CN105438260A - Steering system - Google Patents
Steering system Download PDFInfo
- Publication number
- CN105438260A CN105438260A CN201510773814.3A CN201510773814A CN105438260A CN 105438260 A CN105438260 A CN 105438260A CN 201510773814 A CN201510773814 A CN 201510773814A CN 105438260 A CN105438260 A CN 105438260A
- Authority
- CN
- China
- Prior art keywords
- steering
- pin
- hole
- oil passage
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000010687 lubricating oil Substances 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 12
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses a steering system. The steering system comprises a steering control mechanism (10) and a steering transmission mechanism (20) which is connected with the steering control mechanism (10), wherein the steering control mechanism (10) drives the steering transmission mechanism (20) to rotate; the steering transmission mechanism (20) drives a left steering joint (11) to move; the left steering joint (11) comprises an upper lug (2), a lower lug (3) and a steering knuckle main body (3); a lubricating oil hole (8) is arranged on a bushing (7); the lubricating oil hole (8) is shaped like a hourglass, whose diameter at the middle section (81) is less than diameters at the two ends (82), in an axial direction; pin holes (5) in the upper lug (2) and the lower lug (3) are elliptic; and short axis diameters of the elliptic pin holes (5) are larger than the diameter of the bushing (7). Through the adoption of the steering system disclosed by the invention, good lubricating effect and high assembling precision can be achieved.
Description
Technical field
The present invention relates to a kind of steering swivel system.
Background technology
In the steering swivel system of existing vehicle, steering swivel plays vital important in the steering system as requisite vitals, existing steering swivel is connected with the steeraxle of vehicle by bearing pin, and connects the wheel flutter of vehicle by axle journal.When needs turn to, navigating mate steering wheel rotation, drives steering control mechanism to rotate, and then drives steering gear to rotate; And steering gear is connected with steering swivel, drive steering swivel is produced an angular turn relative to steeraxle by the rotation of steering gear, and the rotation of steering swivel has driven the rotation of vehicle tyre, thus achieves turning to of vehicle.
But, in existing steering swivel system, operationally there is the problems such as the assembly precision of steering swivel system low and lubricant effect difference sometimes, thus cause feeling in the process used at navigating mate the problems such as the turning efficiency difference of steering swivel system.
Summary of the invention
The object of the present invention is to provide a kind of assembly precision high and the steering swivel system of high lubricating effect.
To achieve these goals, the present invention is achieved in that a kind of steering swivel system, comprise steering control mechanism, right steering that the steering gear be connected with described steering control mechanism, the left steering that is connected with described steering gear save, save hinged steeraxle with described left steering and be connected with described steeraxle saves, be connected by steering trapezoidal arm between described left steering joint saves with described right steering; Wherein said steering control mechanism comprises steering handwheel, the steering shaft be connected with described steering handwheel, described steering shaft connect deflector by universal-joint connection for transmission axle, described transmission shaft by universal-joint; Described steering gear comprises the pitman arm be connected with described deflector and the steering drag link be connected with described pitman arm; Wherein said left steering joint/right steering joint comprises steering swivel body, and described steering swivel body is provided with ear, lower ear and axle journal, and described left steering joint is also provided with the spindle arm be connected with described steering drag link; Ear and described lower ear are provided with mutually corresponding pin-and-hole on described, the bearing pin hinged with described steeraxle is installed in described pin-and-hole, between described pin-and-hole and described bearing pin, lining is installed, described lining is provided with oil passage, described oil passage is less than the hourglass shape of two ends diameter in its axial direction in stage casing diameter, and the pin-and-hole ovalize on described upper ear and described lower ear, and the minor axis dimension of the pin-and-hole of described ellipse is greater than the diameter of described lining.Described lining arranges the oil passage of this kind of mode, the lubricant effect of described steering swivel can be improved, especially can provide good lubrication to the steering swivel of lubricating oil deficiency when lubricating oil is under-supply, and then improve the lubricant effect of described steering swivel system; In addition, described pin-and-hole is arranged to ellipse, the alignment precision of the pin-and-hole on upper ear and the pin-and-hole on lower ear can be improved, and then the pin-and-hole of steering swivel and the assembly precision of bearing pin can be improved, and then improve the assembly precision of described steering swivel system; Described steering swivel system is made to obtain better turning efficiency with this.
In order to improve the assembly precision of described steering swivel system further, the pin-and-hole on the pin-and-hole on described upper ear and described lower ear is oval and measure-alike.
In order to improve lubricant effect further, described oil passage is two or more and is evenly arranged on described lining.
Preferably, described oil passage is four, and is evenly distributed on described lining circumferentially.
In order to improve lubricant effect further, the stage casing diameter of the oil passage in hourglass shape is 0.5-2mm, and the two ends diameter of oil passage is 2.5-5mm.
Preferably, the stage casing diameter of described oil passage is 1mm, and the two ends diameter of described oil passage is 4mm.
Adopt steering swivel system of the present invention, there is following beneficial effect: 1. assembly precision can be improved, pin-and-hole on described steering swivel is arranged to ellipse, improve pin-and-hole on steering swivel to plus effect, bearing pin can being made to be more prone to when fitting into the pin-and-hole on pin-and-hole and steeraxle, to improve assembly precision; 2. can improve the lubricant effect of steering swivel system, adopt the oil passage that hourglass shape is set on lining, the lubricant effect of steering swivel can be improved; 3. obtain better turning efficiency; Improve lubricant effect and the assembly precision of steering swivel system, make this steering swivel system obtain better turning efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present embodiment steering swivel system;
Fig. 2 is the front elevation of the steering swivel of the present embodiment;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the lining schematic diagram of the present embodiment;
Fig. 5 is the A-A cutaway view of Fig. 4.
Reference numeral: 1. steering swivel body; 2. go up ear; 3. descend ear; 4. axle journal; 5. pin-and-hole; 6. bearing pin; 7. lining; 8. oil passage; 81. stage casings; 82. two ends; 9. spindle arm; 10. steering system; 101. steering handwheel; 102. steering shaft; 103. universal-joint; 104. transmission shaft; 105. deflector; 11. left steering joints; 12. steeraxles; 13. right steering joints; 14. steering trapezoidal arms; 20. steer drives; 201. pitman arm; 202. steering drag link.
Detailed description of the invention
Introduce the present invention by by the embodiment shown in accompanying drawing below, but the present invention is not limited to introduced embodiment, any improvement or alternative on the present embodiment essence spirit, still belongs to the claims in the present invention scope required for protection:
Embodiment: as shown in Figures 1 to 4, a kind of steering swivel system, comprise steering control mechanism 10, the steering gear 20 be connected with described steering control mechanism 10, the left steering that is connected with described steering gear 20 save 11, save 11 hinged steeraxles 12 with described left steering and the right steering that is connected with described steeraxle 12 saves 13, described left steering joint 11 is connected by steering trapezoidal arm 14 between saving 13 with described right steering, wherein said steering control mechanism 10 comprises steering handwheel 101, the steering shaft 102 be connected with described steering handwheel 101, described steering shaft 102 connect deflector 105 by universal-joint 103 connection for transmission axle 104, described transmission shaft 104 by universal-joint 103, described steering gear 20 comprises the pitman arm 201 be connected with described deflector 105 and the steering drag link 202 be connected with described pitman arm 201, wherein said left steering saves 11/ right steering joint 13 and comprises steering swivel body 1, and described steering swivel body 1 is provided with ear 2, lower ear 3 and axle journal 4, and described left steering joint 9 is also provided with the spindle arm 15 be connected with described steering drag link 202, ear 2 and described lower ear 3 are provided with mutually corresponding pin-and-hole 5 on described, the bearing pin 6 hinged with described steeraxle 15 is installed in described pin-and-hole 5, between described pin-and-hole 5 and described bearing pin 6, lining 7 is installed, described lining 7 is provided with oil passage 8, described oil passage 8 is less than the hourglass shape of two ends 82 diameter in its axial direction in stage casing 81 diameter, and pin-and-hole 5 ovalize on described upper ear 2 and described lower ear 3, and the minor axis dimension of the pin-and-hole 5 of described ellipse is greater than the diameter of described lining 7, and pin-and-hole on described upper ear 25 and the pin-and-hole 5 on described lower ear 3 are oval and measure-alike.
In addition, described oil passage 8 is two or more and is evenly arranged on described lining 7.
In the present embodiment, described oil passage 8 is four, and is evenly distributed on described lining 7 circumferentially.
In addition, stage casing 81 diameter of the oil passage 8 in hourglass shape is 0.5-2mm, and two ends 82 diameter of oil passage 8 is 2.5-5mm.
Preferably, stage casing 81 diameter of described oil passage 8 is 1mm, and two ends 82 diameter of described oil passage 8 is 4mm.
Adopt the steering swivel system of the present embodiment, lining 7 between the pin-and-hole 5 and bearing pin 6 of described steering swivel is provided with the oil passage 8 of hourglass shape, described steering swivel can be made to obtain better lubricant effect, because when lubricating oil injects between described bearing pin 6 and described pin-and-hole 5, lubricating oil can gather in the oil passage 8 of the inside and outside both sides of described lining 7, when lubricating oil is under-supply time, the lubricating oil be gathered in oil passage 8 will overflow lubrication automatically, makes the lubricant effect reached when lubricating oil technique deficiency.In addition, described pin-and-hole 5 is arranged to ellipse, when welding the steering swivel of the present embodiment, first on upper ear 2 and lower ear 3, process the oval pin-and-hole 5 of same size, again described upper ear 2 and lower ear 3 are welded on described steering swivel body 1, make in welding process as far as possible described on the pin-and-hole 5 on ear 2 and the pin-and-hole 5 on described lower ear 3 coaxial; After welding, being utilized by described steering swivel, bearing pin 6 and steeraxle are hinged.Adopt the welding effect that first ensure that steering swivel in such a way, make steering swivel have high strength; In addition the pin-and-hole 5 on described upper ear 2 and described lower ear 3 is arranged to ellipse, even if producing error when welding, bearing pin 6 also can be made to fit into smoothly in the upper ear 2 of described steering swivel and the pin-and-hole 5 of lower ear 3, improve the assembly precision of steering swivel.
In the process travelled, when needing the steering swivel system of vehicle to turn to, the steering handwheel 101 of chaufeur manual rotation steering control mechanism 10, the amplification by deflector 105 of the steering torque of described steering control mechanism 10 is delivered to steering gear 20 later, steering torque is delivered to described left steering and saves 11 by the connection that steering gear 20 saves the spindle arm 15 of 11 by its steering drag link 202 and described left steering again, make left steering save 11 to produce relative rotation relative to described steeraxle 12, steering torque is passed to right steering joint 13 by the steering trapezoidal arm 14 that rotates through of described left steering joint 11, make right steering save 13 also to produce relative rotation relative to described steeraxle 12, the rotation of 11/ right steering joint 13 is saved by left steering, drive and be transferred on the rotation that described left steering saves the left steering wheel/right steering wheel on 11/ right steering joint 13, thus reach turning to of vehicle.
In the present embodiment, described steering trapezoidal arm 14 is existing steering trapezoidal arm, comprises saving with described left steering and right steering saves the tie rod arm be connected respectively, and connects the tierod of two tie rod arms.
Adopt the steering swivel system of the present embodiment, bring better lubricant effect can to described steering swivel system, there is higher assembly precision, avoid in problems such as the not good assembly precision of lubricant effect of working process generation are low, the turning efficiency brought, improves the satisfaction of Consumer's Experience.
Claims (6)
1. a steering swivel system, comprise steering control mechanism (10), the steering gear (20) be connected with described steering control mechanism (10), the left steering that is connected with described steering gear (20) save (11), save (11) hinged steeraxle (12) with described left steering and the right steering that is connected with described steeraxle (12) saves (13), described left steering joint (11) is saved with described right steering and is passed through steering trapezoidal arm (14) between (13) and be connected;
Wherein said steering control mechanism (10) comprises steering handwheel (101), the steering shaft (102) be connected with described steering handwheel (101), described steering shaft (102) connect deflector (105) by universal-joint (103) connection for transmission axle (104), described transmission shaft (104) by universal-joint (103); Described steering gear (20) comprises the pitman arm (201) be connected with described deflector (105) and the steering drag link (202) be connected with described pitman arm (201);
Wherein said left steering joint (11)/right steering joint (13) comprises steering swivel body (1), described steering swivel body (1) is provided with upper ear (2), lower ear (3) and axle journal (4), described left steering joint (9) is also provided with the spindle arm (15) be connected with described steering drag link (202), ear (2) and described lower ear (3) are provided with mutually corresponding pin-and-hole (5) on described, the bearing pin (6) hinged with described steeraxle (15) is installed in described pin-and-hole (5), lining (7) is installed between described pin-and-hole (5) and described bearing pin (6), it is characterized in that: on described lining (7), be provided with oil passage (8), described oil passage (8) is less than the hourglass shape of two ends (82) diameter in its axial direction in stage casing (81) diameter, and pin-and-hole (5) ovalize on described upper ear (2) and described lower ear (3), and the minor axis dimension of the pin-and-hole of described ellipse (5) is greater than the diameter of described lining (7).
2. steering swivel system as claimed in claim 1, is characterized in that: the pin-and-hole (5) on described upper ear (2) and the pin-and-hole (5) on described lower ear (3) are oval and measure-alike.
3. steering swivel system as claimed in claim 1 or 2, is characterized in that: described oil passage (8) is for two or more and be evenly arranged on described lining (7).
4. steering swivel system as claimed in claim 3, is characterized in that: described oil passage (8) is four, and is evenly distributed on described lining (7) circumferentially.
5. steering swivel system as claimed in claim 4, it is characterized in that: stage casing (81) diameter of the oil passage (8) in hourglass shape is 0.5-2mm, two ends (82) diameter of oil passage (8) is 2.5-5mm.
6. steering swivel system as claimed in claim 5, it is characterized in that: stage casing (81) diameter of described oil passage (8) is 1mm, two ends (82) diameter of described oil passage (8) is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773814.3A CN105438260A (en) | 2015-11-13 | 2015-11-13 | Steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773814.3A CN105438260A (en) | 2015-11-13 | 2015-11-13 | Steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105438260A true CN105438260A (en) | 2016-03-30 |
Family
ID=55549020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510773814.3A Pending CN105438260A (en) | 2015-11-13 | 2015-11-13 | Steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105438260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477983A (en) * | 2020-12-11 | 2021-03-12 | 南京信息职业技术学院 | Steering device of unmanned vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834559A (en) * | 1983-09-08 | 1989-05-30 | Klein, Schanzlin & Becker Aktiengesellschaft | Multiple-face radial plain bearing |
| CN201633774U (en) * | 2010-04-28 | 2010-11-17 | 袁洪海 | Automobile four-wheel steering controller |
| CN201895695U (en) * | 2010-11-12 | 2011-07-13 | 青特集团有限公司 | Knuckle bushing lubricating structure |
| US20110200422A1 (en) * | 2010-02-18 | 2011-08-18 | Daniel Allen Gutknecht | Multi-lobe semi-floating journal bearing |
| CN103410867A (en) * | 2013-08-21 | 2013-11-27 | 湖南中联重科车桥有限公司 | Bearing assembly, steering axle and vehicle |
| CN203888874U (en) * | 2014-05-09 | 2014-10-22 | 杭州汇丰车桥有限公司 | Lubrication system for front axle steering |
| CN205087010U (en) * | 2015-11-13 | 2016-03-16 | 重庆海獒精密锻造有限公司 | Steering system |
-
2015
- 2015-11-13 CN CN201510773814.3A patent/CN105438260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834559A (en) * | 1983-09-08 | 1989-05-30 | Klein, Schanzlin & Becker Aktiengesellschaft | Multiple-face radial plain bearing |
| US20110200422A1 (en) * | 2010-02-18 | 2011-08-18 | Daniel Allen Gutknecht | Multi-lobe semi-floating journal bearing |
| CN201633774U (en) * | 2010-04-28 | 2010-11-17 | 袁洪海 | Automobile four-wheel steering controller |
| CN201895695U (en) * | 2010-11-12 | 2011-07-13 | 青特集团有限公司 | Knuckle bushing lubricating structure |
| CN103410867A (en) * | 2013-08-21 | 2013-11-27 | 湖南中联重科车桥有限公司 | Bearing assembly, steering axle and vehicle |
| CN203888874U (en) * | 2014-05-09 | 2014-10-22 | 杭州汇丰车桥有限公司 | Lubrication system for front axle steering |
| CN205087010U (en) * | 2015-11-13 | 2016-03-16 | 重庆海獒精密锻造有限公司 | Steering system |
Non-Patent Citations (1)
| Title |
|---|
| 吉林工业大学，陈家瑞: "《汽车构造（下册）》", 31 January 2001 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477983A (en) * | 2020-12-11 | 2021-03-12 | 南京信息职业技术学院 | Steering device of unmanned vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |