CN202833629U - Rolling bearing with high-property sealing structure - Google Patents
Rolling bearing with high-property sealing structure Download PDFInfo
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- CN202833629U CN202833629U CN 201220556293 CN201220556293U CN202833629U CN 202833629 U CN202833629 U CN 202833629U CN 201220556293 CN201220556293 CN 201220556293 CN 201220556293 U CN201220556293 U CN 201220556293U CN 202833629 U CN202833629 U CN 202833629U
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- ring
- roller
- bearing
- annular groove
- groove
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Abstract
The utility model discloses a rolling bearing with a high-property sealing structure. The rolling bearing comprises an outer bearing ring, an inner bearing ring and a roller path; a retainer is arranged inside the roller path; a roller is arranged on the retainer; a sealing ring and an opening clamping ring are arranged at the outer side of the inner bearing ring; an external annular groove is formed in the inner side wall of the outer bearing ring; the side wall (which is abutted against the roller) of the external annular groove is a straight outer ring side wall; an internal annular groove is formed in the outer side wall of the inner bearing ring; the side wall (which is abutted against the roller) of the inner annular groove is a straight inner ring side wall; the straight outer ring lateral wall and the straight inner ring lateral wall are arranged in a staggered manner; the plane in which the straight inner ring lateral wall is located is close to the outside in the axial direction; the outer ring sides of the sealing ring and the opening clamping ring are in interference fit with the external annular groove; and the inner ring side of the sealing ring and the internal annular groove are abutted against with each other. The straight outer ring side wall and the straight inner ring side wall of the rolling bearing provided by the utility model are arranged in the staggered manner, so that the interference fit of the sealing ring and the opening clamping ring with the external annular groove is relatively compact; and the sealing ring and the straight inner ring side wall are abutted against with each other in a relatively compact manner due to the pressing effect of the opening clamping ring, so that the sealing effect is relatively good.
Description
Technical field
The utility model relates to technical field of bearings, is specifically related to a kind of rolling bearing with high-performance sealing structure.
Background technique
Rolling bearing is a kind of conventional bearing of the prior art, rolling bearing generally is used for machinery transmission mechanically and installs, existing rolling bearing generally comprise bearing outer ring and bearing inner race and be arranged on bearing outer ring and bearing inner race between retainer, retainer is provided with roller, two outsides at the roller axial direction are provided with seal ring, thereby realize the sealing of rolling bearing, utilize simple O-ring seal to be fixed between bearing outer ring and the bearing inner race, realize the sealing of rolling bearing, not only sealing effect is poor, and under the long-term work operation of bearing, seal ring easily comes off, cause entering of the foreign matters such as the destruction of sealing and the interior dust of bearing or grease, sealing effect is poor, and performance is not good.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides a kind of good sealing effect, the good rolling bearing with high-performance sealing structure of performance.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of rolling bearing with high-performance sealing structure, comprise bearing outer ring and bearing inner race, form a raceway between the madial wall of described bearing outer ring and the outer side wall of bearing inner race, be provided with retainer in the raceway, described retainer is provided with roller, two outsides of described raceway are provided with seal ring and expanding ring, the madial wall of described bearing outer ring and seal ring corresponding position are provided with outer annular groove, outer annular groove is radially towards the inner opening setting, outer annular groove is the outer ring straight sidewall by the sidewall of roller, plane, straight sidewall place, outer ring is vertical with axial position, the outer side wall of described bearing inner race and seal ring corresponding position are provided with interior circular groove, interior circular groove is radially towards the outward opening setting, interior circular groove is the inner ring straight sidewall by the sidewall of roller, plane, inner ring straight sidewall place is vertical with axial position, described outer ring straight sidewall and inner ring straight sidewall mutual dislocation arrange, plane, described inner ring straight sidewall place is in the axial direction than the more outer setting in plane, straight sidewall place, outer ring, the outer rim side of described seal ring and expanding ring embeds outer annular groove, form interference fit with outer annular groove, the ring side embeds interior circular groove in the described seal ring, forms to conflict with interior circular groove to cooperate.
As preferably, the sidewall that described outer annular groove deviates from roller is the oblique sidewall in outer ring that is obliquely installed, the groove footpath of outer annular groove is increased gradually by bottom land to opening, the sidewall that described interior circular groove deviates from roller is the oblique sidewall of inner ring that is obliquely installed, and the groove footpath of interior circular groove is increased gradually by bottom land to opening.After adopting above-mentioned preferred version, can easily seal ring and expanding ring be installed in outer annular groove and the interior circular groove along the oblique sidewall in outer ring and the oblique sidewall of inner ring, install comparatively quick.
As preferably, be provided with the outer ring roller groove suitable with the roller shape with the roller corresponding position on the madial wall of described bearing outer ring, be provided with the inner ring roller groove suitable with the roller shape with the roller corresponding position on the outer side wall of described bearing inner race, the both sides of described roller radial direction embed respectively outer ring roller groove and inner ring roller groove, form roller and cooperate with the spacing of bearing outer ring and bearing inner race.After adopting above-mentioned preferred version, can further roller be arranged on the fixed position, make its place, fixed position on raceway do rolling, avoid roller in the bearing working process, to slip into other positions on the raceway.
As preferably, described seal ring and expanding ring by roller outwardly direction set gradually.After adopting above-mentioned preferred version, expanding ring and seal ring arrange from outside to inside, and expanding ring can be effectively compresses the cell wall of seal ring and outer annular groove and interior circular groove, thereby makes the sealing effect of bearing better.
As preferably, described expanding ring is provided with an opening, and a side of opening is provided with installation gap.After adopting above-mentioned preferred version, the be more convenient for installation of expanding ring of the setting of breach.
As preferably, described bearing outer ring and bearing inner race adopt the GCr15 steel to get.After adopting above-mentioned preferred version, bearing outer ring and bearing inner race can adopt the quenching of GCr15 steel to add 200 ℃ to 350 ℃ high-temperature tempering heat treatments or stainless steel according to high temperature resistant and other performance, can also inject special high temperature-resistant, low temperature resistant contour performance lubricating grease according to performance, thereby obtain the bearing of property, can make weathering resistance, the bearing of the performance such as low temperature resistant.
As preferably, described expanding ring is made by Austenitic Stainless Steel.After adopting above-mentioned preferred version, the corrosion resistance of expanding ring improves, and intensity is stronger, has better mechanical property, and drug resistance is stronger simultaneously, thus the working life of having improved expanding ring.
As preferably, described seal ring is made by the Teflon varnished cloth.After adopting above-mentioned preferred version, the friction factor of seal ring is low, and is more wear-resisting, working life that can the Effective Raise friction factor.
The outer ring straight sidewall of the outer annular groove of the rolling bearing with high-performance sealing structure of the present utility model and the inner ring straight sidewall of interior circular groove shift to install, after being installed in seal ring and expanding ring in two grooves again, seal ring and expanding ring are obliquely installed slightly, can make the interference fit of seal ring and expanding ring and outer annular groove more tight, and because the effect of pressing of expanding ring, the inner ring straight sidewall of seal ring and interior circular groove is conflicted more tight, thereby sealing effect is better.
Description of drawings
Fig. 1 is the utility model embodiment's overall structure schematic diagram;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment expanding ring;
Fig. 4 is the cross-sectional view of the utility model embodiment expanding ring;
Fig. 5 is the structural representation of the utility model embodiment seal ring;
Fig. 6 is the cross-sectional view of the utility model embodiment seal ring.
Embodiment
Such as Fig. 1-shown in Figure 6, embodiment of the present utility model is a kind of rolling bearing with high-performance sealing structure specifically, comprises bearing outer ring 1 and bearing inner race 2, and bearing outer ring 1 and bearing inner race 2 adopt the GCr15 steels to get.Bearing outer ring 1 in the utility model and bearing inner race 2 are quenched from 200 ℃ by the GCr15 steel and are heated to 350 ℃, process through high-temperature tempering that the stainless steel that obtains makes again, so that bearing can be used for low temperature-196 ℃ to the temperature range between 300 ℃ of the high temperature.Form a raceway 3 between the outer side wall of the madial wall of bearing outer ring 1 and bearing inner race 2.Be provided with retainer 4 in the raceway 3, retainer 4 is provided with spherical roller 5, and raceway 3 two outsides in axial direction are provided with seal ring 6 and expanding ring 7.Seal ring 6 is made by the Teflon varnished cloth.Expanding ring 7 is provided with an opening 71, and a side of opening 71 is provided with installation gap 711.The madial wall of bearing outer ring 1 and seal ring 6 corresponding positions are provided with outer annular groove 11, and outer annular groove 11 is radially towards the inner opening setting, and outer annular groove 11 is outer ring straight sidewall 111 by the sidewall of roller 5, and plane, outer ring straight sidewall 111 place is vertical with axial position.The outer side wall of bearing inner race 2 and seal ring 6 corresponding positions are provided with interior circular groove 21, interior circular groove 21 is radially towards the outward opening setting, interior circular groove 21 is inner ring straight sidewall 211 by the sidewall of roller 5, plane, inner ring straight sidewall 211 place is vertical with axial position, outer ring straight sidewall 111 and the 211 mutual dislocation settings of inner ring straight sidewall, plane, inner ring straight sidewall 211 place is in the axial direction than the more outer setting in plane, outer ring straight sidewall 111 place, the outer rim side of seal ring 6 and expanding ring 7 embeds outer annular groove 11, form interference fit with outer annular groove 11, circular groove 21 in the interior ring side of seal ring 6 embeds forms conflict with interior circular groove 21 and cooperates.
The sidewall that outer annular groove 11 deviates from roller 5 is the oblique sidewall 112 in outer ring that is obliquely installed, the groove footpath of outer annular groove 11 is increased gradually by bottom land to opening, the sidewall that interior circular groove 21 deviates from roller 5 is the oblique sidewall 212 of inner ring that is obliquely installed, and the groove footpath of interior circular groove 21 is increased gradually by bottom land to opening.
Be provided with the outer ring roller groove 12 suitable with roller 5 shapes with roller 5 corresponding positions on the madial wall of bearing outer ring 1, be provided with the inner ring roller groove 22 suitable with roller 5 shapes with roller 5 corresponding positions on the outer side wall of bearing inner race 2, the both sides of roller 5 radial direction embed respectively outer ring roller groove 12 and inner ring roller groove 22, form roller 5 and cooperate with bearing outer ring 1 and the spacing of bearing inner race 2.Seal ring 6 and expanding ring 7 by roller 5 outwardly direction set gradually.
During installation, first outer annular groove 11 and circular groove 21 are put into respectively in the outside and the inboard of seal ring 6, expanding ring 7 is being put into outer annular groove 11, when putting into, dwindles owing to being squeezed expanding ring 7, enter in the outer annular groove 11 and discharge, press seal circle 6, thereby form seal ring 6 and the outer rim side of expanding ring 7 and the interference fit of outer annular groove 11, and seal ring 6 parts in interior circular groove 21 more closely form conflict with inner ring straight sidewall 211 and cooperate owing to the dislocation of outer ring straight sidewall 111 and inner ring straight sidewall 211.
Claims (8)
1. rolling bearing with high-performance sealing structure, comprise bearing outer ring and bearing inner race, form a raceway between the madial wall of described bearing outer ring and the outer side wall of bearing inner race, be provided with retainer in the raceway, described retainer is provided with roller, it is characterized in that: two outsides of described raceway are provided with seal ring and expanding ring, the madial wall of described bearing outer ring and seal ring corresponding position are provided with outer annular groove, outer annular groove is radially towards the inner opening setting, outer annular groove is the outer ring straight sidewall by the sidewall of roller, plane, straight sidewall place, outer ring is vertical with axial position, the outer side wall of described bearing inner race and seal ring corresponding position are provided with interior circular groove, interior circular groove is radially towards the outward opening setting, interior circular groove is the inner ring straight sidewall by the sidewall of roller, plane, inner ring straight sidewall place is vertical with axial position, described outer ring straight sidewall and inner ring straight sidewall mutual dislocation arrange, plane, described inner ring straight sidewall place is in the axial direction than the more outer setting in plane, straight sidewall place, outer ring, the outer rim side of described seal ring and expanding ring embeds outer annular groove, form interference fit with outer annular groove, the ring side embeds interior circular groove in the described seal ring, forms to conflict with interior circular groove to cooperate.
2. the rolling bearing with high-performance sealing structure according to claim 1, it is characterized in that: the sidewall that described outer annular groove deviates from roller is the oblique sidewall in outer ring that is obliquely installed, the groove footpath of outer annular groove is increased gradually by bottom land to opening, the sidewall that described interior circular groove deviates from roller is the oblique sidewall of inner ring that is obliquely installed, and the groove footpath of interior circular groove is increased gradually by bottom land to opening.
3. the rolling bearing with high-performance sealing structure according to claim 1, it is characterized in that: be provided with the outer ring roller groove suitable with the roller shape with the roller corresponding position on the madial wall of described bearing outer ring, be provided with the inner ring roller groove suitable with the roller shape with the roller corresponding position on the outer side wall of described bearing inner race, the both sides of described roller radial direction embed respectively outer ring roller groove and inner ring roller groove, form roller and cooperate with the spacing of bearing outer ring and bearing inner race.
4. the rolling bearing with high-performance sealing structure according to claim 1 is characterized in that: described seal ring and expanding ring by roller outwardly direction set gradually.
5. according to claim 1 or 4 described rolling bearings with high-performance sealing structure, it is characterized in that: described expanding ring is provided with an opening, and a side of opening is provided with installation gap.
6. the rolling bearing with high-performance sealing structure according to claim 1 is characterized in that: described bearing outer ring and bearing inner race adopt the GCr15 steel to get.
7. according to claim 1 or 4 described rolling bearings with high-performance sealing structure, it is characterized in that: described expanding ring is made by Austenitic Stainless Steel.
8. according to claim 1 or 4 described rolling bearings with high-performance sealing structure, it is characterized in that: described seal ring is made by the Teflon varnished cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556293 CN202833629U (en) | 2012-10-26 | 2012-10-26 | Rolling bearing with high-property sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556293 CN202833629U (en) | 2012-10-26 | 2012-10-26 | Rolling bearing with high-property sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833629U true CN202833629U (en) | 2013-03-27 |
Family
ID=47945342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220556293 Expired - Fee Related CN202833629U (en) | 2012-10-26 | 2012-10-26 | Rolling bearing with high-property sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712643A (en) * | 2015-03-27 | 2015-06-17 | 安徽利达汽车轴承制造有限公司 | Ball bearing capable of preventing sealing ring from falling |
| CN109958719A (en) * | 2017-12-26 | 2019-07-02 | 舍弗勒技术股份两合公司 | Bearing with contact type sealing structure |
-
2012
- 2012-10-26 CN CN 201220556293 patent/CN202833629U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712643A (en) * | 2015-03-27 | 2015-06-17 | 安徽利达汽车轴承制造有限公司 | Ball bearing capable of preventing sealing ring from falling |
| CN109958719A (en) * | 2017-12-26 | 2019-07-02 | 舍弗勒技术股份两合公司 | Bearing with contact type sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI RENBEN AUTOMOBILE BEARING CO., LTD. Effective date: 20140423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140423 Address after: 325000 No. 16, Yong Jiang Road, Wenzhou economic and Technological Development Zone, Zhejiang, Wenzhou Patentee after: C&U Group Ltd. Patentee after: Shanghai Renben Automobile Bearing Co., Ltd. Address before: 325000 No. 16, Yong Jiang Road, Wenzhou economic and Technological Development Zone, Zhejiang, Wenzhou Patentee before: C&U Group Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20201026 |