CN102837738B - Steering axle and vehicle with same - Google Patents
Steering axle and vehicle with same Download PDFInfo
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- CN102837738B CN102837738B CN201210351596.0A CN201210351596A CN102837738B CN 102837738 B CN102837738 B CN 102837738B CN 201210351596 A CN201210351596 A CN 201210351596A CN 102837738 B CN102837738 B CN 102837738B
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- flange
- steeraxle
- stub
- lining
- wheel shaft
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Abstract
The invention provides a steering axle and a vehicle with the same. The steering axle comprises an axle (11), a steering knuckle (12), a main pin (14), a lining (13) and a sealing device, wherein the main pin (14) penetrates through an ear part of the steering knuckle (12) and a fist part of the axle (11) to connect the axle (11) with the steering knuckle (12); the lining (13) is arranged between the main pin (14) and a pin hole in the ear part, which is matched with the main pin (14); both the upper end part and the lower end part of the lining (13) are cut through; the periphery of the main pin (14) is provided with a flange (141) which is positioned between the fist part of the axle (11) and a corresponding end face of the lining (13); and the sealing device is arranged between the peripheral surface of the flange (141) and the pin hole. Lubricating grease for lubricating the main pin is sealed by the flange and the sealing device, so that too much lubricating grease is prevented from flowing into a gap between the steering knuckle and the axle along an oil groove formed in the lining.
Description
Technical field
The present invention relates to vehicular field, in particular to a kind of steeraxle and the vehicle with it.
Background technology
Vehicle steer axle or steering drive axle stub mainly contain two kinds of forms: one is integrated main latch structure, and as shown in Figure 1, stub 5 is an entirety, between steering swivel 2 times ears and wheel shaft 1 fist portion, bearing is housed.Steering swivel 2 leaves appropriate gap △ between ear and wheel shaft 1 fist portion, and this gap is less, is generally 0.05 ~ 0.15, debugs whole pad 4 ensure by choosing.For reducing wear, press-in lining 3 in steering swivel 2 pin-and-hole, the oilway on lining 3 is cut logical at upper head, with being contained on steering swivel 2 or oil nozzle on the annex such as kingpin cap injects lubricating grease and lubricates stub 5.Lining 3 has Qie Tong and does not cut logical two kinds of forms in end below.Integrated main latch structure is applicable to most of steeraxle.
Another kind is sectional type stub structure, as shown in Figure 2, on steering swivel 2 ear pass through with wheel shaft 1 fist portion on stub 5 ' be connected, steering swivel 2 times ears are connected by lower stub 6 with wheel shaft 1 fist portion, upper stub 5 ' is relatively independent with lower stub 6, steering swivel 2 is provided with lining 3 between the pin-and-hole of ear and upper stub 5 ', between the pin-and-hole and lower stub 6 of steering swivel 2 times ears, is also provided with lining.Sectional type stub is mainly applicable to steering drive axle.On the steering swivel 2 of sectional type stub structure, between ear and wheel shaft 1 fist portion, gap does not generally adopt and adjusts pad and regulate, and is directly ensured by each element precision, and therefore this gap is slightly large.
Shortcoming of the prior art: only cut logical at upper head to the oilway on lining 3, at steering swivel 2 with the relative motion in wheel shaft 1 fist portion, because steering swivel 2 is less with plane clearance in wheel shaft 1 fist portion, may dry friction be there is because two mating surfacess can not get proper lubrication and cause wearing and tearing, cause this gap to increase in vehicle uses, thus adverse effect is caused to steeraxle performance.All cut logical to the oilway on lining 3 in upper and lower end, in vehicle runs over, lubricating grease desaturation, below lining 3 end oilway and flow in gap, although two mating surfacess obtain lubrication, but because the grease flowed in this gap is too much, make the chip entered in this gap be attracted on grease, chip can enter stub 4 (or upper stub 5 ') and steering swivel 2 junction.Along with vehicle dynamic uses the increase of intermediate gap, then cause the wearing and tearing that stub 4 (or upper stub 5 ') is joining position with steering swivel 2 to increase, equally also can cause adverse effect to steeraxle performance, lubricating grease also can be caused to run off.
Summary of the invention
The present invention aims to provide a kind of steeraxle and has its vehicle, to reach the too much object of friction face grease in steering swivel and the wheel shaft fist portion preventing the steeraxle with the lining that upper incision is led to.
To achieve these goals, the invention provides a kind of steeraxle, comprise wheel shaft, steering swivel, the fist portion of the ear and wheel shaft that wear steering swivel is with the stub be connected with steering swivel by wheel shaft, and the lining be arranged between stub and the pin-and-hole coordinated with stub of ear, lining upper, bottom is all cut logical, the periphery of stub is provided with flange, flange is between the fist portion and the corresponding end-faces of lining of wheel shaft, steeraxle also comprises the sealing arrangement be arranged between the outer peripheral face of flange and pin-and-hole, and, flange comprises the through hole of two axial ends of axis this flange through along flange.
Further, the outer peripheral face of flange comprises annular groove, and sealing arrangement comprises the O RunddichtringO be arranged in annular groove.
Further, flange surface is provided with to the axial end in the fist portion of wheel shaft the breach be communicated with corresponding through hole.
Further, breach is arranged along the radial total length of flange.
Further, through hole is the manhole arranged along the axis of flange, and breach is circular arc along the cross sectional shape of the axis of flange, and wherein, the radius of circular arc is greater than the radius of manhole.
Further, flange is provided with 2 to 3 through holes.
Present invention also offers a kind of vehicle, have steeraxle, steeraxle is aforesaid steeraxle.
Apply technical scheme of the present invention, stub arranges flange, and sealing arrangement is set between the pin-and-hole of the ear of flange outer peripheral face and steeraxle, the grease of lubrication stub is sealed, prevents grease from too much flowing in the gap between steering swivel and wheel shaft along the oil groove that lining is offered.Reduce and enter in this gap and the chip be attracted on grease, and then reduce the wearing and tearing of stub between steering swivel.
Further, flange arranges the through hole of through two axial ends, the through hole of moderate lubrication fat on flange enters the end face relative with the fist portion of wheel shaft of flange, lubricates steering swivel and wheel shaft two mating surfaces.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the steeraxle of integrated main latch structure in prior art;
Fig. 2 is the structural representation of the steeraxle of sectional type stub structure in prior art;
Fig. 3 is the structural representation according to the steeraxle in the embodiment of the present invention;
Fig. 4 is the structural representation of the stub according to the steeraxle in the embodiment of the present invention;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is the A-A direction cutaway view of Fig. 4.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 3 and Figure 4, according to the steeraxle in the embodiment of the present invention, comprise wheel shaft 11, steering swivel 12, wear the ear of steering swivel 12 with the fist portion of wheel shaft 11 with the stub 14 be connected with steering swivel 12 by wheel shaft 11, and the lining 13 be arranged between stub 14 and the pin-and-hole coordinated with stub 14 of corresponding ear, the upper and lower end of lining 13 is all cut logical.The periphery of stub 14 is provided with flange 141, flange 141 is between the fist portion and the corresponding end-faces of lining 13 of wheel shaft 11, steeraxle also comprises the sealing arrangement between outer peripheral face and pin-and-hole being arranged at flange 141, further, flange 141 comprises the through hole 143 of two axial ends of axis this flange 141 through along flange 141.The inwall of described lining 13 offers oil groove, wherein, cutting of mentioning in the present invention logical refers to out that the oil groove on lining inwall extends to corresponding end, upper end as lining 13 is cut to lead to and is referred to that oil groove extends to upper end and is communicated with end face, and the bottom of lining 13 is cut to lead to and referred to that oil groove extends to bottom and is communicated with end face.Further, the outer peripheral face of flange 141 comprises annular groove 142.Sealing arrangement comprises the O RunddichtringO 15 be arranged in annular groove 142.
On steering swivel 12, the lubrication of ear position stub 14 injects grease by the oil nozzle be arranged on steering swivel 12 or on its annex, enters in lining 13 lubricate stub 14 through lining 13 upper surface along oil groove.O RunddichtringO 15 is arranged in annular groove 142, grease on stub 14 is sealed, in the gap preventing grease from too much flowing on steering swivel 12 between ear and wheel shaft 11, reduce and enter in this gap and the chip be attracted on grease, and then reduce the wearing and tearing of stub between steering swivel.
As shown in Figures 4 to 6, flange 141 also comprises the through hole 143 of two axial ends of axis this flange 141 through along flange 141.Further, the axial end in the fist portion towards wheel shaft 11 of flange 141 is provided with the breach 144 be communicated with corresponding through hole 143.Breach 144 is preferably arranged along the radial total length of flange 141.Through hole 143 in the present embodiment is 2 to 3 manholes arranged along the axis of flange 141.The cross sectional shape of the axis along flange 141 of breach 144 is circular arc.Wherein, the radius of circular arc is preferably more than the radius of manhole.When grease flow is on flange 141, the through hole 143 of moderate lubrication fat on flange 141 enters in the breach 144 of the axial end on the downside of flange 141, because arc radius is greater than manhole radius, therefore grease better can lubricate steering swivel 12 and wheel shaft 11 liang of mating surfacess, can reduce or eliminate the adverse effect because dry friction causes.In addition, flange 141 arranges the breach 144 on through hole 143 and correspondence position, lining 13 and the air in stub 14 can also be discharged, reduce the impact on steeraxle.
It should be noted that, the stub structure in the present embodiment is applicable to be with the steeraxle driven and not with driving, and diagram gap △ is by the accuracy guarantee of each part.
Present invention also offers a kind of vehicle, there is above-mentioned steeraxle.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: between the pin-and-hole of the ear of stub flange outer peripheral face and steeraxle, arrange sealing arrangement, stub grease is sealed, prevents grease from too much flowing in the gap between steering swivel and wheel shaft along the oil groove that lining is offered.Reduce and enter in this gap and the chip be attracted on grease, and then reduce the wearing and tearing of stub between steering swivel.
Further, flange arranges the through hole of through two axial ends, the through hole of moderate lubrication fat on flange enters flange lower surface, lubricates, can reduce or eliminate the adverse effect because dry friction causes to steering swivel and wheel shaft two mating surfaces.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a steeraxle, comprise wheel shaft (11), steering swivel (12), wear the ear of described steering swivel (12) with the fist portion of described wheel shaft (11) with the stub (14) be connected with steering swivel (12) by described wheel shaft (11), and the lining (13) be arranged between described stub (14) and the pin-and-hole coordinated with described stub (14) of described ear, described lining (13) upper, bottom is all cut logical, it is characterized in that, the periphery of described stub (14) is provided with flange (141), described flange (141) is positioned between the fist portion of described wheel shaft (11) and the corresponding end-faces of described lining (13), described steeraxle also comprises the sealing arrangement between outer peripheral face and described pin-and-hole being arranged at described flange (141), and, described flange (141) comprises the through hole (143) of two axial ends of through this flange (141) of axis along flange (141), described flange (141) is provided with towards the axial end in the fist portion of described wheel shaft (11) breach (144) be communicated with corresponding described through hole (143), described breach (144) is arranged along the radial total length of described flange (141).
2. steeraxle according to claim 1, it is characterized in that, the outer peripheral face of described flange (141) comprises annular groove (142), and described sealing arrangement comprises the O RunddichtringO (15) be arranged in described annular groove (142).
3. steeraxle according to claim 1, it is characterized in that, described through hole (143) is the manhole arranged along the axis of described flange (141), described breach (144) is circular arc along the cross sectional shape of the axis of described flange (141), wherein, the radius of described circular arc is greater than the radius of described manhole.
4. steeraxle according to claim 1, is characterized in that, described flange (141) is provided with 2 to 3 described through holes (143).
5. a vehicle, has steeraxle, it is characterized in that, described steeraxle is steeraxle according to any one of claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351596.0A CN102837738B (en) | 2012-09-20 | 2012-09-20 | Steering axle and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351596.0A CN102837738B (en) | 2012-09-20 | 2012-09-20 | Steering axle and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102837738A CN102837738A (en) | 2012-12-26 |
| CN102837738B true CN102837738B (en) | 2015-07-08 |
Family
ID=47365527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210351596.0A Active CN102837738B (en) | 2012-09-20 | 2012-09-20 | Steering axle and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102837738B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438259A (en) * | 2014-08-28 | 2016-03-30 | 陕西汉德车桥有限公司 | Steering driving axle steering mechanism, mounting method and steering driving axle |
| CN113844537B (en) * | 2021-11-16 | 2022-11-01 | 浙江吉利控股集团有限公司 | Knuckle assembly and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US534388A (en) * | 1895-02-19 | Piston-rod packing | ||
| US4613141A (en) * | 1984-12-22 | 1986-09-23 | M.A.N. Maschinenfabrik Augsburg-Nurnberg Ag | Hydrostatic and hydrodynamic seal for rotating a rotating shaft |
| US5056758A (en) * | 1990-05-11 | 1991-10-15 | Bramblet John W | Valve stem packing structure |
| US5493951A (en) * | 1994-05-05 | 1996-02-27 | Harrison; Curtis W. | Lubrication and seal ring assembly for pump |
| CN202264817U (en) * | 2011-09-22 | 2012-06-06 | 徐州美驰车桥有限公司 | Axle steering structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2748566B1 (en) * | 1996-05-10 | 1998-07-03 | H & Valves | SAMPLE TAKING DEVICE ON A PIPELINE |
| SE509137C2 (en) * | 1997-04-10 | 1998-12-07 | Volvo Lastvagnar Ab | Wheel suspension for a non-driven steerable vehicle wheel |
| US6113118A (en) * | 1998-09-30 | 2000-09-05 | Dana Corporation | Closed cell foam insert for a king pin/knuckle arm assembly |
| DE10150228C5 (en) * | 2001-10-11 | 2008-09-18 | Daimler Ag | Front axle of a motor vehicle with steerable, driven or non-driven wheels |
| US20040262874A1 (en) * | 2003-06-24 | 2004-12-30 | Mikel Lorente | Steering knuckle sealant compressible shim |
-
2012
- 2012-09-20 CN CN201210351596.0A patent/CN102837738B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US534388A (en) * | 1895-02-19 | Piston-rod packing | ||
| US4613141A (en) * | 1984-12-22 | 1986-09-23 | M.A.N. Maschinenfabrik Augsburg-Nurnberg Ag | Hydrostatic and hydrodynamic seal for rotating a rotating shaft |
| US5056758A (en) * | 1990-05-11 | 1991-10-15 | Bramblet John W | Valve stem packing structure |
| US5493951A (en) * | 1994-05-05 | 1996-02-27 | Harrison; Curtis W. | Lubrication and seal ring assembly for pump |
| CN202264817U (en) * | 2011-09-22 | 2012-06-06 | 徐州美驰车桥有限公司 | Axle steering structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102837738A (en) | 2012-12-26 |
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