CN103465959A - Lightweight steering knuckle - Google Patents

Lightweight steering knuckle Download PDF

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Publication number
CN103465959A
CN103465959A CN2013104334632A CN201310433463A CN103465959A CN 103465959 A CN103465959 A CN 103465959A CN 2013104334632 A CN2013104334632 A CN 2013104334632A CN 201310433463 A CN201310433463 A CN 201310433463A CN 103465959 A CN103465959 A CN 103465959A
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China
Prior art keywords
steering swivel
panel
skeleton
lightweight
wheel shaft
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CN2013104334632A
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CN103465959B (en
Inventor
李鸿儒
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Zishi Energy Co ltd
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BEIJING HANNENG CHUANGYU TECHNOLOGY Co Ltd
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Priority to CN201310433463.2A priority Critical patent/CN103465959B/en
Publication of CN103465959A publication Critical patent/CN103465959A/en
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Abstract

The invention discloses a lightweight steering knuckle. The lightweight steering knuckle comprises a steering knuckle skeleton suitable for connecting a suspension system, a wheel axle and a brake ear arranged on the steering knuckle skeleton; the steering knuckle skeleton is molded into a panel; the circumferential side wall of the panel is a solid wall; the middle part, surrounded by the circumferential side wall, of the panel is mesh hollow; the wheel axle is perpendicular to the panel, namely the steering knuckle skeleton is not manufactured in a solid any longer, but is manufactured into the panel of which the middle part is mesh hollow. The strength of the steering knuckle is guaranteed; meanwhile, the lightweight steering knuckle has the characteristics of low mass, light weight and easiness in machining, and can meet the requirement on lightweight in the field of race vehicles.

Description

A kind of lightweight steering swivel
Technical field
The present invention relates to a kind of steering swivel applied on automobile, relate in particular to a kind of lightweight steering swivel that is suitable for racing car.
Background technology
Steering swivel is one of vital parts on steering axle of automobile, can make vehicle steadily travel and sensitive transmission travel direction, and the function of steering swivel is to bear automotive front load, supports and drives front-wheel and make motor turning around the stub rotation.Under motoring condition, it is bearing changeable impact load, is one of key components and parts on automobile, has very high requirement of strength.Therefore, people have carried out a large amount of research to steering swivel, just formed society get on the car in panoramic slewing journal structure, constantly promote the performance of automobile.Generally, steering swivel can adopt the mode of quenching to be optimized it, it is not easy to operate that yet surface hardening is processed, and the performance of laser quenching hardened layer can not effectively be guaranteed, the bad control of steering swivel case depth, case depth increases, strength at repeated alternation increases, but hardened-depth to spend top layer when dark be compression effort, thereby case depth is excessive, strength at repeated alternation descends on the contrary, and workpiece fragility is increased.The shallow out of reach of case depth effect, this has just produced tremendous influence to the performance of steering swivel, especially more huge on the passive axostylus axostyle impact of automotive wheels.
In order to address the above problem, Chinese patent literature CN103057590A discloses a kind of high-strength automobile steering knuckle, comprises terminal pad, described terminal pad one side is provided with axostylus axostyle, opposite side is provided with two fork ears, on described fork ear, is respectively equipped with pin-and-hole, and described axostylus axostyle surface is provided with the carburizing strengthening layer.By the axostylus axostyle surface at steering swivel, the carburizing strengthening layer is set at the described high strength steering swivel of above-mentioned patent documentation, makes steering swivel become hardness high, wear resisting property is good, and strength at repeated alternation is high, the high strength steering swivel that anti-shock loading is large.
But the described high strength steering swivel of above-mentioned patent documentation has the following disadvantages: this steering swivel adopts solid manufacture to form, weight is surprising, the intensity surplus, shorter and smaller and the machining process more complicated of size, be only applicable to the such mass production method of automotive field, and can not meet the racing car field for the weight-saving requirement, so-called lightweight is exactly under the prerequisite of the intensity that guarantees automobile and safety performance, the curb mass of reduce automobile, lightweight, can bring better handling, the power of driving engine output can produce higher acceleration/accel, vehicle is light, during starting, acceleration capability is better, stopping distance during brake is shorter.
Summary of the invention
For this reason, technical matters to be solved by this invention is that in prior art, steering swivel is solid manufacture, and weight is large, the processing technology complexity, and then provide a kind of quality little, lightweight, and be easy to processing, can meet the lightweight steering swivel of racing car field lightweight requirements.
For solving the problems of the technologies described above, a kind of lightweight steering swivel of the present invention, it comprises the applicable steering swivel skeleton be connected with suspension system, be arranged on wheel shaft and braking ear on described steering swivel skeleton, described steering swivel skeleton forming is panel, the circumferential side wall of described panel is solid wall, the circumferential side wall of described panel around centre portion be netted hollow out, described wheel shaft is perpendicular to described panel setting.
Described braking ear is located on the sidewall on the thickness direction of described steering swivel skeleton, and near described wheel shaft setting.
Described braking ear and described steering swivel frame welding are fixed.
An end away from described wheel shaft of described steering swivel skeleton, and the middle part of described steering swivel skeleton is equipped with the yoke connecting bore that penetrates described plate thickness, form the bolt hole that penetrates described yoke connecting bore sidewall on the sidewall of each described yoke connecting bore, the yoke that will insert on the described suspension system in described yoke connecting bore by bolt is connected with described steering swivel skeleton.
Described yoke connecting bore forms two, is separately positioned on the end of described panel away from described wheel shaft, and the middle part of described panel.
Also be provided with one on the end of described panel away from described wheel shaft and be fixedly connected with hole, form and penetrate the described bolt hole that is fixedly connected with the hole sidewall on the described sidewall that is fixedly connected with hole, the connecting rod that will insert on the described described suspension system be fixedly connected with in hole by bolt is connected with described steering swivel skeleton.
All overlap in described bolt hole and be useful on the bolt borehole jack that strengthens resistance to abrasion.
Described steering swivel skeleton forming is the inverted trapezoidal panel, and described wheel shaft is arranged on the small end end of described inverted trapezoidal panel.
Described steering swivel skeleton and described wheel shaft are formed in one.
Described inverted trapezoidal panel is divided into upper and lower two parts by the crossbeam of entity, and described netted hollow out is molded on described upper and lower two parts, and described netted hollow out is the netted hollow out of honeycomb, and the described yoke connecting bore at described panel middle part is molded on described crossbeam.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) in the present invention, described steering swivel skeleton forming is panel, and the circumferential side wall of described panel is solid wall, the circumferential side wall of described panel around centre portion be netted hollow out, described wheel shaft is perpendicular to described panel setting, be that described steering swivel skeleton is no longer solid manufacture, and be the panel of netted hollow out in the middle of making, in the intensity that guarantees this steering swivel, there is quality little, lightweight, be easy to the characteristics of processing, can meet the weight-saving requirement of racing car field.
(2) in the present invention, described steering swivel skeleton forming is the inverted trapezoidal panel, the lower end of described steering swivel skeleton vertically is provided with described wheel shaft, the large end of described steering swivel skeleton and midway location are provided with described yoke connecting bore, thereby this steering swivel can be connected with suspension system smoothly, can meet again this steering swivel bottom and want the requirement of installing wheel, make wheel constantly rotate around described wheel shaft in the process of moving.
(3) in the present invention, described inverted trapezoidal panel is divided into upper and lower two parts by the crossbeam of entity, and described netted hollow out is molded on described upper and lower two parts, makes described steering swivel skeleton realize lightweight in the situation that meet requirement of strength; And described netted hollow out is the netted hollow out of honeycomb, the described yoke connecting bore at described panel middle part is molded on described crossbeam, and making the both sides up and down of described yoke connecting bore is entity structure, is convenient to process described bolt hole in the above.
The accompanying drawing explanation
For content of the present invention more easily is expressly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is that steering swivel skeleton of the present invention is the cancellated schematic diagram of honeycomb
Fig. 2 is the schematic diagram that steering swivel skeleton of the present invention is the cross network structure;
Fig. 3 is that steering swivel skeleton of the present invention is the cancellated schematic diagram of Neural Tree unit;
In figure, Reference numeral is expressed as: 1-steering swivel skeleton; The 11-wheel shaft; 12-brakes ear; 13-yoke connecting bore; The 14-bolt hole; 15--is fixedly connected with hole.
The specific embodiment
Below with reference to accompanying drawing, use following examples to be further elaborated the present invention.
As shown in Figure 1, the described a kind of lightweight steering swivel of the present embodiment, it comprises the applicable steering swivel skeleton 1 be connected with suspension system, be arranged on wheel shaft 11 and braking ear 12 on described steering swivel skeleton 1, described steering swivel skeleton 1 is shaped to panel, the circumferential side wall of described panel is solid wall, the circumferential side wall of described panel around centre portion be netted hollow out, described wheel shaft 11 is perpendicular to described panel setting; Be that described steering swivel skeleton 1 is no longer solid manufacture, and be the panel of netted hollow out in the middle of making, in the intensity that guarantees this steering swivel, there is quality little, lightweight, be easy to the characteristics of processing, can meet the weight-saving requirement of racing car field, as preferred embodiment, in the present embodiment, described steering swivel skeleton 1 adopts high strength material to make, as aviation aluminium, titanium alloy, carbon fiber, magnesium alloy etc., make the quality of this steering swivel greatly reduce, and intensity still can meet the operating needs in racing car field.
Described braking ear 12 is located on the sidewall on the thickness direction of described steering swivel skeleton 1, and arranges near described wheel shaft 11; Described braking ear 12 is welded and fixed with described steering swivel skeleton 1; During use, 11 pairs of wheels of described wheel shaft are fixed, make wheel constantly rotate around described wheel shaft 11 in the process of travelling, described braking ear 12 is connected with brake clamp, in the situation that vehicle braking requirement all, braking force passes to wheel by described braking ear 12, makes car retardation or parking.
On the basis of above-described embodiment, in the present embodiment, an end away from described wheel shaft 11 of described steering swivel skeleton 1, and the middle part of described steering swivel skeleton 1 is equipped with the yoke connecting bore 13 that penetrates described plate thickness, form the bolt hole 14 that penetrates described yoke connecting bore 13 sidewalls on the sidewall of each described yoke connecting bore 13, the yoke that will insert on the described suspension system in described yoke connecting bore 13 by bolt is connected with described steering swivel skeleton 1; As preferred embodiment, described yoke connecting bore 13 forms two, be separately positioned on the end of described panel away from described wheel shaft 11, and the middle part of described panel, and in the present embodiment, two described bolts hole 14 on two described yoke connecting bores 13 have formed main pin axis, and described main pin axis is mainly used in the control process in the vehicular four wheels location, the rideability of vehicle is also had a certain impact simultaneously; Also be provided with one on the end of described panel away from described wheel shaft 11 and be fixedly connected with hole 15, form and penetrate the described bolt hole 14 that is fixedly connected with hole 15 sidewalls on the described sidewall that is fixedly connected with hole 15, the connecting rod that will insert on the described described suspension system be fixedly connected with in hole 15 by bolt is connected with described steering swivel skeleton 1, in the present embodiment, all overlap in described bolt hole 14 and be useful on the bolt borehole jack that strengthens resistance to abrasion.When the described steering swivel of the present embodiment rotates for front-wheel, the yoke that only need to will stretch into by the described bolt hole 14 on described main pin axis two described suspension systems in described yoke connecting bore 13 is fixedly connected with and gets final product; When the described steering swivel of the present embodiment does not need to turn to for trailing wheel, only need the yoke that will will stretch into two described suspension systems in described yoke connecting bore 13 by described bolt hole 14 to be fixedly connected with, connecting rod is fixedly linked with the described hole 15 that is fixedly connected with simultaneously, can make trailing wheel and wheel be fixed as one, can not freely rotate.
Described steering swivel skeleton 1 is shaped to the inverted trapezoidal panel, and described wheel shaft 11 is arranged on the small end end of described inverted trapezoidal panel, and described steering swivel skeleton 1 and described wheel shaft 11 are formed in one.In the present embodiment, the lower end of described steering swivel skeleton 1 vertically is provided with described wheel shaft 11, the large end of described steering swivel skeleton 1 and midway location are provided with described yoke connecting bore 13, thereby this steering swivel can be connected with suspension system smoothly, can meet again this steering swivel bottom and want the requirement of installing wheel, make wheel constantly rotate around described wheel shaft in the process of moving.
On the basis of above-described embodiment, as preferred embodiment, described inverted trapezoidal panel is divided into by the crossbeam of entity, lower two parts, described netted hollow out be molded over described on, on lower two parts, and described netted hollow out is the netted hollow out of honeycomb, preferred described honeycomb is netted to be consisted of hexgonal structure, netted and the described circumferential side wall junction of described honeycomb is irregularly shaped the connection, and just half staggers the netted hexagon of described honeycomb mutually, the point that the hexagonal limit of combination intersects mutually is inboard hexagonal center, this just improves the intensity of described steering swivel skeleton 1 greatly, prevented that this slewing journal structure from breaking, certainly, the netted engraved structure of described inverted trapezoidal panel can also be made as cross network structure (as shown in Figure 2), other net structures such as Neural Tree unit's net structure (as shown in Figure 3), and the described yoke connecting bore 13 at described panel middle part is molded on described crossbeam, and making the both sides up and down of described yoke connecting bore 13 is entity structure, is convenient to process described bolt hole 14 in the above.
The integrated modes such as the described steering swivel skeleton 1 of above-described embodiment and the 11 employing casting of described wheel shaft are manufactured, then adopt the mode of drilling to process described bolt hole 14, finally the described braking ear 12 processed is welded on the sidewall of thickness direction of described steering swivel skeleton 1.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.

Claims (10)

1. a lightweight steering swivel, it comprises the applicable steering swivel skeleton (1) be connected with suspension system, be arranged on wheel shaft (11) and braking ear (12) on described steering swivel skeleton (1), it is characterized in that: described steering swivel skeleton (1) is shaped to panel, the circumferential side wall of described panel is solid wall, the circumferential side wall of described panel around centre portion be netted hollow out, described wheel shaft (11) is perpendicular to described panel setting.
2. a kind of lightweight steering swivel according to claim 1 is characterized in that: described braking ear (12) is located on the sidewall on the thickness direction of described steering swivel skeleton (1), and arranges near described wheel shaft (11).
3. a kind of lightweight steering swivel according to claim 2 is characterized in that: described braking ear (12) is welded and fixed with described steering swivel skeleton (1).
4. according to the described a kind of lightweight steering swivel of any one in claim 1-3, it is characterized in that: the end away from described wheel shaft (11) of described steering swivel skeleton (1), and the middle part of described steering swivel skeleton (1) is equipped with the yoke connecting bore (13) that penetrates described plate thickness, form the bolt hole (14) that penetrates described yoke connecting bore (13) sidewall on the sidewall of each described yoke connecting bore (13), the yoke that will insert on the described suspension system in described yoke connecting bore (13) by bolt is connected with described steering swivel skeleton (1).
5. a kind of lightweight steering swivel according to claim 4, it is characterized in that: described yoke connecting bore (13) forms two, be separately positioned on the end of described panel away from described wheel shaft (11), and the middle part of described panel.
6. a kind of lightweight steering swivel according to claim 5, it is characterized in that: also be provided with one on the end of described panel away from described wheel shaft (11) and be fixedly connected with hole (15), form and penetrate the described bolt hole (14) that is fixedly connected with hole (15) sidewall on the described sidewall that is fixedly connected with hole (15), the connecting rod that will insert on the described described suspension system be fixedly connected with in hole (15) by bolt is connected with described steering swivel skeleton (1).
7. a kind of lightweight steering swivel according to claim 6, is characterized in that: all overlap in described bolt hole (14) and be useful on the bolt borehole jack that strengthens resistance to abrasion.
8. according to the described a kind of lightweight steering swivel of claim 1-7 any one, it is characterized in that: described steering swivel skeleton (1) is shaped to the inverted trapezoidal panel, and described wheel shaft (11) is arranged on the small end end of described inverted trapezoidal panel.
9. according to the described a kind of lightweight steering swivel of claim 1-8 any one, it is characterized in that: described steering swivel skeleton (1) and described wheel shaft (11) are formed in one.
10. a kind of lightweight steering swivel according to claim 8, it is characterized in that: described inverted trapezoidal panel is divided into upper and lower two parts by the crossbeam of entity, described netted hollow out is molded on described upper and lower two parts, and described netted hollow out is the netted hollow out of honeycomb, the described yoke connecting bore (13) at described panel middle part is molded on described crossbeam.
CN201310433463.2A 2013-09-23 2013-09-23 A kind of lightweight steering swivel Active CN103465959B (en)

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Application Number Priority Date Filing Date Title
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007040304A1 (en) * 2005-10-06 2007-04-12 Dong-A Automotive Co., Ltd. Ball joint integrated knuckle and assembling method thereof
DE19931018C5 (en) * 1999-07-06 2010-09-30 Volkswagen Ag Automotive wheel
CN201677926U (en) * 2010-03-23 2010-12-22 苏州奥杰汽车工业有限公司 Steering knuckle for vehicle
CN202593618U (en) * 2011-12-26 2012-12-12 宁波华盛汽车部件有限公司 Light right steering knuckle assembly
CN202641852U (en) * 2012-05-28 2013-01-02 宁波华盛汽车部件有限公司 Steering knuckle assembly
CN202896672U (en) * 2012-10-12 2013-04-24 芜湖中升汽车转向节制造有限公司 Steering knuckle for automobile
CN203142777U (en) * 2013-01-16 2013-08-21 宁波润轴汽配有限公司 Front steering knuckle of automobile
CN203485996U (en) * 2013-09-23 2014-03-19 北京汉能创昱科技有限公司 Light steering knuckle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19931018C5 (en) * 1999-07-06 2010-09-30 Volkswagen Ag Automotive wheel
WO2007040304A1 (en) * 2005-10-06 2007-04-12 Dong-A Automotive Co., Ltd. Ball joint integrated knuckle and assembling method thereof
CN201677926U (en) * 2010-03-23 2010-12-22 苏州奥杰汽车工业有限公司 Steering knuckle for vehicle
CN202593618U (en) * 2011-12-26 2012-12-12 宁波华盛汽车部件有限公司 Light right steering knuckle assembly
CN202641852U (en) * 2012-05-28 2013-01-02 宁波华盛汽车部件有限公司 Steering knuckle assembly
CN202896672U (en) * 2012-10-12 2013-04-24 芜湖中升汽车转向节制造有限公司 Steering knuckle for automobile
CN203142777U (en) * 2013-01-16 2013-08-21 宁波润轴汽配有限公司 Front steering knuckle of automobile
CN203485996U (en) * 2013-09-23 2014-03-19 北京汉能创昱科技有限公司 Light steering knuckle

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Address after: 102209 Beijing city Changping District town Beiqijia Hongfu Pioneer Park No. 15 hospital

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