CN104196877A - Constant-section ultrathin-wall bearing seal structure - Google Patents
Constant-section ultrathin-wall bearing seal structure Download PDFInfo
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- CN104196877A CN104196877A CN201410362711.3A CN201410362711A CN104196877A CN 104196877 A CN104196877 A CN 104196877A CN 201410362711 A CN201410362711 A CN 201410362711A CN 104196877 A CN104196877 A CN 104196877A
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- Prior art keywords
- ring
- seal
- outer ring
- inner ring
- wall bearing
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Abstract
The invention relates to a constant-section ultrathin-wall bearing seal structure comprising an outer ring, an inner ring, a rolling body, a holder, first seal rings, second seal rings, outer ring grippers and inner ring boss steps, wherein the symmetrical outer ring grippers are arranged at the inner diameter of the outer ring; the symmetrical inner ring boss steps are arranged at the outer diameter of the inner ring; the first seal rings are clamped between the outer ring grippers and the inner ring boss steps; the outer diameters of the first seal rings are connected with the inner diameters of the outer ring grippers and the first seal rings are fixed in the outer ring grippers; and the second seal rings are pasted on the surface of the first seal rings and extend radially along the inner sides of one ends of the first seal rings to be tightly pasted radially with the inner ring boss steps. The constant-section ultrathin-wall bearing seal structure adopts a radial contact-type seal structure, the inner ring boss steps are right-angle steps, the seal effect is good, the starting friction moment is reduced, and the operating flexibility is improved.
Description
Technical field
The present invention relates to a kind of uniform section ultra-thin-wall bearing, particularly relate to a kind of uniform section ultra-thin-wall bearing seal structure.
Background technique
Different according to practical operating mode, uniform section ultra-thin-wall bearing has two kinds of open type and encloseds, in closed bearing, has contact-type and contactless two kinds of seal form, what we selected is contact seal form, adopts sealing configuration---the end face seal of international famous brand name KAYDON.Referring to shown in Fig. 1, is prior art uniform section ultra-thin-wall bearing seal structure schematic diagram, and inner ring boss step 7 is incline benches, and sealing is close to, i.e. end face seal in the Yu Qi inclined-plane, one end of the second seal ring 52.In actual applications, the shortcoming of this end face seal structure is, sealing effect is poor, the more difficult measurement of inclined-plane machining and control, and bearing frictional torque is not of uniform size.
Because the problem that above-mentioned existing uniform section ultra-thin-wall bearing seal structure exists, the inventor is based on being engaged in this type of product specification manufacture abundant practical experience and professional knowledge for many years, positive research and innovation in addition, to founding a kind of new uniform section ultra-thin-wall bearing seal structure, can improve general existing uniform section ultra-thin-wall bearing seal structure, make it have more practicability.Through constantly research, design, and after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
Main purpose of the present invention is, overcome the problem that existing uniform section ultra-thin-wall bearing seal structure exists, and a kind of new uniform section ultra-thin-wall bearing seal structure is provided, technical problem to be solved is to improve the sealing of bearing, reduce starting friction moment, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of uniform section ultra-thin-wall bearing seal structure proposing according to the present invention, comprise: outer ring 1, inner ring 2, rolling element 3, retainer 4, the first seal ring 51, the second seal ring 52, the outer ring age of a draught animal 6 and inner ring boss step 7, wherein, in raceway groove between outer ring 1 and inner ring 2, be provided with rolling element 3, rolling element 3 is fixed by retainer 4, the inner radius of outer ring 1 is provided with the symmetrical outer ring age of a draught animal 6, the outer radius of inner ring 2 is provided with symmetrical inner ring boss step 7, between the outer ring age of a draught animal 6 and inner ring boss step 7, be folded with the first seal ring 51, the external diameter of the first seal ring 51 is connected with the internal diameter of the outer ring age of a draught animal 6 and is fixed in the outer ring age of a draught animal 6, the second seal ring 52 sticks in the first seal ring 51 surfaces, and along the inner side of first seal ring 51 one end, radially extend and be radially close to inner ring boss step 7.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid uniform section ultra-thin-wall bearing seal structure, wherein said the first seal ring 51 is L-type.
Aforesaid uniform section ultra-thin-wall bearing seal structure, wherein said inner ring boss step 7 is right angle step.
Aforesaid uniform section ultra-thin-wall bearing seal structure, wherein said the first seal ring 51 is carbon steels, plays support strength.
