CN204253626U - Full coverage formula shield bearing - Google Patents
Full coverage formula shield bearing Download PDFInfo
- Publication number
- CN204253626U CN204253626U CN201420625333.9U CN201420625333U CN204253626U CN 204253626 U CN204253626 U CN 204253626U CN 201420625333 U CN201420625333 U CN 201420625333U CN 204253626 U CN204253626 U CN 204253626U
- Authority
- CN
- China
- Prior art keywords
- dust cover
- ring
- bearing
- outer ring
- collar
- 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
Links
- 239000000428 dust Substances 0.000 claims abstract description 150
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000000314 lubricant Substances 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a kind of full coverage formula shield bearing, aim to provide a kind of good sealing effect, not easily leak the full coverage formula shield bearing of lubricant oil, its drip irrigation device is a kind of full coverage formula shield bearing, comprise outer ring, inner ring and dust cover, the end face of outer ring is located at by described dust cover, described inner ring, outer ring, lubricant oil is filled with in the enclosed space that dust cover is formed, described dust cover is provided with first collar of cross section in " ┏ " type near side, outer ring, the outer peripheral surface of described outer ring is provided with outer groove near dust cover side, described first collar and outer groove are nested, the end face of described dust cover and outer ring and inner ring is all conflicted, described dust cover center is provided with the axis hole passed for axle, described axis hole radius is greater than inner ring inner peripheral surface radius.The present invention is applicable to the fields such as high-speed bearing, dust atmosphere bearing, quiet bearing.
Description
Technical field
The utility model relates to a kind of technical field of bearings, and more particularly, it relates to a kind of good sealing effect, not easily leaks the full coverage formula shield bearing of lubricant oil.
Background technique
Holding is the important foundation component of all kinds of mechanized equipment, and its precision, performance, life and reliability play conclusive effect to the precision of main frame, performance, life and reliability.In engineering goods, bearing belongs to high-precision product, not only need the comprehensive support of the subjects such as mathematics, physics theory, and need materials science, heat treatment technology, precision machining and surveying, Numeric Control Technology and the effective subjects such as numerical method and powerful computer technology to serve for it, therefore bearing is again a product representing national science and technology strength.
In order to the working life of bearing can be extended, the many meetings of general bearing install dust cover at the two ends of bearing, bearing dustproof cover is a kind of annex playing dustproof effect installed and used on bearing support and bearing, its Main Function prevents dust, moisture, dirt and other impurity from invading Bearing inner, to reach the object ensured by the normal operation of the spatter property of stuffing box bearing and bearing, can bearing rust be prevented, virtually extend the working life of bearing.
At present, application number is that the Chinese patent of CN200920276325.7 discloses a kind of Novel bearing shield, it comprises outer bead, Qian Quan, foundation ring, through hole, evagination loop-drive major component formation, and the middle part of dust cover is provided with through hole, is connected with evagination loop-drive in the rear end of front circle.
Although this Novel bearing shield can reach prevent extraneous dust, moisture, dirt and other impurity invade the object of Bearing inner, but dust cover directly and bearing support and axle think fitted seal, very easily producing between the High Rotation Speed of axle and dust cover rubs in a large number causes contact surface abrasion serious, axle all has eccentric operating to a certain degree in the running, easily produce extruding with the dust cover be fixedly attached on bearing support, distortion etc., have impact on sealing effect greatly, and wearing and tearing axle and dust cover cause the integral mechanical structure life-span to reduce, rub simultaneously and also can produce amount of heat, affect working state, confined space in dust cover is larger, lubricant oil in bearing easily overflows, add regular maintenance cost, and the side of bearing is exposed in air, easily corroded by corrosive deposits such as steam, affect bearing performance.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of good sealing effect, not easily leaks the full coverage formula shield bearing of lubricant oil.
For achieving the above object, the utility model provides following technological scheme: a kind of full coverage formula shield bearing, comprise outer ring, inner ring and dust cover, the end face of outer ring is located at by described dust cover, described inner ring, outer ring, lubricant oil is filled with in the enclosed space that dust cover is formed, described dust cover is provided with first collar of cross section in " ┏ " type near side, outer ring, the outer peripheral surface of described outer ring is provided with outer groove near dust cover side, described first collar and outer groove are nested, the end face of described dust cover and outer ring and inner ring is all conflicted, described dust cover center is provided with the axis hole passed for axle, described axis hole radius is greater than inner ring inner peripheral surface radius.
By adopting technique scheme, by the coverage area of traditional dust cover from expanding to the end face of whole bearing between inner ring and outer ring, bearing is thoroughly isolated with surrounding environment under the encirclement of bearing support, dust cover and axle, first collar of " ┏ " type is nested in outer groove, the corrosive materials such as effective sealing air, steam avoid bearing surface to be etched, increase substantially the anti-corrosion capacity of bearing surface, add bearing life and run stability.The axis hole radius of dust cover is greater than axle radius simultaneously, improve the way of contact between dust cover and axle, avoid producing friction between axle and dust cover, improve dust cover working life, outer ring simultaneously, a little space is surrounded between inner ring and dust cover, conveniently store lubricant oil, bearing is when high speed rotating, lubricant oil is because the effect of centrifugal force is moved to outer ring, and closely to conflict between outer ring with dust cover and mutually nested, effectively prevent lubricant oil from overflowing, anti-dust performance is excellent simultaneously, decrease consumption and the deterioration of lubricant speed of lubricant oil, reduce bearing maintenance cost, and compare existing dust cover technology, this model utility is easier for installation, dust cover is not needed to snap fit onto narrow gap between outer ring and inner ring, but the end face being directly nested in outer ring can complete installation, improve production installation rate, simultaneously easy for installation, do not need additional means, there is good practicability, improve bearing completed products rate, reduce cost of production.
The utility model is set to further: described inner ring is provided with the seal groove of annular, described seal groove opening is towards dust cover side, be provided with for reducing to rub and increasing the contact ring of sealing effect in described seal groove, described dust cover and contact ring inconsistent and and be provided with oil clearance between inner ring end face.
By adopting technique scheme, reduce the friction between dust cover and inner ring, extend dust cover working life, by the conflict between contact ring and dust cover, replace dust cover to contact with the conflict between inner ring, effectively reduce friction area, and the oil clearance between inner ring and dust cover effectively can stop air circulation, contact ring prevent dust and other impurities by or oil clearance enter Bearing inner, bearing operation resistance reduces, the heat produced during running declines, and improves bearing operation stability and rating life, increases product performance.
The utility model is set to further: be provided with elastic component and filler ring in described seal groove, and described filler ring is located at contact ring away from dust cover side, and described elastic component is located at filler ring away from contact ring side.
By adopting technique scheme, make, between contact ring and dust cover, there is extruding force by elastic component, improve sealing effect, filler ring can reduce friction when contact ring rotates and between elastic component simultaneously, reduce bearing integral running loss, increase bearing life, the sealing configuration of filler ring formation simultaneously prevents dust or corrosive material from entering groove internal corrosion elastic component etc., avoid elastic component elastic failure and make bad connection between contact ring and dust cover, improving the sealing effect of dust cover.
The utility model is set to further: described dust cover is provided with second collar, and the structure of described second collar is identical with first collar, and the inner peripheral surface of described outer ring is provided with inner groovy near dust cover side, and described second collar and inner groovy are nested.
By adopting technique scheme, increase the nested quantity of dust cover and outer ring, increase join strength, dust cover is prevented to be touched ring and elastic component jack-up and to produce the gap being greater than predetermined value, thus the sealing avoiding dust cover is destroyed, and double-layer nested structure effectively can improve the sealing effect of lubricant oil in bearing, prevent lubricant oil from overflowing further, dust cover is by double-layer nested strengthening, the one end contacted with inner ring first collar and second collar lever power works with under can better fit on the end face of bearing inner race, the sealing effect of further raising inner ring side.
The utility model is set to further: described dust cover comprises the skeleton for strengthening dust cover overall structure rigidity, and described skeleton is located at dust cover inside.
By adopting technique scheme, improve dustproof cover structure rigidity, prevent because local pressure produces deformation and affect sealing effect, simultaneously skeleton arranges the axial impact power that dust cover can be subject to and conducts on inner ring and outer ring, prevent dust cover because of the industrial disintegrating slag that splashes or other object strikes and produce depression, breakage etc., the effectively security level of raising dust cover, prolongation bearing working life, expand bearing applicability, improve bearing performance.
The utility model is set to further: the inner peripheral surface of described inner ring is provided with chamfering near dust cover side, and described dust cover is provided with flange near chamfering one end, is provided with oil clearance between described flange and chamfering.
By adopting technique scheme, increase the tortuosity of the Contact of inner ring and dust cover, raising dust or corrosive material enter the difficulty in bearing, avoid the leakage rate of lubricant oil in routine use in oil clearance simultaneously, extend lubricant oil service time, reduce product maintenance cost.
The utility model is set to further: described dust cover surface is made up of oil-resistant rubber material, and described skeleton is made up of spring steel material, and described contact ring is made up of stainless steel.
By adopting technique scheme, oil resistant rubber has certain elasticity and anti-corrosion capacity, effectively can improve the sealing grade with conflict joint, outer ring, increase the join strength of nested encryptions simultaneously, avoid dust cover accidental, improve dust cover practicability, skeleton uses spring steel that dust cover can be made to have certain elastic energy storage effect, and the prestressing force of dust cover can be increased in advance when producing dust cover, bearing face can be fitted tightly after dust cover is installed, reduce matching gap, improve sealing intensity, and elastic energy storage effect can effectively prevent from clashing into generation deformation, improve dust cover serviceability, the stainless steel material mass-energy of adopting contact ring reduces the frictional force between contact ring and dust cover and filler ring, reduce bearing operation resistance, reduce frictional heat amount, improve bearing usability, integral material cost is low, improve product practicability.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the utility model full coverage formula shield bearing embodiment;
Fig. 2 is filler ring, contact ring and dustproof cover structure schematic diagram
Reference character: 1, outer ring; 2, inner ring; 3, dust cover; 11, outer groove; 12, inner groovy; 21, seal groove; 30, axis hole; 31, first collar; 32, second collar; 33, skeleton; 34, flange; 35, contact ring; 36, filler ring; 37, elastic component.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model full coverage formula shield bearing embodiment is described further.
As shown in Figure 1 to Figure 2, a kind of full coverage formula shield bearing, comprise inner ring 2 and outer ring 1, described inner ring 2 and outer ring 1 are set to bearing prior art, the inner peripheral surface of described bearing inner race 2 is provided with chamfering, the end face side of described outer ring 1 and inner ring 2 is provided with dust cover 3, described dust cover 3 is fitted whole bearing face and be provided with the flange 34 matched with chamfering at chamfering place, chamfering and flange 34 increase the tortuosity of the Contact of inner ring 2 and dust cover 3, raising dust or corrosive material enter the difficulty in bearing, avoid the leakage rate of lubricant oil in routine use in oil clearance simultaneously, extend lubricant oil service time, reduce product maintenance cost.
Described inner ring 2 is also provided with seal groove 21 near dust cover 3 side, described seal groove 21 opening is towards dust cover 3 side, be provided with for reducing to rub and increasing the contact ring 35 of sealing effect in described seal groove 21, described dust cover 3 and contact ring 35 inconsistent and and be provided with oil clearance between inner ring 2 end face, elastic component 37 and filler ring 36 is also provided with in described seal groove 21, described filler ring 36 is located at contact ring 35 away from dust cover 3 side, described elastic component 37 is located at filler ring 36 away from contact ring 35 side, described elastic component 37 can select cylindrical spring, wavy spring or compressing tablet, preferred compressing tablet, production installation is facilitated to reduce costs, make, between contact ring 35 and dust cover 3, there is extruding force by elastic component 37, improve sealing effect, filler ring 36 can reduce friction when contact ring 35 rotates and between elastic component 37, reduce bearing integral running loss, increase bearing life.
Simultaneously filler ring 36 forms sealing configuration and prevents dust or corrosive material from entering groove internal corrosion elastic component 37 etc., avoid elastic component 37 elastic failure and make bad connection between contact ring 35 and dust cover 3, improve the sealing effect of dust cover 3, contact ring 35 reduces the friction between dust cover 3 and inner ring 2, extend dust cover 3 working life, by the conflict between contact ring 35 and dust cover 3, replace dust cover 3 to contact with the conflict between inner ring 2, effectively reduce friction area, and the oil clearance between inner ring 2 and dust cover 3 effectively can stop air circulation, contact ring 35 prevent dust and other impurities by or oil clearance enter Bearing inner, bearing operation resistance reduces, the heat produced during running declines, improve bearing operation stability and rating life, increase product performance.
Described inner ring 2, outer ring 1, lubricant oil is filled with in the enclosed space that dust cover 3 is formed, described dust cover 3 is provided with first collar 31 of cross section in " ┏ " type near side, outer ring 1, the outer peripheral surface of described outer ring 1 is provided with outer groove 11 near dust cover 3 side, described first collar 31 is nested with outer groove 11, described dust cover 3 is all conflicted with the end face of outer ring 1 and inner ring 2, described dust cover 3 center is provided with the axis hole 30 passed for axle, described axis hole 30 radius is greater than inner ring 2 inner peripheral surface radius, described dust cover 3 is provided with second collar 32, the structure of described second collar 32 is identical with first collar 31, the inner peripheral surface of described outer ring 1 is provided with inner groovy 12 near dust cover 3 side, described second collar 32 is nested with inner groovy 12.
Second collar 32 increases the nested quantity of dust cover 3 and outer ring 1, increase join strength, dust cover 3 is prevented to be touched ring 35 and elastic component 37 jack-up and to produce the gap being greater than predetermined value, thus the sealing avoiding dust cover 3 is destroyed, and double-layer nested structure effectively can improve the sealing effect of lubricant oil in bearing, prevent lubricant oil from overflowing further, dust cover 3 is by double-layer nested strengthening, the one end contacted with inner ring 2 first collar 31 and second collar 32 lever power works with under can better fit on the end face of bearing inner race 2, the sealing effect of further raising inner ring 2 side.
The coverage area of traditional dust cover 3 expands to the end face of whole bearing between inner ring 2 and outer ring 1 by the utility model, bearing is thoroughly isolated with surrounding environment under the encirclement of bearing support, dust cover 3 and axle, first collar 31 of " ┏ " type is nested in outer groove 11, the corrosive materials such as effective sealing air, steam avoid bearing surface to be etched, increase substantially the anti-corrosion capacity of bearing surface, add bearing life and run stability.Axis hole 30 radius of dust cover 3 is greater than axle radius simultaneously, improve the way of contact between dust cover 3 and axle, avoid producing between axle and dust cover 3 rubbing, improve dust cover 3 working life, outer ring 1 simultaneously, a little space is surrounded between inner ring 2 and dust cover 3, conveniently store lubricant oil, bearing is when high speed rotating, lubricant oil is because the effect of centrifugal force is moved to outer ring 1, and closely to conflict between outer ring 1 with dust cover 3 and mutually nested, effectively prevent lubricant oil from overflowing, anti-dust performance is excellent simultaneously, decrease consumption and the deterioration of lubricant speed of lubricant oil, reduce bearing maintenance cost, and compare existing dust cover 3 technology, this model utility is easier for installation, dust cover 3 is not needed to snap fit onto narrow gap between outer ring 1 and inner ring 2, but the end face being directly nested in outer ring 1 can complete installation, improve production installation rate, simultaneously easy for installation, workman only needs the bearing having outer groove 11 to dock with dust cover 3, extrude and dust cover 3 is in place and both can, do not need additional means, there is good practicability, improve bearing completed products rate, reduce cost of production.
Described dust cover 3 comprises the skeleton 33 for strengthening dust cover 3 overall structure rigidity, it is inner that described skeleton 33 is located at dust cover 3, skeleton 33 improves dust cover 3 structural rigidity, prevent because local pressure produces deformation and affect sealing effect, simultaneously skeleton 33 arranges the axial impact power that dust cover 3 can be subject to and conducts on inner ring 2 and outer ring 1, prevent dust cover 3 because of the industrial disintegrating slag that splashes or other object strikes and produce depression, damaged etc., the security level of effective raising dust cover 3, extend bearing working life, expand bearing applicability, improve bearing performance, described dust cover 3 surface is made up of oil-resistant rubber material, described skeleton 33 is made up of spring steel material, described contact ring 35 is made up of stainless steel, oil resistant rubber has certain elasticity and anti-corrosion capacity, effectively can improve the sealing grade of joint of conflicting with outer ring 1, increase the join strength of nested encryptions simultaneously, avoid dust cover 3 accidental, improve dust cover 3 practicability, skeleton 33 uses spring steel that dust cover 3 can be made to have certain elastic energy storage effect, and the prestressing force of dust cover 3 can be increased in advance when producing dust cover 3, bearing face can be fitted tightly after dust cover 3 is installed, reduce matching gap, improve sealing intensity, and elastic energy storage effect can effectively prevent from clashing into generation deformation, improve dust cover 3 serviceability, the stainless steel material mass-energy that adopts contact ring 35 reduces the frictional force between contact ring 35 and dust cover 3 and filler ring 36, reduce bearing operation resistance, reduce frictional heat amount, improve bearing usability, integral material cost is low, improve product practicability.
The above makes preferred implementation of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (7)
1. a full coverage formula shield bearing, comprise outer ring, inner ring and dust cover, it is characterized in that: the end face of outer ring is located at by described dust cover, described inner ring, outer ring, lubricant oil is filled with in the enclosed space that dust cover is formed, described dust cover is provided with first collar of cross section in " ┏ " type near side, outer ring, the outer peripheral surface of described outer ring is provided with outer groove near dust cover side, described first collar and outer groove are nested, the end face of described dust cover and outer ring and inner ring is all conflicted, described dust cover center is provided with the axis hole passed for axle, described axis hole radius is greater than inner ring inner peripheral surface radius.
2. full coverage formula shield bearing according to claim 1, it is characterized in that: described inner ring is provided with the seal groove of annular, described seal groove opening is towards dust cover side, be provided with for reducing to rub and increasing the contact ring of sealing effect in described seal groove, described dust cover and contact ring inconsistent and and be provided with oil clearance between inner ring end face.
3. full coverage formula shield bearing according to claim 2, is characterized in that: be provided with elastic component and filler ring in described seal groove, and described filler ring is located at contact ring away from dust cover side, and described elastic component is located at filler ring away from contact ring side.
4. full coverage formula shield bearing according to claim 3, it is characterized in that: described dust cover is provided with second collar, the structure of described second collar is identical with first collar, and the inner peripheral surface of described outer ring is provided with inner groovy near dust cover side, and described second collar and inner groovy are nested.
5., according to the full coverage formula shield bearing of claim 4 according to any one of it, it is characterized in that: described dust cover comprises the skeleton for strengthening dust cover overall structure rigidity, and described skeleton is located at dust cover inside.
6. full coverage formula shield bearing according to claim 5, is characterized in that: the inner peripheral surface of described inner ring is provided with chamfering near dust cover side, and described dust cover is provided with flange near chamfering one end, is provided with oil clearance between described flange and chamfering.
7. full coverage formula shield bearing according to claim 6, is characterized in that: described dust cover surface is made up of oil-resistant rubber material, and described skeleton is made up of spring steel material, and described contact ring is made up of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625333.9U CN204253626U (en) | 2014-10-27 | 2014-10-27 | Full coverage formula shield bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625333.9U CN204253626U (en) | 2014-10-27 | 2014-10-27 | Full coverage formula shield bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253626U true CN204253626U (en) | 2015-04-08 |
Family
ID=52957939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625333.9U Expired - Fee Related CN204253626U (en) | 2014-10-27 | 2014-10-27 | Full coverage formula shield bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253626U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224391A (en) * | 2016-08-24 | 2016-12-14 | 常州市群星印刷有限公司 | Protect board-like printing machine's bearing |
| CN110345164A (en) * | 2019-08-19 | 2019-10-18 | 新天绿色能源股份有限公司 | One kind being used for bearing of wind power generator sealing device |
| CN110864046A (en) * | 2019-12-27 | 2020-03-06 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Claw type bearing sealing structure |
| CN114233757A (en) * | 2021-11-24 | 2022-03-25 | 常熟长城轴承有限公司 | A new type of dust cover |
-
2014
- 2014-10-27 CN CN201420625333.9U patent/CN204253626U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224391A (en) * | 2016-08-24 | 2016-12-14 | 常州市群星印刷有限公司 | Protect board-like printing machine's bearing |
| CN110345164A (en) * | 2019-08-19 | 2019-10-18 | 新天绿色能源股份有限公司 | One kind being used for bearing of wind power generator sealing device |
| CN110864046A (en) * | 2019-12-27 | 2020-03-06 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Claw type bearing sealing structure |
| CN114233757A (en) * | 2021-11-24 | 2022-03-25 | 常熟长城轴承有限公司 | A new type of dust cover |
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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: 20150408 Termination date: 20151027 |
|
| EXPY | Termination of patent right or utility model |