CN204025367U - With the agricultural machinery bearing support of special seal - Google Patents
With the agricultural machinery bearing support of special seal Download PDFInfo
- Publication number
- CN204025367U CN204025367U CN201420336168.5U CN201420336168U CN204025367U CN 204025367 U CN204025367 U CN 204025367U CN 201420336168 U CN201420336168 U CN 201420336168U CN 204025367 U CN204025367 U CN 204025367U
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- CN
- China
- Prior art keywords
- ring
- bearing
- lip
- seal
- rolling element
- 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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- Sealing Of Bearings (AREA)
Abstract
The utility model proposes a kind of agricultural machinery bearing support with special seal, comprise bearing case, bearing outer ring and bearing inner race, between described bearing outer ring and bearing inner race, rolling element is installed, described rolling element both sides are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and bearing outer ring is fastened, the side of described turn-up portion and bearing outer ring is fastened, the termination of described ring bottom surface is near bearing inner race, described back-up ring outside is provided with seal ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton are bonding, described rubber body is provided with radial seal lip, described radial seal lip bottom offsets with bearing inner race, the utility model adopts back-up ring to coordinate with mulit-lip seal ring, can better prevent that dust from entering bearing inside, reduce the wearing and tearing of bearing, improve the working life of bearing.
Description
Technical field
The utility model relates to a kind of bearing, particularly a kind of agricultural machinery bearing support with special seal.
Background technique
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load friction factor.Also can say, in the time that other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor and retainer shaft central position in power transmission process.Bearing is a kind of very important component in contemporary machinery.Its major function is supported mechanical solid of rotation, the mechanical load friction factor in order to reduction equipment in transmission process.
The Environmental Conditions of agricultural machinery bearing is more severe, is generally used for the agricultural machinery such as mining machinery, reaper, threshing machine.At present, agricultural machinery bearing on market is generally double-layer seal, also to install a back-up ring additional in the outside of conventional seals circle, but existing back-up ring is all the bore ends that is positioned at bearing inner race, between the endoporus of back-up ring and bearing inner race, form clearance seal, dust easily enters from the gap between back-up ring and bearing inner race endoporus, affects bearing working life.
Model utility content
For the deficiencies in the prior art part, the utility model provides a kind of back-up ring to coordinate with mulit-lip seal ring, forms more airtight space, can better prevent that dust from entering bearing inside, reduce the wear damage of bearing, improve the bearing agricultural machinery bearing support with special seal in working life.
For the technological scheme that reaches above-mentioned object the utility model and provide is: a kind of agricultural machinery bearing support with special seal, comprise bearing case, bearing outer ring and bearing inner race, between described bearing outer ring and bearing inner race, rolling element is installed, described rolling element both sides are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and bearing outer ring is fastened, the side of described turn-up portion and bearing outer ring is fastened, the termination of described ring bottom surface is near bearing inner race, described back-up ring outside is provided with seal ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton are bonding, described rubber body is provided with radial seal lip, described radial seal lip bottom offsets with bearing inner race.
Further, described rubber body end face extends to form extension part laterally, described extension part and bearing case offset, the extension part of described bearing outer ring and bearing case and rubber body end face forms clearance seal body, the extension part of described rubber body can well stop that dust enters in clearance seal body, prevents that dust from covering at bearing outer ring.
Further, described radial seal lip comprises epipharynx, middle lip and outer lip, side and the back-up ring at described epipharynx top offset, described epipharynx bottom offsets with bearing inner race, described epipharynx and back-up ring form an interlayer, back-up ring is located at seal ring inner side, can better reinforce seal ring, make seal ring more the prevention dust of firm stable enter bearing inside.
Further, described middle lip is between epipharynx and outer lip, described middle lip and epipharynx are provided with the first hollow layer, between described middle lip and outer lip, be provided with the second hollow layer, when machinery produces dust in the process of work, dust enters bearing, can cover before this on the plane of inclination of outer lip, dust is cumulative, the plane of inclination of outer lip will be compressed into the first hollow layer, middle lip and epipharynx also can be along with pressing down, and the surface of contact of whole radial seal lip and bearing outer ring increases, and effectively stops dust to enter bearing inside.
Further, the internal diameter of described radial seal lip is less than the external diameter of described bearing outer ring, and after described seal ring is installed, radial seal lip ecto-entad tilts.
Further, described rolling element is circular, described rolling element cover has retainer, described retainer guiding rolling element remains in bearing, described retainer is by rolling element and rolling element isolation, the material of retainer has some strength, and thermal conductivity is good, friction factor is little, wear resistance is good, impact toughness is strong, density is less and linear expansion coefficient and rolling element are close.
Further, described bearing case is provided with oilhole, described bearing outer ring is provided with oil duct, and described oilhole connects oil duct, and described oil duct is looped around bearing outer ring surface, described oil duct is the capable groove of U, the bottom land of described oil duct is provided with oil guiding hole, and described oil guiding hole is through-shaft bearing outer-ring radially, and lubricant oil enters oil duct from oilhole, then enter seal from the oil guiding hole of oil duct, bearing support is lubricated.
Compared with prior art, the utlity model has following beneficial effect: described back-up ring is arranged on seal ring inner side, and closely fastening with the skeleton of seal ring, side and the bottom surface of back-up ring and described bearing outer ring are fastened, can better fit sealing circle, extension part and the bearing case of described seal ring offset, and make to form seal space between extension part and bearing case and bearing outer ring, can well dust be stopped, reduce dust and covering on bearing outer ring, described seal ring is provided with radial seal lip, described radial seal lip ecto-entad tilts, described radial seal lip comprises epipharynx, middle lip and outer lip, and described radial seal lip and bearing inner race offset, between epipharynx and middle lip, be provided with the first hollow layer, middle lip and outer lip are provided with the second hollow layer, when dust produces, can first cover on outer lip dust cumulative, the plane of inclination of outer lip will be compressed into the second hollow layer, middle lip and epipharynx also can press down along with sloping inwardly, the surface of contact of whole radial seal lip and bearing outer ring increases, effectively stop dust to enter bearing inside.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model back-up ring and ring structure enlarged view;
Fig. 3 is the utility model ring structure schematic diagram.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
As shown in Figure 1, a kind of agricultural machinery bearing support with special seal, comprise bearing case 1, bearing outer ring 5 and bearing inner race 8, described bearing case 1 is provided with oilhole 4, described bearing outer ring 5 is provided with oil duct 3, described oilhole 4 connects oil duct 3, described oil duct 3 is looped around bearing outer ring 5 surfaces, described oil duct 3 is the capable groove of U, the bottom land of described oil duct 3 is provided with oil guiding hole 2, radially through-shaft bearing outer-ring 5 of described oil guiding hole 2, and lubricant oil enters oil duct 3 from oilhole 4, then enter seal from the oil guiding hole 2 of oil duct 3, bearing support is lubricated.
Between described bearing outer ring 5 and bearing inner race 8, rolling element 6 is installed, described rolling element 6 is circular, described rolling element 6 covers have retainer 7, described retainer 7 guides rolling element 6 to remain in bearing, described retainer 7 is isolated rolling element 6 and rolling element 6, the material of retainer 7 has some strength, and thermal conductivity is good, friction factor is little, wear resistance is good, impact toughness is strong, density is less and linear expansion coefficient and rolling element 6 are close.
Described rolling element 6 is provided with back-up ring 10, described back-up ring 10 is for having the basin shape of flanging, described back-up ring 10 comprises ring side face 101, ring bottom surface 102 and turn-up portion 103, described ring side face 101 is fastened with the inner side end of bearing outer ring 5, the termination of described ring side face 101 is upwards extended with the side of bearing outer ring 5 and is fastened, and the termination of described ring bottom surface 102 is near bearing inner race 8.
As shown in Figures 2 and 3, described back-up ring 10 outsides are provided with seal ring 9, described seal ring 9 comprises skeleton 92 and rubber body 91, described rubber body 91 end faces extend to form extension part 94 laterally, described extension part 94 offsets with bearing case 1, the extension part 94 of described bearing outer ring 5 and bearing case 1 and rubber body 91 end faces forms seal space, the extension part 94 of described rubber body 91 can well stop that dust enters seal space, prevent that dust from covering at bearing outer ring 5, back-up ring 10 is located at seal ring 9 inner sides, can better reinforce seal ring 9, make seal ring 9 more the prevention dust of firm stable enter bearing inside.
Described skeleton 92 and back-up ring 10 are fastened, described rubber body 91 end faces are connected with skeleton 92, described rubber body 91 bottom surfaces are provided with radial seal lip 93, described radial seal lip 93 bottoms and bearing inner race 8 offset, the internal diameter of described radial seal lip 93 is less than the external diameter of described bearing outer ring 5, after described seal ring 9 is installed, radial seal lip 93 ecto-entads tilt, described radial seal lip 93 comprises epipharynx 931, middle lip 933 and outer lip 935, the side at described epipharynx 931 tops is connected with back-up ring 10, described epipharynx 931 bottoms and bearing inner race 8 offset, described epipharynx 931 forms an interlayer with back-up ring 10, the seal ring 9 of many bead structures, can effectively stop that dust enters bearing inside, reducing bearing wear damages.
As shown in Figure 3, described middle lip 933 is between epipharynx 931 and outer lip 935, described middle lip 933 is provided with the first hollow layer 932 with epipharynx 931, between described middle lip 933 and outer lip 935, be provided with the second hollow layer 934, when machinery produces dust in the process of work, dust enters bearing, can cover before this on the plane of inclination of outer lip 935, dust is cumulative, the plane of inclination of outer lip 935 will be entered to the second hollow 934 laminations, middle lip 933 and epipharynx 931 also can press down along with sloping inwardly, whole radial seal lip 93 increases with the surface of contact of bearing outer ring 8, effectively stop dust to enter bearing inside.
As shown in Figure 1, the extension part of described seal ring 9 and bearing case 1 offset, and described radial seal lip 93 offsets with bearing inner race 8, by a seal of the inner formation of bearing, can better stop dust, reduce the wear damage of bearing, improve the working life of bearing.
Finally it should be noted that: above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. the agricultural machinery bearing support with special seal, comprise bearing case, bearing outer ring and bearing inner race, between described bearing outer ring and bearing inner race, rolling element is installed, it is characterized in that: described rolling element both sides are provided with back-up ring, described back-up ring is the basin shape with flanging, described back-up ring comprises ring bottom surface, ring side face and turn-up portion, the inner side end of described ring side face and bearing outer ring is fastened, the side of described turn-up portion and bearing outer ring is fastened, the termination of described ring bottom surface is near bearing inner race, described back-up ring outside is provided with seal ring, described seal ring comprises skeleton and rubber body, described skeleton and back-up ring are fastened, described rubber body end face and skeleton are bonding, described rubber body is provided with radial seal lip, described radial seal lip bottom offsets with bearing inner race.
2. the agricultural machinery bearing support with special seal according to claim 1, is characterized in that: described rubber body end face extends to form extension part laterally, and described extension part and bearing case offset.
3. the agricultural machinery bearing support with special seal according to claim 1, it is characterized in that: described radial seal lip comprises epipharynx, middle lip and outer lip, side and the back-up ring at described epipharynx top offset, and described epipharynx bottom offsets with bearing inner race, and described epipharynx and back-up ring form an interlayer.
4. the agricultural machinery bearing support with special seal according to claim 3, is characterized in that: described middle lip is between epipharynx and outer lip, and described middle lip and epipharynx are provided with the first hollow layer, between described middle lip and outer lip, is provided with the second hollow layer.
5. the agricultural machinery bearing support with special seal according to claim 1, is characterized in that: the internal diameter of described radial seal lip is less than the external diameter of described bearing outer ring, and after described seal ring is installed, radial seal lip ecto-entad tilts.
6. the agricultural machinery bearing support with special seal according to claim 1, is characterized in that: described rolling element is for circular, and described rolling element cover has retainer, and described retainer guiding rolling element remains in bearing, and described retainer is by rolling element and rolling element isolation.
7. the agricultural machinery bearing support with special seal according to claim 1, it is characterized in that: described bearing case is provided with oilhole, described bearing outer ring is provided with oil duct, described oilhole connects oil duct, described oil duct is looped around bearing outer ring surface, described oil duct is the capable groove of U, and the bottom land of described oil duct is provided with oil guiding hole, and described oil guiding hole is through-shaft bearing outer-ring radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336168.5U CN204025367U (en) | 2014-06-23 | 2014-06-23 | With the agricultural machinery bearing support of special seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336168.5U CN204025367U (en) | 2014-06-23 | 2014-06-23 | With the agricultural machinery bearing support of special seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025367U true CN204025367U (en) | 2014-12-17 |
Family
ID=52065237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336168.5U Expired - Fee Related CN204025367U (en) | 2014-06-23 | 2014-06-23 | With the agricultural machinery bearing support of special seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025367U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143580A (en) * | 2017-07-04 | 2017-09-08 | 安徽利达汽车轴承制造有限公司 | A kind of convenient ball bearing of usheing to seat installed |
| CN109888962A (en) * | 2017-12-06 | 2019-06-14 | 舍弗勒技术股份两合公司 | hub driving device |
| CN110848270A (en) * | 2019-12-03 | 2020-02-28 | 常州克劳诺斯特种轴承制造有限公司 | Sealed roller bearing and backing roll supporting mechanism of rolling mill thereof |
| CN112994363A (en) * | 2021-03-31 | 2021-06-18 | 华为技术有限公司 | Motor, power assembly and electric vehicle |
| CN118249585A (en) * | 2021-03-31 | 2024-06-25 | 华为数字能源技术有限公司 | Motor, power assembly and motor driving equipment |
-
2014
- 2014-06-23 CN CN201420336168.5U patent/CN204025367U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143580A (en) * | 2017-07-04 | 2017-09-08 | 安徽利达汽车轴承制造有限公司 | A kind of convenient ball bearing of usheing to seat installed |
| CN107143580B (en) * | 2017-07-04 | 2018-12-28 | 安徽利达汽车轴承制造有限公司 | A kind of ball bearing of usheing to seat facilitating installation |
| CN109888962A (en) * | 2017-12-06 | 2019-06-14 | 舍弗勒技术股份两合公司 | hub driving device |
| CN110848270A (en) * | 2019-12-03 | 2020-02-28 | 常州克劳诺斯特种轴承制造有限公司 | Sealed roller bearing and backing roll supporting mechanism of rolling mill thereof |
| CN112994363A (en) * | 2021-03-31 | 2021-06-18 | 华为技术有限公司 | Motor, power assembly and electric vehicle |
| CN118249585A (en) * | 2021-03-31 | 2024-06-25 | 华为数字能源技术有限公司 | Motor, power assembly and motor driving equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180623 |