Aforesaid uniform section ultra-thin-wall bearing seal structure, wherein said the second seal ring 52 is nitrile butadiene rubbers, plays a part to flexibly connect.
By technique scheme, uniform section ultra-thin-wall bearing seal structure of the present invention at least has following advantages and beneficial effect:
1. the present invention adopts radial contact seal structure, sealing uniformity, and sealing effect is better, has reduced starting friction moment, has increased going slick property, and then can enhance productivity;
2. inner ring boss step 7 of the present invention is right angle step, and the second seal ring 52 is radially close to sealing with its right angle step external diameter cylndrical surface, the easy machining of its right angle face and measurement, and manufacturing efficiency is high, and sealing effect is better.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is prior art uniform section ultra-thin-wall bearing seal structure schematic diagram.
Fig. 2 is uniform section ultra-thin-wall bearing seal structure schematic diagram of the present invention.
[primary component symbol description]
1: outer ring 2: inner ring
3: rolling element 4: retainer
52: the second seal rings of 51: the first seal rings
6: the outer ring age of a draught animal 7: inner ring boss step
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of uniform section ultra-thin-wall bearing seal structure, structure, feature and feature to proposing according to the present invention, be described in detail as follows.
Refer to shown in Fig. 2, it is uniform section ultra-thin-wall bearing seal structure schematic diagram of the present invention, comprise: outer ring 1, inner ring 2, rolling element 3, retainer 4, the first seal ring 51, the second seal ring 52, the outer ring age of a draught animal 6 and inner ring boss step 7, wherein, in raceway groove between outer ring 1 and inner ring 2, be provided with rolling element 3, rolling element 3 is fixed by retainer 4, the inner radius of outer ring 1 is provided with the symmetrical outer ring age of a draught animal 6, the outer radius of inner ring 2 is provided with symmetrical inner ring boss step 7, between the outer ring age of a draught animal 6 and inner ring boss step 7, be folded with the first seal ring 51, the external diameter of the first seal ring 51 is connected with the internal diameter of the outer ring age of a draught animal 6 and is fixed in the outer ring age of a draught animal 6, the second seal ring 52 sticks in the first seal ring 51 surfaces, and along the inner side of first seal ring 51 one end, radially extend and be radially close to inner ring boss step 7.
Inner ring boss step 7 of the present invention is right angle step, and the first seal ring 51 is L-type, and is carbon steel material, plays support strength, and the second seal ring 52 is nitrile butadiene rubbers, plays a part to flexibly connect.
The present invention adopts radial contact seal structure, sealing uniformity, and sealing effect is better, has reduced starting friction moment, has increased going slick property, and then can enhance productivity.Inner ring boss step 7 is right angle step, and the second seal ring 52 is radially close to sealing with its right angle step external diameter cylndrical surface, the easy machining of its right angle face and measurement, and manufacturing efficiency is high, and sealing effect is better.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong within the scope of technical solution of the present invention.
Claims (5)
1. a uniform section ultra-thin-wall bearing seal structure, comprise: outer ring (1), inner ring (2), rolling element (3), retainer (4), the first seal ring (51), the second seal ring (52), the outer ring age of a draught animal (6) and inner ring boss step (7), wherein, in raceway groove between outer ring (1) and inner ring (2), be provided with rolling element (3), rolling element (3) is fixing by retainer (4), it is characterized in that
The inner radius of outer ring (1) is provided with the symmetrical outer ring age of a draught animal (6), the outer radius of inner ring (2) is provided with symmetrical inner ring boss step (7), between the outer ring age of a draught animal (6) and inner ring boss step (7), be folded with the first seal ring (51), the external diameter of the first seal ring (51) is connected with the internal diameter of the outer ring age of a draught animal (6) and is fixed in the outer ring age of a draught animal (6), the second seal ring (52) sticks in the first seal ring (51) surface, and along the inner side of the first seal ring (51) one end, radially extends and be radially close to inner ring boss step (7).
2. uniform section ultra-thin-wall bearing seal structure according to claim 1, is characterized in that, wherein said the first seal ring (51) is L-type.
3. uniform section ultra-thin-wall bearing seal structure according to claim 1, is characterized in that, wherein said inner ring boss step (7) is right angle step.
4. uniform section ultra-thin-wall bearing seal structure according to claim 1, is characterized in that, wherein said the first seal ring (51) is carbon steel, plays support strength.
5. uniform section ultra-thin-wall bearing seal structure according to claim 1, is characterized in that, wherein said the second seal ring (52) is nitrile butadiene rubber, plays a part to flexibly connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362711.3A CN104196877A (en) | 2014-07-28 | 2014-07-28 | Constant-section ultrathin-wall bearing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362711.3A CN104196877A (en) | 2014-07-28 | 2014-07-28 | Constant-section ultrathin-wall bearing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104196877A true CN104196877A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410362711.3A Pending CN104196877A (en) | 2014-07-28 | 2014-07-28 | Constant-section ultrathin-wall bearing seal structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286605A (en) * | 2015-05-28 | 2017-01-04 | 江苏万达特种轴承有限公司 | The roller of double inner wrap strip retainers |
| CN113464565A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Non-contact type sealing bearing |
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|---|---|---|---|---|
| CN1073245A (en) * | 1991-12-14 | 1993-06-16 | 吴伟祖 | A kind of rubber, plastic anti-dust seal lid |
| CN1373836A (en) * | 1999-09-10 | 2002-10-09 | Snfa公司 | Hybrid ball bearing with ceramic balls and steel rings |
| JP2006022867A (en) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | Rolling bearing with sealing plate |
| CN101140012A (en) * | 2007-09-27 | 2008-03-12 | 常熟长城轴承有限公司 | Multiple lips non-contact type bearing seal structure |
| CN201401435Y (en) * | 2009-04-07 | 2010-02-10 | 温岭市环宇轴承有限公司 | Tension pulley bearing |
| CN102135133A (en) * | 2011-04-27 | 2011-07-27 | 洛阳轴研科技股份有限公司 | Sealed single-row cylindrical roller bearing |
| CN202040217U (en) * | 2011-05-07 | 2011-11-16 | 闵乐宁 | Bearing seal check ring |
| CN203641281U (en) * | 2013-12-03 | 2014-06-11 | 浙江新昌皮尔轴承有限公司 | Precise bearing for elevator |
| CN203670462U (en) * | 2013-10-22 | 2014-06-25 | 浙江省新昌新轴实业有限公司 | Sealed type tapered roller bearing |
| CN203717674U (en) * | 2014-03-08 | 2014-07-16 | 启东锦桥轴承有限公司 | Standard contact sealing ring with shoulder pad and composite structure thereof |
| CN203979128U (en) * | 2014-07-28 | 2014-12-03 | 洛阳维斯格轴承有限公司 | A kind of uniform section ultra-thin-wall bearing seal structure |
-
2014
- 2014-07-28 CN CN201410362711.3A patent/CN104196877A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073245A (en) * | 1991-12-14 | 1993-06-16 | 吴伟祖 | A kind of rubber, plastic anti-dust seal lid |
| CN1373836A (en) * | 1999-09-10 | 2002-10-09 | Snfa公司 | Hybrid ball bearing with ceramic balls and steel rings |
| JP2006022867A (en) * | 2004-07-07 | 2006-01-26 | Nsk Ltd | Rolling bearing with sealing plate |
| CN101140012A (en) * | 2007-09-27 | 2008-03-12 | 常熟长城轴承有限公司 | Multiple lips non-contact type bearing seal structure |
| CN201401435Y (en) * | 2009-04-07 | 2010-02-10 | 温岭市环宇轴承有限公司 | Tension pulley bearing |
| CN102135133A (en) * | 2011-04-27 | 2011-07-27 | 洛阳轴研科技股份有限公司 | Sealed single-row cylindrical roller bearing |
| CN202040217U (en) * | 2011-05-07 | 2011-11-16 | 闵乐宁 | Bearing seal check ring |
| CN203670462U (en) * | 2013-10-22 | 2014-06-25 | 浙江省新昌新轴实业有限公司 | Sealed type tapered roller bearing |
| CN203641281U (en) * | 2013-12-03 | 2014-06-11 | 浙江新昌皮尔轴承有限公司 | Precise bearing for elevator |
| CN203717674U (en) * | 2014-03-08 | 2014-07-16 | 启东锦桥轴承有限公司 | Standard contact sealing ring with shoulder pad and composite structure thereof |
| CN203979128U (en) * | 2014-07-28 | 2014-12-03 | 洛阳维斯格轴承有限公司 | A kind of uniform section ultra-thin-wall bearing seal structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286605A (en) * | 2015-05-28 | 2017-01-04 | 江苏万达特种轴承有限公司 | The roller of double inner wrap strip retainers |
| CN113464565A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Non-contact type sealing bearing |
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Application publication date: 20141210 |