CN204664188U - A kind of flange plate end-face structure sealing hub bearing - Google Patents
A kind of flange plate end-face structure sealing hub bearing Download PDFInfo
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- CN204664188U CN204664188U CN201520331041.9U CN201520331041U CN204664188U CN 204664188 U CN204664188 U CN 204664188U CN 201520331041 U CN201520331041 U CN 201520331041U CN 204664188 U CN204664188 U CN 204664188U
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- 238000007789 sealing Methods 0.000 title claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 16
- 210000002421 cell wall Anatomy 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 238000005461 lubrication Methods 0.000 abstract description 12
- 239000004519 grease Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 10
- 238000007514 turning Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a kind of flange plate end-face structure sealing hub bearing, by the inner side end end face toward the outer side of inner flange, on inner flange, interval loads a circle wheel bolt, in the end face outside of inner flange, be the center of circle with the center of end face outside, offer the groove of a circle ring, wheel bolt is positioned at groove, leaves radial clearance between the both sides cell wall of wheel bolt outer rim and groove.This structure achieves the fine finishing after hub bearing assembly, improves the precision of end face run-out, improves the travelling comfort of vehicle drive and Security, its economic benefit and social benefit fairly obvious.Lock bolt of the present utility model and the locking of coupling shaft bidirectional helical, locking fastening effect is good.Be provided with dust ring in bearing simultaneously, the function of dust ring prevents the dust in air from entering Bearing inner, prevent the splashing of bearing grease when running up simultaneously, the lubrication system of machinery is simplified, improve dust-proof effect and the leakproof fat effect of product.
Description
Technical field
The utility model relates to a kind of flange plate end-face structure, particularly relates to a kind of flange plate end-face structure sealing hub bearing.
Background technique
Hub bearing is applied to Automobile shaft place to be used for load-bearing and provide the component accurately guided for the rotation of wheel hub, and not only bearing thrust load but also bear radial load, is the important component part of carload and rotation.The hub bearing of automobile is maximum is in the past use single-row tapered roller or ball bearing in pairs.Along with the development of technology, automobile uses hub-bearing unit widely.Using scope and the use amount of hub-bearing unit are growing, have developed into the third generation at present, and hub-bearing unit have employed bearing unit and anti-brake holding system ABS matches.For the automobile adopting disk braking system, hub comprises outward flange dish and inner flange, and whole bearing is installed together by outward flange, and inner flange side connects brake disc and wheel rim.
In brake assembly, brake disc end face run-out is an important indicator of automobile disk-type braking system, affects travelling comfort and the Security of vehicle drive.Except the factor of brake disc itself, hub-bearing unit inner flange end face run-out is that another affects the principal element of brake disc end face run-out, in order to meet automotive disc brake braking ability, reduce the bad phenomenon such as the brake judder caused due to end face run-out, reducing inner flange end face run-out is wherein important effective measures as far as possible.This precision of the current supporting producer of domestic hub-bearing unit generally controls within 0.05mm.
Hub-bearing unit part manufacture and general assembly process in, have the precision of many factors to assembly inner flange end face run-out, as the distortion of raceway induction hardening flange dish, the distortion of machining bolt hole, mill processing end surface supporting end face run-out, wheel bolt press-fit flange plate distortion etc., in order to eliminate the impact of above many factors further, method dish end face run-out precision in improving, can consider that internal flanged surface carries out finish turning processing after hub-bearing unit general assembly, before eliminating, the impact of beating on flange plate is assembled in operation manufacture.
Due to need to improve be flange plate with this dynamic precision of end face run-out precision during rotation of wheel, what adopt in finish turning processing is that holder inner flange rotates, the turnery processing mode of lathe tool radially feeding.
Consider that in inner flange card, interval is equipped with a circle wheel bolt, therefore inner flange is in rotary course, wheel bolt also can rotate with flange plate, lathe tool cannot enter the circumferential area processing between wheel bolt, otherwise wheel bolt and lathe tool can produce interference, there are technological difficulties in the program, therefore need auxiliary in a large amount of handwork, quality cost is too high on the implementation.
The engineering goods be threaded are that after ensureing docking, product still can ensure reliable mechanical connection under severe vibration, shock environment, need double thread locking.Present field of connectors, the locking thread method that butt end is commonly used is by assisting agency, and increase the frictional force that coupling nut rotates, realize locking, but this is locking and unreliable, people urgently wish to obtain the excellent locking thread retention mechanism of a kind of technique effect.
The lubrication of bearing is all generally with oil mist lubrication, requires that device fabrication must be designed with oil lubrication system like this.At present along with technological improvement, there is a lot of working environment to be difficult to design oil lubrication system, so just require that bearing adopts grease lubrication.Lubricant grease adds in bearing channel by grease lubrication exactly.The effect of grease is the lubrication to bearing race, and the function of bearing seal structure is mainly to the protection of grease.Current deep groove ball bearing has open type and sealing configuration, and angular contact bearing does not also have the design of sealing configuration.
Model utility content
The purpose of this utility model is for above-mentioned shortcomings and deficiencies of the prior art and provides a kind of flange plate end-face structure sealing hub bearing, namely improve dust-proof effect and the leakproof fat effect of bearing, fundamentally solving again circumferential area under hub-bearing unit assembly state between inner flange end face wheel bolt cannot accurately machined problem, thus achieve the finish turning processing of internal end face of flange, thus greatly improve the end face run-out precision of inner flange.
The purpose of this utility model is realized by following technological scheme.
Seal a flange plate end-face structure for hub bearing, it is characterized in that: comprise flange plate component, coupling shaft and locking member, flange plate component connects locking member by coupling shaft;
Flange plate component is made up of inner flange and outward flange dish, by the inner side end end face toward the outer side of inner flange, on inner flange, interval loads a circle wheel bolt, the afterbody of wheel bolt stretches out outside the end face outside of inner flange, and the axis of wheel bolt is evenly distributed on a certain circumferential surface centered by inner flange axis; In the end face outside of inner flange, be the center of circle with the center of end face outside, offer the groove of a circle ring, wheel bolt is positioned at groove, leaves radial clearance between the both sides cell wall of wheel bolt outer rim and groove;
Locking member comprises bearing and lock bolt, and internal thread through hole is offered vertically in the center of bearing, and lock bolt and coupling shaft are relative from internal thread through hole two ends respectively to be loaded in bearing; Bolt internal thread through hole is offered at the center of lock bolt vertically, and its screw rod is nested in internal thread through hole, and head is positioned at outside bearing, is close to one end-face;
Three layers of multidiameter shaft that coupling shaft one end diametrically increases from outside to inside in turn, the outer edge surface of first layer Step Shaft and second layer Step Shaft is flank of thread, first layer Step Shaft is tightened in the bolt internal thread through hole of lock bolt, second layer Step Shaft is tightened in internal thread through hole, and third layer Step Shaft is positioned at outside bearing, is close to its other end end face;
Bearing comprises outer ring, inner ring, rolling element, retainer; Rolling element is between inner ring and the raceway of outer ring; Retainer in raceway along the circumferential direction by rolling element even partition; Retainer adopts italic formula, with tang bottom the pocket hole of retainer; Raceway between inner ring and outer ring is two roller path structures; In bearing, be positioned at raceway both sides, be laterally located between outer ring, inner ring and be also provided with two dust rings; The internal surface of outer ring is provided with dustproof groove, and dust ring is nested in dustproof groove, and and is spaced a distance between the outer surface of inner ring.
Further, described inner ring, outer ring are made by modified structural steel.
Compared with prior art, the advantage of the flange plate end-face structure of sealing hub bearing described in the utility model:
1, after the utility model solves hub-bearing unit assembly, lathe tool is avoided wheel bolt circumference and is carried out accurately machined problem to inner flange end face, fundamentally improve the precision of its end face run-out, make hub end face run-out guaranteeing precision at about 0.02mm, improve travelling comfort and the Security of vehicle drive.
2, lock bolt of the present utility model and the locking of coupling shaft bidirectional helical, locking fastening effect is good.
3, the raceway between the outer ring of bearing of the present utility model and inner ring is two roller path structures, the load-carrying properties of bearing are significantly promoted when not strengthening bearing boundary dimension, the shoulder block height of the both sides of outer ring and inner ring differs, the shoulder block of side wherein processing lower be to load more steel ball, bearing load carrying capacity strengthen.
4, the utility model pre-note oil at a high speed between two dust rings, for the lubrication of bearing, the function of dust ring prevents the dust in air from entering Bearing inner, prevents the splashing of bearing grease when running up simultaneously, produces the de-oiling of bearing and premature failure.The lubrication system of machinery is simplified, improves dust-proof effect and the leakproof fat effect of bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flange plate end-face structure of the utility model sealing hub bearing.
In figure: 1 inner ring, 101 internal thread through hole, 2 lock bolts, 201 bolt internal thread through hole, 3 outer rings, 4 retainers, 5 rolling elements, 6 dust rings, 7 coupling shafts, 701 third layer Step Shafts, 702 second layer Step Shafts, 703 first layer Step Shafts, 8 wheel bolts, 9 inner flanges, 901 end face outside, 902 inner side ends, 903 grooves, 10 outward flange dishes.
Embodiment
Structure of the present utility model is further described below in conjunction with accompanying drawing 1.
A kind of flange plate end-face structure sealing hub bearing as shown in Figure 1, comprise flange plate component, coupling shaft 7 and locking member, flange plate component connects locking member by coupling shaft 7.
Flange plate component is made up of inner flange 9 and outward flange dish 10, by inner side end 902 end face 901 toward the outer side of inner flange 9, on inner flange 9, interval loads a circle wheel bolt 8, the afterbody of wheel bolt 8 stretches out outside the end face outside 901 of inner flange 9, and the axis of wheel bolt 8 is evenly distributed on a certain circumferential surface centered by inner flange 9 axis; In the end face outside 901 of inner flange 9, be the center of circle with the center of end face outside 901, offer the groove 903 of a circle ring, wheel bolt 8 is positioned at groove 903, leaves radial clearance between the both sides cell wall of wheel bolt 8 outer rim and groove 903.
The effect of groove 903 is, finish turning adds man-hour, after wheel bolt 8 rotates with inner flange 9 circumference, radially the lathe tool of feeding first carries out finish turning processing to the boss top in inner flange 9 end face outside 901 outside groove, after, lathe tool is avoided groove 903, is entered inside groove 903, radially feeding again, finish turning processing is carried out to the boss top in inner flange 9 end face outside 901 inside groove, due in finish turning process, lathe tool avoids the circumferential position at groove 903 place, therefore can not interfere with wheel bolt 8.Fundamentally improve the precision of its end face run-out, make hub end face run-out guaranteeing precision at about 0.02mm, improve travelling comfort and the Security of vehicle drive.
Locking member comprises bearing and lock bolt 2, and internal thread through hole 101 is offered at the center of bearing vertically, and lock bolt 2 and coupling shaft 7 load in bearing from internal thread through hole 101 two ends are relative respectively; Bolt internal thread through hole 201 is offered at the center of lock bolt 2 vertically, and its screw rod is nested in internal thread through hole 101, and head is positioned at outside bearing, is close to one end-face;
Three layers of multidiameter shaft that coupling shaft 7 one end diametrically increases from outside to inside in turn, the outer edge surface of first layer Step Shaft 703 and second layer Step Shaft 702 is flank of thread, first layer Step Shaft 703 is tightened in the bolt internal thread through hole 201 of lock bolt 2, second layer Step Shaft 702 is tightened in internal thread through hole 101, and third layer Step Shaft 701 is positioned at outside bearing, is close to its other end end face.
During assembling, first coupling shaft 7 is screwed in internal thread through hole 101 from bearing one end, then lock bolt 2 is stretched into internal thread through hole 101 from bearing one end, and screwed by bolt internal thread through hole 201 and first layer Step Shaft 703.Lock bolt of the present utility model and the locking of coupling shaft bidirectional helical, locking fastening effect is good.
Bearing comprises outer ring 3, inner ring 1, rolling element 5, retainer 4; Rolling element 5 is between inner ring 1 and the raceway of outer ring 3; Retainer 4 in raceway along the circumferential direction by rolling element 5 even partition; Retainer 4 adopts italic formula, with tang bottom the pocket hole of retainer 4; Raceway between inner ring 1 and outer ring 3 is two roller path structures.
Raceway between the outer ring of bearing and inner ring is two roller path structures, the load-carrying properties of bearing are significantly promoted when not strengthening bearing boundary dimension, the shoulder block height of the both sides of outer ring and inner ring differs, the shoulder block of side wherein processing lower be to load more steel ball, bearing load carrying capacity strengthen.
In bearing, be positioned at raceway both sides, be laterally located between outer ring 3, inner ring 1 and be also provided with two dust rings 6; The internal surface of outer ring 3 is provided with dustproof groove, and dust ring 6 is nested in dustproof groove, and and is spaced a distance between the outer surface of inner ring 1.
Pre-note oil at a high speed between two dust rings 6, for the lubrication of bearing, the function of dust ring 6 prevents the dust in air from entering Bearing inner, prevents the splashing of bearing grease when running up simultaneously, produces the de-oiling of bearing and premature failure.The lubrication system of machinery is simplified, improves dust-proof effect and the leakproof fat effect of bearing.
More than show and describe basic principle of the present utility model and major character and advantage thereof.The technology personage of the industry should understand; the utility model is not by the restriction of above-mentioned implementing regulations; describe in above-mentioned implementing regulations and specification just for illustration of principle of the present utility model; under the prerequisite not departing from the utility model principle and scope; the utility model also can have various changes and modifications, and these changes and improvements all belong within the scope of claimed the utility model.
The claimed scope of the utility model defines with appending claims and other equivalent.
Claims (2)
1. seal a flange plate end-face structure for hub bearing, it is characterized in that: comprise flange plate component, coupling shaft (7) and locking member, flange plate component connects locking member by coupling shaft (7);
Flange plate component is made up of inner flange (9) and outward flange dish (10), by inner side end (902) end face (901) toward the outer side of inner flange (9), circle wheel bolt (8) is loaded at the upper interval of inner flange (9), the afterbody of wheel bolt (8) stretches out the end face outside (901) of inner flange (9) outward, and the axis of wheel bolt (8) is evenly distributed on a certain circumferential surface centered by inner flange (9) axis; In the end face outside (901) of inner flange (9), be the center of circle with the center of end face outside (901), offer the groove (903) of a circle ring, wheel bolt (8) is positioned at groove (903), leaves radial clearance between the both sides cell wall of wheel bolt (8) outer rim and groove (903);
Locking member comprises bearing and lock bolt (2), internal thread through hole (101) is offered at the center of bearing vertically, and lock bolt (2) and coupling shaft (7) load in bearing from internal thread through hole (101) two ends are relative respectively; Bolt internal thread through hole (201) is offered at the center of lock bolt (2) vertically, and its screw rod is nested in internal thread through hole (101), and head is positioned at outside bearing, is close to one end-face;
Three layers of multidiameter shaft that coupling shaft (7) one end diametrically increases from outside to inside in turn, the outer edge surface of first layer Step Shaft (703) and second layer Step Shaft (702) is flank of thread, first layer Step Shaft (703) is tightened in the bolt internal thread through hole (201) of lock bolt (2), second layer Step Shaft (702) is tightened in internal thread through hole (101), and third layer Step Shaft (701) is positioned at outside bearing, is close to its other end end face;
Bearing comprises outer ring (3), inner ring (1), rolling element (5), retainer (4); Rolling element (5) is positioned between the raceway of inner ring (1) and outer ring (3); Retainer (4) in raceway along the circumferential direction by rolling element (5) even partition; Retainer (4) adopts italic formula, with tang bottom the pocket hole of retainer (4); Raceway between inner ring (1) and outer ring (3) is two roller path structures; In bearing, be positioned at raceway both sides, be laterally located between outer ring (3), inner ring (1) and be also provided with two dust rings (6); The internal surface of outer ring (3) is provided with dustproof groove, and dust ring (6) is nested in dustproof groove, and and is spaced a distance between the outer surface of inner ring (1).
2. a kind of flange plate end-face structure sealing hub bearing according to claim 1, is characterized in that: described inner ring (1), outer ring (3) are made by modified structural steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331041.9U CN204664188U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing hub bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331041.9U CN204664188U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing hub bearing |
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| CN204664188U true CN204664188U (en) | 2015-09-23 |
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| CN201520331041.9U Expired - Fee Related CN204664188U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing hub bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697609A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Flanged shaft structure on main shaft of hydraulic retarder |
| CN106958606A (en) * | 2017-05-16 | 2017-07-18 | 响水县贝斯特传动件有限公司 | One kind extruding tightening covering device |
-
2015
- 2015-05-21 CN CN201520331041.9U patent/CN204664188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697609A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Flanged shaft structure on main shaft of hydraulic retarder |
| CN106958606A (en) * | 2017-05-16 | 2017-07-18 | 响水县贝斯特传动件有限公司 | One kind extruding tightening covering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 314100, No. 8, Chi Chi Road, dry kiln town, Jiashan County, Jiaxing, Zhejiang Patentee after: Zhejiang Cowin Fastech CO., Ltd. Address before: Jiashan County of Jiaxing City, Zhejiang province 314100 dry kiln Town Road No. 88 Room 308 leaves Patentee before: ZHEJIANG COWIN FASTECH CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20180521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |