CN204664189U - A kind of flange plate end-face structure sealing gear wheel bearing - Google Patents
A kind of flange plate end-face structure sealing gear wheel bearing Download PDFInfo
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- CN204664189U CN204664189U CN201520334451.9U CN201520334451U CN204664189U CN 204664189 U CN204664189 U CN 204664189U CN 201520334451 U CN201520334451 U CN 201520334451U CN 204664189 U CN204664189 U CN 204664189U
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Abstract
The utility model relates to a kind of flange plate end-face structure sealing gear wheel 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, its economic benefit and social benefit fairly obvious.Two roller path structure taked by bearing, and the shoulder block height of the both sides of outer ring and bearing body differs, and can load more steel ball, bearing load carrying capacity is strengthened.Bearing and gear are carried out Integration Design, alleviates quality, improve the stability of transmission of power.Pre-note oil at a high speed between two dust rings, when preventing the dust in air from entering Bearing inner and running up, the splashing of grease, improves the working life 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 gear wheel 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 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.Along with socioeconomic fast development, the demand of market to bearing is increasing, requires also more and more higher.How gear transmission and loading ability of bearing are effectively combined and solve that the number of components in prior art is many, quality weight, the problem of the poor reliability of transmission of power is the current technical issues that need to address of those skilled in the art simultaneously.
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 gear wheel 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 gear wheel 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 bearing outer ring, bearing body, rolling element, retainer; Rolling element is between bearing body and the raceway of bearing 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 bearing body and bearing outer ring is two roller path structures; In bearing, be positioned at raceway both sides, be laterally located between bearing outer ring, bearing body and be also provided with two dust rings; The internal surface of bearing outer ring is provided with dustproof groove, and dust ring is nested in dustproof groove, and and be spaced a distance between the outer surface of bearing body; The outer side surface of bearing outer ring is also provided with gear part, the madial wall of described bearing outer ring has multiple oilhole, the oil duct through-shaft bearing outer-ring that described oilhole is formed thus connect gear part and rolling element.
Compared with prior art, the advantage of the flange plate end-face structure of sealing gear wheel 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, 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.
3, the raceway between the outer ring of bearing of the present utility model and bearing body 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 bearing body differs, the shoulder block of side wherein processing lower be to load more steel ball, bearing load carrying capacity strengthen.Effectively can improve the bearing failure because high temperature and high-speed resistance cause by this self-lubricating sliding layer of increase simultaneously, substantially increase the working life of bearing.
4, bearing and gear are carried out Integration Design by the utility model, and namely the outer shroud of gear and bearing is designed to integrative-structure, effectively reduces number of spare parts, alleviates quality, can improve the stability of transmission of power simultaneously.Offer oil duct in gear part, decrease wearing and tearing, transmission is more flexible, effectively reduces noise during gear transmission, extends the working life of gear, substantially increase the reliability of working gear.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flange plate end-face structure of the utility model sealing gear wheel bearing.
In figure: 1 bearing body, 101 internal thread through hole, 2 oilholes, 3 bearing 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 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 gear part, 13 oil ducts.
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 gear wheel 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 bearing outer ring 3, bearing body 1, rolling element 5, retainer 4; Rolling element 5 is between bearing body 1 and the raceway of bearing 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 bearing body 1 and bearing outer ring 3 is two roller path structures.Significantly promote the load-carrying properties of bearing when not strengthening bearing boundary dimension, the shoulder block height of the both sides of outer ring and bearing body differs, and be to load more steel ball the lower of the shoulder block of side wherein processing, bearing load carrying capacity is strengthened.Effectively can improve the bearing failure because high temperature and high-speed resistance cause by this self-lubricating sliding layer of increase simultaneously, substantially increase the working life of bearing.
In bearing, be positioned at raceway both sides, be laterally located between bearing outer ring 3, bearing body 1 and be also provided with two dust rings 6; The internal surface of bearing 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 bearing body 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.
The outer side surface of bearing outer ring 3 is also provided with gear part 12, the madial wall of described bearing outer ring 3 has multiple oilhole 2, the oil duct 13 through-shaft bearing outer-ring 3 that described oilhole 2 is formed thus connect gear part 12 and rolling element 5.Bearing and gear are carried out Integration Design by the utility model, and namely the outer shroud of gear and bearing is designed to integrative-structure, effectively reduces number of spare parts, alleviates quality, can improve the stability of transmission of power simultaneously.Offer oil duct in gear part, decrease wearing and tearing, transmission is more flexible, effectively reduces noise during gear transmission, extends the working life of gear, substantially increase the reliability of working gear.
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 (1)
1. seal a flange plate end-face structure for gear wheel 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 (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 bearing outer ring (3), bearing body (1), rolling element (5), retainer (4); Rolling element (5) is positioned between the raceway of bearing body (1) and bearing 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 bearing body (1) and bearing outer ring (3) is two roller path structures; In bearing, be positioned at raceway both sides, be laterally located between bearing outer ring (3), bearing body (1) and be also provided with two dust rings (6); The internal surface of bearing outer ring (3) is provided with dustproof groove, and dust ring (6) is nested in dustproof groove, and and be spaced a distance between the outer surface of bearing body (1); The outer side surface of bearing outer ring (3) is also provided with gear part (12), the madial wall of described bearing outer ring (3) has multiple oilhole (2), oil duct (13) the through-shaft bearing outer-ring (3) that described oilhole (2) is formed thus connect gear part (12) and rolling element (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334451.9U CN204664189U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing gear wheel bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334451.9U CN204664189U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing gear wheel bearing |
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| Publication Number | Publication Date |
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| CN204664189U true CN204664189U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520334451.9U Expired - Fee Related CN204664189U (en) | 2015-05-21 | 2015-05-21 | A kind of flange plate end-face structure sealing gear wheel bearing |
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| CN (1) | CN204664189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240507A (en) * | 2015-10-21 | 2016-01-13 | 成都绿迪科技有限公司 | Transmission shaft of die head threading machine |
| CN109252479A (en) * | 2018-11-07 | 2019-01-22 | 珠海亿华电动车辆有限公司 | Wheel set, bicycle frame device and road sweeper |
-
2015
- 2015-05-21 CN CN201520334451.9U patent/CN204664189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240507A (en) * | 2015-10-21 | 2016-01-13 | 成都绿迪科技有限公司 | Transmission shaft of die head threading machine |
| CN109252479A (en) * | 2018-11-07 | 2019-01-22 | 珠海亿华电动车辆有限公司 | Wheel set, bicycle frame device and road sweeper |
| CN109252479B (en) * | 2018-11-07 | 2023-12-05 | 珠海亿华电动车辆有限公司 | Wheel assembly, frame device and sweeping vehicle |
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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 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |