CN103465961A - Power steering gear tie rod - Google Patents
Power steering gear tie rod Download PDFInfo
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- CN103465961A CN103465961A CN2013101213049A CN201310121304A CN103465961A CN 103465961 A CN103465961 A CN 103465961A CN 2013101213049 A CN2013101213049 A CN 2013101213049A CN 201310121304 A CN201310121304 A CN 201310121304A CN 103465961 A CN103465961 A CN 103465961A
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- intermediate rod
- annular
- projection
- power steering
- interior
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Abstract
The invention discloses a power steering gear tie rod, which can prolong the failure time of the power steering gear tie rod when a splicing position between an inner tie rod and an outer tie rod has a fatigue crack, and can prompt the fatigue crack to a driver through reducing the sensitivity of the steering gear. The power steering gear tie rod is formed by splicing the inner tie rod and the outer tie rod, wherein one of the inner tie rod and the outer tie rod is provided with a circular blocking lug, and the other of the inner tie rod and the outer tie rod is provided with a pair of supporting arms which are distributed at the two opposite sides of the tie rod and extend towards the direction of the other tie rod; the supporting arms are distributed at the two opposite sides of the circular blocking lug, the positions at the two ends of the circular blocking lug between the two supporting arms and are respectively provided with a blocking frame, the positions positioned at the inner side of the end surface of the circular blocking lug on the two blocking frames are respectively provided with a blocking rod, the two blocking rods at the same blocking frame are distributed at two the opposite sides of the tie rod of the circular blocking lug, and a gap is formed between each blocking rod and the end surface of the circular blocking lug.
Description
Technical field
The present invention relates to a kind of automobile component, be specifically related to a kind ofly by the splicing of interior intermediate rod and outer intermediate rod, form the power steering intermediate rod.
Background technology
The power steering intermediate rod is the vital parts of the steering swivel system of automobile, and under the automobile normal operating condition, the power steering intermediate rod mainly is subject to pressure.Current power steering intermediate rod mainly contains following two kinds of structures, a kind of power steering intermediate rod structure that is formed in one wherein, and another kind of power steering intermediate rod is comprised of interior intermediate rod and the splicing of outer intermediate rod.The power steering intermediate rod formed by the splicing of interior intermediate rod and outer intermediate rod run into interior intermediate rod or outside intermediate rod when damaged (being generally that interior intermediate rod is damaged), can change separately interior intermediate rod or outer intermediate rod gets final product, in especially splicing by screw thread, intermediate rod and outer intermediate rod can also be finely tuned the total length of this power steering intermediate rod; But the power steering intermediate rod that this class is comprised of interior intermediate rod and the splicing of outer intermediate rod, the structural strength at the splicing position in it between intermediate rod and outer intermediate rod a little less than, when power steering, when being subject to from wheel greater impact power, the splicing position between interior intermediate rod and outer intermediate rod easily produces stress and concentrates and flexural deformation; Distortion during due to initial deformation is little less on the motor turning impact, and chaufeur is difficult for discovering; But, in During Process of Long-term Operation subsequently, fracture by fatigue easily occurs in this deformation position; Once the fracture of power steering intermediate rod, cause the power steering intermediate rod to lose efficacy and can produce great potential safety hazard.
Summary of the invention
The objective of the invention is existingly by the splicing of interior intermediate rod and outer intermediate rod, to form the power steering intermediate rod in order to overcome, fracture by fatigue easily occurs in the splicing position in it between intermediate rod and outer intermediate rod in During Process of Long-term Operation, cause the power steering intermediate rod to lose efficacy, produce the problem of great potential safety hazard, a kind of power steering intermediate rod is provided, can extend the out-of-service time of power steering intermediate rod after fracture by fatigue occurs the splicing position between interior intermediate rod and outer intermediate rod, and by reduce the deflector steering sensitivity to chaufeur with prompting, thereby actv. improves the potential safety hazard caused after the fracture of power steering intermediate rod.
Technical scheme of the present invention is:
A kind of power steering intermediate rod, by interior intermediate rod and the splicing of outer intermediate rod, formed, on an intermediate rod in described interior intermediate rod and outer intermediate rod, be provided with annular near the splicing position of interior intermediate rod and outer intermediate rod and stop projection, another intermediate rod is provided with and a pair ofly is distributed in the relative both sides of intermediate rod, and toward the supporting arm of another intermediate rod direction extension; Described two supporting arms are distributed in the relative both sides that annular stops projection, between two supporting arms, be positioned at annular and stop that the projection two ends are respectively equipped with divider, on two dividers, be positioned at annular and stop that projection end face inboard has respectively a pair of pin, and two pins on same divider are distributed in the relative both sides that annular stops projection place intermediate rod, each pin and annular stop between the projection end face and are provided with gap.
Stop projection because the intermediate rod in interior intermediate rod and outer intermediate rod is provided with annular, another intermediate rod is provided with a pair of supporting arm, and between two supporting arms, be positioned at annular and stop that the projection two ends are respectively equipped with divider; After fracture by fatigue occurs in the splicing position between interior intermediate rod and outer intermediate rod, can by annular stop two pins, divider and supporting arm on projection, divider between interior intermediate rod and outer intermediate rod, set up a temporary transient connection structure make steering procedure in the suffered pressure of intermediate rod can continue to transmit, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents; Simultaneously because the pin on divider and annular stop between the projection end face, be provided with gap, it has reduced the deflector steering sensitivity, makes chaufeur can discover steering swivel system and breaks down.The power steering intermediate rod of this programme is after fracture by fatigue occurs in the splicing position between interior intermediate rod and outer intermediate rod, not only can give chaufeur with prompting, simultaneously all right actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents, but thereby actv. improve the potential safety hazard caused after the fracture of power steering intermediate rod.
As preferably, on interior intermediate rod, in annular, stop between projection and supporting arm root and be provided with the weakening strength structure, the structural strength of the interior intermediate rod at this weakening strength structure place is less than the interior intermediate rod of annular beyond stopping between projection and supporting arm root and the structural strength of outer intermediate rod.
This programme structure, when guaranteeing power steering intermediate rod overall construction intensity, stops on the interior intermediate rod between projection and supporting arm root the weakening strength structure is set in annular; Make the deformation of intermediate rod in During Process of Long-term Operation and the position of fracture by fatigue at first occur in weakening strength structure place; So further actv. guarantees after fracture by fatigue is occurring the power steering intermediate rod, not only can give chaufeur with prompting, simultaneously all right actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents, and then actv. improves the potential safety hazard caused after the fracture of power steering intermediate rod.
As preferably, the weakening strength structure is circular groove or breach or ledge structure.
As preferably, two pins on same divider stop that with annular the spacing between the projection end face is identical, and this spacing is set between 1 to 3.5 millimeter.Pin and annular stop that the spacing between the projection end face can not be excessive or too small, after fracture by fatigue occurs in the splicing position between interior intermediate rod and outer intermediate rod, if pin and annular stop that the spacing between the projection end face is too small, deflector steering sensitivity changes not obvious being difficult to chaufeur with prompting; If pin and annular stop that the spacing between the projection end face is excessive, the suffered pressure of intermediate rod is difficult to transmit; Thereby the pin of this programme and the annular stop that the spacing between the projection end face is set between 1 to 3.5 millimeter, after fracture by fatigue occurs in the splicing position between interior intermediate rod and outer intermediate rod, when giving chaufeur with prompting, guarantee that the suffered pressure of intermediate rod transmits smoothly, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents.
As preferably, splicing construction between interior intermediate rod and outer intermediate rod comprises the threaded connection hole be arranged on outer intermediate rod end face, be arranged on the outside thread of interior intermediate rod one end and be arranged on the pretension captive nut on this outside thread, the threaded connection hole of interior intermediate rod and outer intermediate rod is threaded connection, and described pretension captive nut is pressed on outer intermediate rod end face.Due to interior intermediate rod, by being threaded of screw thread and outer intermediate rod, thereby the total length of the power steering intermediate rod of this programme can be regulated; Simultaneously due to arranging of pretension captive nut, the structural strength of the power steering intermediate rod after can guaranteeing to regulate is stable, reliable.
As preferably, annular stops that projection is the nut that stops be arranged on the outside thread of interior intermediate rod, and this stops that nut and outer intermediate rod are positioned at the both sides of pretension captive nut.This programme annular stops that projection is set to the nut that stops on interior intermediate rod, and it is easy to make, quick for installation.
As preferably, stop that near annular two supporting arms of projection stop that with annular the intermediate rod at projection place parallels, described divider stops that with annular the projection end face parallels.
The invention has the beneficial effects as follows: after power steering intermediate rod generation fracture by fatigue, not only can give chaufeur with prompting, simultaneously all right actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents, but actv. improves the potential safety hazard caused after the fracture of power steering intermediate rod.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the embodiment of the present invention 1.
Fig. 2 is a kind of local structure schematic diagram of the embodiment of the present invention 1.
Fig. 3 be in Fig. 2 A to a kind of structural representation.
Fig. 4 is a kind of structural representation of the embodiment of the present invention 3.
In figure: interior intermediate rod 1, outer intermediate rod 2, supporting arm 3, pretension captive nut 4, annular stops projection 5, divider 6,61, pin 7, weakening strength structure 8.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of power steering intermediate rod, be comprised of interior intermediate rod 1 and 2 splicings of outer intermediate rod.Splicing construction between interior intermediate rod and outer intermediate rod comprises the threaded connection hole be arranged on outer intermediate rod 2 end faces, is arranged on the outside thread of interior intermediate rod 1 one ends and is arranged on the pretension captive nut 4 on this outside thread.Interior intermediate rod 1 is threaded connection with the threaded connection hole of outer intermediate rod 2.Pretension captive nut 4, by tightening, is pressed on outer intermediate rod 2 end faces its end.Splicing construction between above-mentioned interior intermediate rod and outer intermediate rod can also be by being welded to connect interior intermediate rod and outer intermediate rod.
On interior intermediate rod 1, be provided with annular near the splicing position of interior intermediate rod 1 and outer intermediate rod 2 and stop projection 5.This annular stops that projection 5 is for the nut that stops on the outside thread that is arranged on interior intermediate rod 1, and this stops that nut and outer intermediate rod 2 are positioned at the both sides of pretension captive nut 4.Be provided with on outer intermediate rod 2, near interior intermediate rod 1 and the splicing position of outer intermediate rod 2 and a pair ofly be distributed in the relative both sides of outer intermediate rod, and toward the supporting arm 3 of intermediate rod 1 direction extension in another.Two supporting arms 3 are distributed in the relative both sides that annular stops projection 5, and stop that near annular two supporting arms 3 of projection 5 parallel with interior intermediate rod 1.Between two supporting arms 3, be positioned at annular and stop that projection 5 rear and front ends are respectively equipped with divider 6,61, and divider stops that with annular the end face of projection 5 parallels.On two dividers 6,61, be positioned at annular and stop that projection 5 end face inboards have respectively a pair of pin 7, be specifically, two dividers 6,61 are comprised of the pin 7 of pair of parallel respectively, and stop that with annular the corresponding part pin of projection 5 end faces is positioned at the end face inboard that annular stops projection 5.Two pins 7 on same divider 6,61 are distributed in the relative both sides of interior intermediate rod 1.Each pin 7 and annular stop between projection 5 end faces and are provided with gap, and two pins on same divider stop that with annular the spacing between the projection end face is identical.Each pin 7 and annular stop that the spacing between projection 5 end faces is set to 2 millimeters.
As shown in Figure 2, on interior intermediate rod 1, in annular, stop between projection 5 and supporting arm 3 roots and be provided with weakening strength structure 8.Weakening strength structure 8 is circular groove or breach or ledge structure.The structural strength of the interior intermediate rod 1 at these weakening strength structure 8 places is less than the interior intermediate rod of annular beyond stopping between projection 5 and supporting arm 3 roots and the structural strength of outer intermediate rod.
As Fig. 1, shown in Fig. 2, after the interior intermediate rod 1 and the splicing position between outer intermediate rod 2 or weakening strength structure 8 places' generation fracture by fatigues of power steering intermediate rod of the present invention, annular in steering procedure on intermediate rod 1 stops that projection 5 will be resisted against on the pin 7 on divider, and then stop projection 5 by annular, pin 7 on divider, divider 6, 61 and supporting arm 3 between interior intermediate rod 1 and outer intermediate rod 2, set up a temporary transient connection structure make steering procedure in the suffered pressure of intermediate rod can continue to transmit, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides time of enough processing accidents.Simultaneously because the pin 7 on divider and annular stop between projection 5 end faces, be provided with gap, it has reduced the deflector steering sensitivity, makes chaufeur can discover steering swivel system and breaks down.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
On outer intermediate rod, be provided with annular near the splicing position of interior intermediate rod and outer intermediate rod and stop projection.Be provided with on interior intermediate rod, near interior intermediate rod and the splicing position of outer intermediate rod and a pair ofly relatively be distributed in the intermediate rod both sides, and toward the supporting arm of intermediate rod direction extension in addition.Two supporting arms are distributed in the relative both sides that annular stops projection, and stop that near annular two supporting arms of projection parallel with interior intermediate rod.
Embodiment 3: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 4, between two supporting arms 3, being positioned at annular stops that the projection two ends are respectively equipped with divider 6,61.On two dividers 6,61, be positioned at annular and stop that projection end face inboard has respectively a pair of pin 7, be specifically, two dividers 6,61, for two baffle plates and the baffle plate be parallel to each other stops that with annular projection 5 end faces are parallel, are provided with through hole in the middle part of baffle plate, and interior intermediate rod 1 is plugged in this through hole; A pair of pin on above-mentioned divider is the baffle plate of through hole both sides.
Claims (7)
1. a power steering intermediate rod, by interior intermediate rod (1) and outer intermediate rod (2) splicing, formed, it is characterized in that, on an intermediate rod in described interior intermediate rod and outer intermediate rod, be provided with annular near the splicing position of interior intermediate rod and outer intermediate rod and stop projection (5), another intermediate rod is provided with and a pair ofly is distributed in the relative both sides of intermediate rod, and toward the supporting arm (3) of another intermediate rod direction extension; Described two supporting arms are distributed in the relative both sides that annular stops projection (5), between two supporting arms (3), be positioned at annular and stop that projection (5) two ends are respectively equipped with divider (6,61), on two dividers, be positioned at annular and stop that projection end face inboard has respectively a pair of pin (7), and two pins (7) on same divider are distributed in the relative both sides that annular stops projection place intermediate rod, each pin and annular stop between the projection end face and are provided with gap.
2. a kind of power steering intermediate rod according to claim 1, it is characterized in that, described interior intermediate rod (7) is upper, be positioned at annular stops between projection (5) and supporting arm (3) root and is provided with weakening strength structure (8), and the structural strength of the interior intermediate rod at this weakening strength structure place is less than annular and stops between projection and supporting arm root interior intermediate rod in addition and the structural strength of outer intermediate rod.
3. a kind of power steering intermediate rod according to claim 2, is characterized in that, described weakening strength structure is circular groove or breach or ledge structure.
4. a kind of power steering intermediate rod according to claim 1, is characterized in that, two pins (7) on same divider stop that with annular the spacing between projection (5) end face is identical, and this spacing is set between 1 to 3.5 millimeter.
5. according to claim 1 or 2 or 3 described a kind of power steering intermediate rods, it is characterized in that, splicing construction between described interior intermediate rod (1) and outer intermediate rod (2) comprises the threaded connection hole be arranged on outer intermediate rod (2) end face, be arranged on the outside thread of interior intermediate rod (1) one end and be arranged on the pretension captive nut (4) on this outside thread, the threaded connection hole of interior intermediate rod and outer intermediate rod is threaded connection, and described pretension captive nut is pressed on outer intermediate rod end face.
6. a kind of power steering intermediate rod according to claim 5, is characterized in that, annular stops that projection is the nut that stops be arranged on the outside thread of interior intermediate rod, and this stops that nut and outer intermediate rod are positioned at the both sides of pretension captive nut.
7. according to claim 1 or 2 or 3 described a kind of power steering intermediate rods, it is characterized in that, stop that near annular two supporting arms of projection stop that with annular the intermediate rod at projection place parallels, described divider stops that with annular the projection end face parallels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121304.9A CN103465961B (en) | 2013-04-09 | 2013-04-09 | A kind of power steering intermediate rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121304.9A CN103465961B (en) | 2013-04-09 | 2013-04-09 | A kind of power steering intermediate rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103465961A true CN103465961A (en) | 2013-12-25 |
| CN103465961B CN103465961B (en) | 2015-11-18 |
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ID=49791070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310121304.9A Active CN103465961B (en) | 2013-04-09 | 2013-04-09 | A kind of power steering intermediate rod |
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| Country | Link |
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| CN (1) | CN103465961B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914769A (en) * | 2017-12-25 | 2018-04-17 | 上海龙创汽车设计股份有限公司 | A kind of novel carbon fiber track rod mechanism and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1982915A (en) * | 1932-10-29 | 1934-12-04 | Abbott B Jenks | Safety joint |
| US2757028A (en) * | 1948-12-30 | 1956-07-31 | Ehrenreich & Cie A | Steering rods for motor vehicles |
| GB1275207A (en) * | 1970-04-21 | 1972-05-24 | Automative Products Company Lt | Improvements in or relating to flexible connecting devices |
| US5044808A (en) * | 1988-08-17 | 1991-09-03 | Trw Ehrenreich Gmbh & Co. Kg | Steering rod for motor vehicles |
| CN202243647U (en) * | 2011-08-29 | 2012-05-30 | 比亚迪股份有限公司 | Steering cross pull rod |
-
2013
- 2013-04-09 CN CN201310121304.9A patent/CN103465961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1982915A (en) * | 1932-10-29 | 1934-12-04 | Abbott B Jenks | Safety joint |
| US2757028A (en) * | 1948-12-30 | 1956-07-31 | Ehrenreich & Cie A | Steering rods for motor vehicles |
| GB1275207A (en) * | 1970-04-21 | 1972-05-24 | Automative Products Company Lt | Improvements in or relating to flexible connecting devices |
| US5044808A (en) * | 1988-08-17 | 1991-09-03 | Trw Ehrenreich Gmbh & Co. Kg | Steering rod for motor vehicles |
| CN202243647U (en) * | 2011-08-29 | 2012-05-30 | 比亚迪股份有限公司 | Steering cross pull rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914769A (en) * | 2017-12-25 | 2018-04-17 | 上海龙创汽车设计股份有限公司 | A kind of novel carbon fiber track rod mechanism and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103465961B (en) | 2015-11-18 |
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