CN204512197U - A kind of bearing sealed ring - Google Patents
A kind of bearing sealed ring Download PDFInfo
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- CN204512197U CN204512197U CN201520160637.7U CN201520160637U CN204512197U CN 204512197 U CN204512197 U CN 204512197U CN 201520160637 U CN201520160637 U CN 201520160637U CN 204512197 U CN204512197 U CN 204512197U
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- supporting board
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- dust
- lip
- sealing element
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Abstract
The utility model relates to a kind of bearing sealed ring, its sealing element framework sectional shape is " ㄣ " font, sealing element framework includes axially extended cylindrical portion, the axial one end of cylindrical portion is provided with the axial inner ends supporting board of ring-type, axial inner ends supporting board extends towards the upset of cylindrical portion internal side diameter, the axial the other end of cylindrical portion is provided with the axial outer end supporting board of ring-type, axial outer end supporting board extends towards the upset of cylindrical portion outside diameter, described grease seal lip is positioned at the corresponding axial inner ends supporting board one end of sealing element framework, corresponding described outer dust-proof lip is positioned at sealing element framework corresponding shaft supporting board one end outward.Compared with prior art, structure is more simple, easy to process for the utility model, and easy for installation and sealing validity can be good.
Description
Technical field
The utility model relates to technical field of mechanical, is specifically a kind of bearing sealed ring.
Background technique
Stuffing box bearing has antipollution, anti-dust and simplifies the advantages such as main machine structure, and is convenient to installation and maintenance, is obtained for extensive use in each fields such as household electrical appliances, motor, vehicle, metallurgy, engineering machinery, light industry and machinery.The quality of sealability often determines usability and the life-span of stuffing box bearing, and therefore the design of seal ring becomes the emphasis of stuffing box bearing design.
China Patent No. be disclose in the patent documentation of 201320248661.7 " universal joint and spindle dustproof Sealing thereof " (authorize publication number be: CN 203297402 U), wherein, disclose a kind of Sealing (seal ring), comprise sealing element framework and be coated on the rubbery sealed body of sealing element framework inner ring side, sealing element framework is two-stage stairstepping, rubbery sealed body is according to main function, be divided into grease seal ring and dust ring, grease seal ring and dust ring are structure as a whole, grease seal ring and dust ring have included rubber matrix, the rubber matrix of fat seal ring is provided with and is positioned at inner ring and two seal lips tilted towards the direction of dust ring, the rubber matrix of described dust ring be provided with away from the outer dust-proof lip of grease seal ring and in grease seal ring dust-proof lip, interior dust-proof lip is triangle, leg-of-mutton while overlap with the rubber matrix of dust ring, outer dust-proof lip is towards the circle outer incline of dust ring., there is following defect in the Sealing of said structure:
1, sealing element framework adopts two-stage stairstepping, its complex structure, its processing technology difficulty is large, and causes the rubbery sealed body shape and structure be attached on sealing element framework complicated simultaneously, processing technology difficulty is large, and the rubber seal assembly process of this structure is complicated.
2, interior dust excluder lips adopts triangle, and sealed elastic is poor, and sealing effect is poor, and sealed lip wear-resisting property is poor easily causes sealing life short.
Summary of the invention
For the deficiency that prior art exists, it is simple, easy to process that the purpose of this utility model is to provide a kind of structure, the bearing sealed ring that easy for installation and sealing validity can be good.
For achieving the above object, the utility model provides following technological scheme: a kind of bearing sealed ring, include sealing element framework, and be coated on the rubbery sealed body of sealing element framework inner ring side, rubbery sealed body comprises rubber matrix, rubber matrix internal side diameter is provided with outer dust-proof lip, interior dust-proof lip and at least two grease seal lips, outer dust-proof lip, interior dust-proof lip and grease seal lip are axially arranged, interior dust-proof lip is between grease seal lip and outer dust-proof lip, it is characterized in that: described sealing element framework sectional shape is " ㄣ " font, sealing element framework includes axially extended cylindrical portion, the axial one end of cylindrical portion is provided with the axial inner ends supporting board of ring-type, axial inner ends supporting board extends towards the upset of cylindrical portion internal side diameter, the axial the other end of cylindrical portion is provided with the axial outer end supporting board of ring-type, axial outer end supporting board extends towards the upset of cylindrical portion outside diameter, described grease seal lip is positioned at the corresponding axial inner ends supporting board one end of sealing element framework, corresponding described outer dust-proof lip is positioned at sealing element framework corresponding shaft supporting board one end outward.
By adopting technique scheme, sealing element framework structure is simple, simple punching press crimp technique is only needed to realize, simple for process, facilitate rubbery sealed body to be molded on sealing element framework simultaneously, this construction seals Skeleton assembly is convenient, firm position, is not easy after assembling to come off, and outer dust-proof lip and interior dust-proof lip effectively can resist extraneous foreign matter and enter Bearing inner, seal lip can effectively prevent grease from the inside of bearing toward external leakage, has the reliable advantage of sealing.
The utility model is set to further: described grease seal lip is in tilting towards axial outer end supporting board one end, outer dust-proof lip tilts in towards away from axial inner ends supporting board one end, and the conflict end of outer dust-proof lip crosses described axial outer end supporting board.
By adopting technique scheme, grease seal lip inclined design, has better sealed elastic, and sealability is better, the inclined design of outer dust-proof lip and cross axial outer end supporting board, and better can contact sealing, sealing effect is better.
The utility model is set to further: the root of described outer dust-proof lip is positioned at cylindrical portion and the axial outer end supporting board joint of described sealing element framework.
Said structure is arranged down, and dust-proof lip intensity is better, and improves the sealing contact reliability with bearing ring further, improves sealability.
The utility model is set to further: the shape of described interior dust-proof lip is long strip, and interior dust-proof lip is in tilting towards away from axial inner ends supporting board one end.
Said structure is arranged down, in dust-proof lip elasticity better, abrasion resistance properties is high, and the contact of dust-proof lip in compensating when the contact jaw wearing and tearing of interior dust-proof lip, and sealability is effectively kept, there is better sealing effect and longer working life.
The utility model is set to further: described rubber matrix extends and covers the axial end of described axial outer end supporting board away from axial inner ends supporting board, and the radial outer end face of axial outer end supporting board.
Said structure is arranged down, axial outer end supporting board is away from the axial end of axial inner ends supporting board, and outside the radial outer end face of axial outer end supporting board is generally exposed to, sealing element framework can be made to possess resist the ability of extraneous corrosion, longer service life.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment bearing sealed ring using state schematic diagram;
Fig. 2 is the utility model specific embodiment bearing sealed ring structural representation.
Embodiment
See accompanying drawing 1 and accompanying drawing 2, a kind of bearing sealed ring disclosed in the utility model, includes sealing element framework 1, and is coated on the rubbery sealed body 2 of sealing element framework 1 inner ring side; Rubbery sealed body 2 comprises rubber matrix 21, rubber matrix 21 internal side diameter is provided with outer dust-proof lip 22, interior dust-proof lip 23 and at least two grease seal lips 24,25, outer dust-proof lip 22, interior dust-proof lip 23 and grease seal lip 24,25 are axially arranged, interior dust-proof lip 23 is between grease seal lip 24 and outer dust-proof lip 22.Described sealing element framework 1 sectional shape is " ㄣ " font, sealing element framework 1 includes axially extended cylindrical portion 11, the axial one end of cylindrical portion 11 is provided with the axial inner ends supporting board 12 of ring-type, axial inner ends supporting board 12 extends towards the upset of cylindrical portion 11 internal side diameter, the axial the other end of cylindrical portion 11 is provided with the axial outer end supporting board 13 of ring-type, axial outer end dunnage 13 extends towards the upset of cylindrical portion 11 outside diameter, described grease seal lip 24, 25 are positioned at sealing element framework 1 corresponding axial inner ends supporting board 12 one end, corresponding described outer dust-proof lip 22 is positioned at sealing element framework 1 corresponding shaft supporting board 13 one end outward.Wherein, the outer-diameter end face of cylindrical portion 11 forms radial support face, axial outer end supporting board 13 forms an axially support end face of seal ring installation towards axial inner ends supporting board 12 1 axial end, axial inner ends supporting board 12 is towards another axially support end face forming seal ring installation away from axial inner ends supporting board 13 1 axial end, under seal firmware shape and structure, easy to assembly, firm position, is not easy after assembling to come off; And seal skeletal structure is simple, only needs simple punching press crimp technique to realize, simple for process, facilitate rubbery sealed body to be molded on sealing element framework simultaneously.
In this specific embodiment, described grease seal lip 24,25 is in tilting towards axial outer end supporting board 13 one end, outer dust-proof lip 22 tilts in towards away from axial inner ends dunnage 12 one end, and the conflict end of outer dust-proof lip 22 crosses described axial outer end supporting board 13.Grease seal lip inclined design, have better sealed elastic, and sealability is better; The inclined design of outer dust-proof lip and cross axial outer end supporting board (as shown in Figure 1), better can contact sealing, sealing effect is better.Wherein, the root of described outer dust-proof lip 22 is positioned at cylindrical portion 11 and axial outer end supporting board 13 joint of described sealing element framework 1; Outer dust-proof lip intensity is better, and improves the sealing contact reliability with bearing ring further, improves sealability.
For improving the sealability of interior dust-proof lip, the shape of described interior dust-proof lip 23 is long strip, and interior dust-proof lip 23 is in tilting towards away from axial inner ends supporting board 12 one end.This interior dust-proof lip is compared with traditional triangle shape, rebound elasticity is better, and abrasion resistance properties is high, and the contact of dust-proof lip in compensating when the contact jaw wearing and tearing of interior dust-proof lip, and sealability is effectively kept, there is better sealing effect and longer working life.
Axial outer end supporting board 13 is away from the axial end of axial inner ends supporting board 12, and outside the radial outer end face of axial outer end supporting board 13 is generally exposed to, for ensureing the antiseptic property of sealing element framework, described rubber matrix 21 extends and covers the axial end of described axial outer end supporting board 13 away from axial inner ends supporting board 12, and the radial outer end face of axial outer end supporting board 13, on axial outer end supporting board 13, namely form the rubber-coated body 211 in edge.
Claims (5)
1. a bearing sealed ring, include sealing element framework, and be coated on the rubbery sealed body of sealing element framework inner ring side, rubbery sealed body comprises rubber matrix, rubber matrix internal side diameter is provided with outer dust-proof lip, interior dust-proof lip and at least two grease seal lips, outer dust-proof lip, interior dust-proof lip and grease seal lip are axially arranged, interior dust-proof lip is between grease seal lip and outer dust-proof lip, it is characterized in that: described sealing element framework sectional shape is " ㄣ " font, sealing element framework includes axially extended cylindrical portion, the axial one end of cylindrical portion is provided with the axial inner ends supporting board of ring-type, axial inner ends supporting board extends towards the upset of cylindrical portion internal side diameter, the axial the other end of cylindrical portion is provided with the axial outer end supporting board of ring-type, axial outer end supporting board extends towards the upset of cylindrical portion outside diameter, described grease seal lip is positioned at the corresponding axial inner ends supporting board one end of sealing element framework, corresponding described outer dust-proof lip is positioned at sealing element framework corresponding shaft supporting board one end outward.
2. bearing sealed ring according to claim 1, it is characterized in that: described grease seal lip is in tilting towards axial outer end supporting board one end, outer dust-proof lip tilts in towards away from axial inner ends supporting board one end, and the conflict end of outer dust-proof lip crosses described axial outer end supporting board.
3. bearing sealed ring according to claim 2, is characterized in that: the root of described outer dust-proof lip is positioned at cylindrical portion and the axial outer end supporting board joint of described sealing element framework.
4. bearing sealed ring according to claim 1 or 2 or 3, is characterized in that: the shape of described interior dust-proof lip is long strip, and interior dust-proof lip is in tilting towards away from axial inner ends supporting board one end.
5. bearing sealed ring according to claim 1 or 2 or 3, is characterized in that: described rubber matrix extends and covers the axial end of described axial outer end supporting board away from axial inner ends supporting board, and the radial outer end face of axial outer end supporting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520160637.7U CN204512197U (en) | 2015-03-20 | 2015-03-20 | A kind of bearing sealed ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520160637.7U CN204512197U (en) | 2015-03-20 | 2015-03-20 | A kind of bearing sealed ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512197U true CN204512197U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520160637.7U Active CN204512197U (en) | 2015-03-20 | 2015-03-20 | A kind of bearing sealed ring |
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| Country | Link |
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| CN (1) | CN204512197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179700A (en) * | 2015-09-29 | 2015-12-23 | 济南轨道交通装备有限责任公司 | Sealing device used for sealing shaft box shaft temperature detection hole and wagon shaft box |
-
2015
- 2015-03-20 CN CN201520160637.7U patent/CN204512197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179700A (en) * | 2015-09-29 | 2015-12-23 | 济南轨道交通装备有限责任公司 | Sealing device used for sealing shaft box shaft temperature detection hole and wagon shaft box |
| CN105179700B (en) * | 2015-09-29 | 2017-06-16 | 中车山东机车车辆有限公司 | A kind of sealing device and lorry axle box for sealing axle box axle temperature detection hole |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |