner race periphery Spielpassung, bilabiate is the bilabiate internal diameter size with bearing inner race end face groove bottom land size transition fit, three lips are the three lip internal diameter sizes with bearing inner race end face groove groove size interference fit, axial dimension between one lip and bilabiate is the axial dimension with bearing inner race end face groove notch axial dimension transition fit, the stereosphere central position arranges the spill arc, bilabiate, three lips can with bearing inner race end face groove groove size composition cavity, thereby can make a lip combine with bearing inner race periphery structure, adopt and gently contact radial seal with the inner ring external diameter, bilabiate and bearing inner race end face groove bottom land size axis to, radially sealing simultaneously, three lips with bearing inner race end face groove groove size outer circle diameter to contacting sealing, the sealing structure adopts multi-sealed, extend maze path, the seal ring stereosphere increases the spill arc, when improving rigidity, being convenient to grease refluxes, fill grease in the cavity of seal ring and bearing inner race end face groove groove size composition, both improved flexibility of revolution, improved again sealing effect.The utlity model has rational in infrastructurely, simple, easy to make, manufacturing cost is lower, can effectively prevent sand water or stop grease to exosmosis, can reduce significantly the friction torque of operation, reduce the characteristics such as temperature rise, be particularly useful for using in the more more severe work condition environment of sand water.
The accompanying drawing explanation
Fig. 1 is bearing sealed ring of the present utility model and coordinates figure with bearing enclose.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, concrete technological scheme of the present utility model is further described.
Embodiment as shown in Figure 1.Bearing outer ring 1, seal groove 1-1, bearing inner race 2, external diameter (inner ring) size 2-1, bearing inner race end face groove notch axial dimension 2-2, bearing inner race end face groove bottom land size 2-3, bearing inner race end face groove groove size 2-4, bearing sealed ring 3, stereosphere 3-1, spill arc 3-1-1, a lip internal diameter size 3-2, axial dimension 3-3, bilabiate internal diameter size 3-4, three lip internal diameter size 3-5, excircle dimension 3-6, cavity 4 are arranged in diagram.
Bearing sealed ring 3 is between bearing sealed ring 3 and bearing inner race 2, and inboard is provided with stereosphere 3-1.Seal groove 1-1 is set on bearing outer ring 1, and the external diameter of bearing sealed ring 3 is the excircle dimension 3-6 with seal groove 1-1 interference fit.Bearing inner race 2 top external diameter size 2-1 arrange end face groove on bearing inner race 2, and the inner diameter location that bearing sealed ring 3 is corresponding with bearing inner race periphery (or outside dimension 2-1) and end face groove arranges three sealing lips.Wherein, a lip is the lip internal diameter size 3-2 with outside dimension 2-1 Spielpassung; Bilabiate is the bilabiate internal diameter size 3-4 with bearing inner race end face groove bottom land size 2-3 transition fit; Three lips are the three lip internal diameter size 3-5 with bearing inner race end face groove groove size 2-4 interference fit; Axial dimension 3-3 between one lip and bilabiate is the axial dimension with bearing inner race end face groove notch axial dimension 2-2 transition fit.Stereosphere 3-1 central position arranges spill arc 3-1-1, bearing sealed ring 3 and this spill arc 3-1-1 form fit.Described bilabiate, three lips and bearing inner race end face groove groove size 2-4 form cavity 4, the interior repack with grease of cavity 4.Be respectively equipped with 5 ° of outer inclined-planes between the periphery of bearing inner race 2 and bearing inner race end face groove.
Like this, when the sand water outside three lips is wanted to enter bearing, being about to seal ring axial dimension 3-3 size presses to bearing inner race end face groove notch axial dimension 2-2 and makes it to press tighter and tighter, effectively reach the effect that sand water enters bearing inside, the cavity 4 of two, three lips, containing grease, also organizes extraneous dirt to enter simultaneously.Equally, along with the rotation of bearing and steel ball, the tendency of the oriented exosmosis of grease of putting in it, and grease actuates seal ring one lip internal diameter size 3-2 simultaneously and presses to outside dimension 2-1, its active force makes it to reach optimal seal.Under centrifugal action, grease outwards throws away, and is subject to the active force of seal ring spill arc 3-1-1, and grease circulates to bearing channel, improves the Lipid use rate.
Claims (1)
1. a bearing sealed ring, comprise the seal ring that is arranged between bearing outer ring (1) and inner ring (2), contains stereosphere, it is characterized in that: the external diameter of described seal ring (3) for bearing outer ring (1) on the excircle dimension (3-6) of seal groove (1-1) interference fit; The inner diameter location that seal ring (3) is corresponding with bearing inner race periphery and end face groove arranges three sealing lips, wherein a lip is the lip internal diameter size (3-2) with bearing inner race periphery Spielpassung, bilabiate is the bilabiate internal diameter size (3-4) with bearing inner race end face groove bottom land size (2-3) transition fit, three lips are the three lip internal diameter sizes (3-5) with bearing inner race end face groove groove size (2-4) interference fit, and the axial dimension between a lip and bilabiate (3-3) is the axial dimension with bearing inner race end face groove notch axial dimension (2-2) transition fit; Described stereosphere (3-1) central position arranges spill arc (3-1-1); Described bilabiate, three lips and bearing inner race end face groove groove size (2-4) form cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240844 CN203348338U (en) | 2013-05-07 | 2013-05-07 | Bearing seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320240844 CN203348338U (en) | 2013-05-07 | 2013-05-07 | Bearing seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348338U true CN203348338U (en) | 2013-12-18 |
Family
ID=49748244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320240844 Expired - Fee Related CN203348338U (en) | 2013-05-07 | 2013-05-07 | Bearing seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712662A (en) * | 2015-03-27 | 2015-06-17 | 安徽利达汽车轴承制造有限公司 | Ball bearing with sealing ring |
-
2013
- 2013-05-07 CN CN 201320240844 patent/CN203348338U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712662A (en) * | 2015-03-27 | 2015-06-17 | 安徽利达汽车轴承制造有限公司 | Ball bearing with sealing ring |
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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: 20131218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |