CN204677624U - A kind of flange plate end-face structure of low wearing and tearing high-mechanic hub bearing - Google Patents
A kind of flange plate end-face structure of low wearing and tearing high-mechanic hub bearing Download PDFInfo
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- CN204677624U CN204677624U CN201520333542.0U CN201520333542U CN204677624U CN 204677624 U CN204677624 U CN 204677624U CN 201520333542 U CN201520333542 U CN 201520333542U CN 204677624 U CN204677624 U CN 204677624U
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Abstract
The utility model relates to a kind of flange plate end-face structure of low wearing and tearing high-mechanic 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.Raceway between the outer ring of bearing and inner ring is two roller path structures, and the internal thread through hole of bearing has multiple oilhole, and oil flows into rolling element by oil duct, high lubricating effect, improves wear resistance and the bearing capacity of bearing, improves the performance 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 of low wearing and tearing high-mechanic 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.
Bearing is the comparatively conventional fixed member in engineering machinery.Along with socioeconomic fast development, the demand of market to bearing is increasing, requires also more and more higher.Plain bearing comprises inner ring and outer ring, and is located at the ball in the middle of inner ring and outer ring.Bearing is in the rugged environment of High Temperature High Pressure simultaneously, and its rate of wear is sharply accelerated, and bearing can lose efficacy very soon, and too early bearing failure can cause the shut-down of whole equipment, reduces manufacturing efficiency, adds cost of production.The wear resistance and the bearing capacity that how to improve bearing are the current technical issues that need to address of those skilled in the art.
Model utility content
The purpose of this utility model is the flange plate end-face structure providing a kind of low wearing and tearing high-mechanic hub bearing for above-mentioned shortcomings and deficiencies of the prior art, namely improve wear resistance and the bearing capacity 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.
A flange plate end-face structure for low wearing and tearing high-mechanic 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;
Connect three layers of multidiameter shaft that axle head 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; Rolling element is between inner ring and the raceway of outer ring; The inner hole surface of outer ring is evenly provided with one deck outer ring self-lubricating sliding layer, the outer side surface of inner ring is evenly provided with one deck inner ring self-lubricating sliding layer; The sidewall upper of described internal thread through hole has multiple oilhole, and the oil duct that described oilhole is formed runs through inner ring thus connects internal thread through hole and rolling element; Raceway between inner ring and outer ring is two roller path structures.
Further, described inner ring, outer ring are made by modified structural steel.
Further, the radius of described oilhole is equal with the radius of oil duct.
Further, described inner ring self-lubricating sliding layer, outer ring self-lubricating sliding layer are bonded on inner ring and outer ring respectively by pyrolytic coating.
Further, in described bearing, also comprise two annular oil seal, be laterally located between outer ring, inner ring, and these two annular oil seal lay respectively at raceway both sides.
Compared with prior art, the advantage of the flange plate end-face structure of low wearing and tearing high-mechanic 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, significantly promotes the load-carrying properties of bearing when not strengthening bearing boundary dimension.The sidewall upper of the internal thread through hole of bearing has multiple oilhole, and the oil duct that oilhole is formed runs through inner ring thus connects internal thread through hole and rolling element.Coupling shaft is inserted internal thread through hole, oil is added in oilhole, oil flows into the position at rolling element place by oil duct, high lubricating effect, bearing operation noise is low, rubs little, effectively can improve the bearing failure because high temperature and high-speed resistance cause, substantially increase the working life of bearing, improve wear resistance and the bearing capacity of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flange plate end-face structure of the utility model low wearing and tearing high-mechanic hub bearing.
In figure: 1 inner ring, 101 internal thread through hole, 2 inner ring self-lubricating sliding layers, 3 outer rings, 4 outer ring self-lubricating sliding layers, 5 rolling elements, 6 annular oil seal, 7 coupling shafts, 701 third layer Step Shafts, 702 second layer Step Shafts, 703 first layer Step Shafts, 8 lock bolts, 801 bolt internal thread through hole, 9 inner flanges, 901 end face outside, 902 inner side ends, 903 grooves, 10 outward flange dishes, 11 wheel bolts, 12 oilholes, 13 oil ducts.
Embodiment
Structure of the present utility model is further described below in conjunction with accompanying drawing 1.
The flange plate end-face structure of a kind of low wearing and tearing high-mechanic 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 11, the afterbody of wheel bolt 11 stretches out outside the end face outside 901 of inner flange 9, and the axis of wheel bolt 11 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 11 is positioned at groove 903, leaves radial clearance between the both sides cell wall of wheel bolt 11 outer rim and groove 903.
The effect of groove 903 is, finish turning adds man-hour, after wheel bolt 11 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 11.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 8, and internal thread through hole 101 is offered at the center of bearing vertically, and lock bolt 8 and coupling shaft 7 load in bearing from internal thread through hole 101 two ends are relative respectively; Bolt internal thread through hole 801 is offered at the center of lock bolt 8 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 801 of lock bolt 8, 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 8 is stretched into internal thread through hole 101 from bearing one end, and screwed by bolt internal thread through hole 801 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; Rolling element 5 is between inner ring 1 and the raceway of outer ring 3; The inner hole surface of outer ring 3 is evenly provided with one deck outer ring self-lubricating sliding layer 4, the outer side surface of inner ring 1 is evenly provided with one deck inner ring self-lubricating sliding layer 2; The sidewall upper of described internal thread through hole 101 has multiple oilhole 12, and the oil duct 13 that described oilhole 12 is formed runs through inner ring 1 thus connects internal thread through hole 101 and rolling element 5; Raceway between inner ring 1 and outer ring 3 is two roller path structures.
Inner ring 1, outer ring 3 are made by modified structural steel.The radius of described oilhole 12 is equal with the radius of oil duct 13.Described inner ring self-lubricating sliding layer 2, outer ring self-lubricating sliding layer 4 are bonded on inner ring 1 and outer ring 3 respectively by pyrolytic coating.In described bearing, also comprise two annular oil seal 6, be laterally located between outer ring 3, inner ring 1, and these two annular oil seal 6 lay respectively at raceway both sides.
Raceway between the outer ring of bearing of the present utility model and inner ring is two roller path structures, significantly promotes the load-carrying properties of bearing when not strengthening bearing boundary dimension.The sidewall upper of the internal thread through hole of bearing has multiple oilhole, and the oil duct that oilhole is formed runs through inner ring thus connects internal thread through hole and rolling element.Coupling shaft is inserted internal thread through hole, oil is added in oilhole, oil flows into the position at rolling element place by oil duct, high lubricating effect, bearing operation noise is low, rubs little, effectively can improve the bearing failure because high temperature and high-speed resistance cause, substantially increase the working life of bearing, improve wear resistance and the bearing capacity 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 (5)
1. a flange plate end-face structure for low wearing and tearing high-mechanic hub bearing, is characterized in that: comprise flange plate component, coupling shaft (7) and locking member, and 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 (11) is loaded at the upper interval of inner flange (9), the afterbody of wheel bolt (11) stretches out the end face outside (901) of inner flange (9) outward, and the axis of wheel bolt (11) 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 (11) is positioned at groove (903), leaves radial clearance between the both sides cell wall of wheel bolt (11) outer rim and groove (903);
Locking member comprises bearing and lock bolt (8), internal thread through hole (101) is offered at the center of bearing vertically, and lock bolt (8) and coupling shaft (7) load in bearing from internal thread through hole (101) two ends are relative respectively; Bolt internal thread through hole (801) is offered at the center of lock bolt (8) 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 (801) of lock bolt (8), 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); Rolling element (5) is positioned between the raceway of inner ring (1) and outer ring (3); The inner hole surface of outer ring (3) is evenly provided with one deck outer ring self-lubricating sliding layer (4), the outer side surface of inner ring (1) is evenly provided with one deck inner ring self-lubricating sliding layer (2); The sidewall upper of described internal thread through hole (101) has multiple oilhole (12), and the oil duct (13) that described oilhole (12) is formed runs through inner ring (1) thus connects internal thread through hole (101) and rolling element (5); Raceway between inner ring (1) and outer ring (3) is two roller path structures.
2. the flange plate end-face structure of a kind of low wearing and tearing high-mechanic hub bearing according to claim 1, is characterized in that: described inner ring (1), outer ring (3) are made by modified structural steel.
3. the flange plate end-face structure of a kind of low wearing and tearing high-mechanic hub bearing according to claim 1, is characterized in that: the radius of described oilhole (12) is equal with the radius of oil duct (13).
4. the flange plate end-face structure of a kind of low wearing and tearing high-mechanic hub bearing according to claim 1, is characterized in that: described inner ring self-lubricating sliding layer (2), outer ring self-lubricating sliding layer (4) are bonded on inner ring (1) and outer ring (3) respectively by pyrolytic coating.
5. the flange plate end-face structure of a kind of low wearing and tearing high-mechanic hub bearing according to claim 1,2,3 or 4, it is characterized in that: in described bearing, also comprise two annular oil seal (6), laterally be located between outer ring (3), inner ring (1), and these two annular oil seal (6) lay respectively at raceway both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333542.0U CN204677624U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure of low wearing and tearing high-mechanic hub bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520333542.0U CN204677624U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure of low wearing and tearing high-mechanic hub bearing |
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| CN204677624U true CN204677624U (en) | 2015-09-30 |
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| CN201520333542.0U Expired - Fee Related CN204677624U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure of low wearing and tearing high-mechanic hub bearing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044238A (en) * | 2019-05-23 | 2019-07-23 | 洛阳普瑞森精密轴承有限公司 | A kind of crossed roller bearing clearance measuring apparatus |
-
2015
- 2015-05-21 CN CN201520333542.0U patent/CN204677624U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044238A (en) * | 2019-05-23 | 2019-07-23 | 洛阳普瑞森精密轴承有限公司 | A kind of crossed roller bearing clearance measuring apparatus |
| CN110044238B (en) * | 2019-05-23 | 2023-12-01 | 洛阳普瑞森精密轴承有限公司 | Cross roller bearing play measuring instrument |
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| Date | Code | Title | Description |
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| 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: 20150930 Termination date: 20180521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |