CN103465961B - A kind of power steering intermediate rod - Google Patents
A kind of power steering intermediate rod Download PDFInfo
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- CN103465961B CN103465961B CN201310121304.9A CN201310121304A CN103465961B CN 103465961 B CN103465961 B CN 103465961B CN 201310121304 A CN201310121304 A CN 201310121304A CN 103465961 B CN103465961 B CN 103465961B
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- intermediate rod
- annular
- projection
- power steering
- stop
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Abstract
The invention discloses a kind of power steering intermediate rod, aim to provide the out-of-service time that can extend power steering intermediate rod after fracture by fatigue occurs at a kind of splicing position between interior intermediate rod and outer intermediate rod, and by reducing deflector steering sensitivity to chaufeur with the power steering intermediate rod of prompting.It is spliced by interior intermediate rod and outer intermediate rod and forms, and the intermediate rod in interior intermediate rod and outer intermediate rod is provided with annular and stops projection, and another intermediate rod is provided with and is distributed in the relative both sides of intermediate rod for a pair and the supporting arm extended toward another intermediate rod direction; Described two supporting arms are distributed in the relative both sides that annular stops projection, between two supporting arms, be positioned at annular stop projection two ends be respectively equipped with divider, on two dividers, be positioned at annular and stop, inside projection end face, there is a pair pin respectively, 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 are provided with gap between projection end face.
Description
Technical field
The present invention relates to a kind of automobile component, be specifically related to a kind of splicing by interior intermediate rod and outer intermediate rod form power steering intermediate rod.
Background technology
Power steering intermediate rod is the vital parts of the steering swivel system of automobile, and under automobile normal operating condition, power steering intermediate rod is mainly by pressure.Current power steering intermediate rod mainly contains following two kinds of structures, and wherein a kind of power steering intermediate rod is formed in one structure, and another kind of power steering intermediate rod is spliced by interior intermediate rod and outer intermediate rod and forms.The power steering intermediate rod (under normal circumstances for interior intermediate rod is damaged) when running into interior intermediate rod or outer intermediate rod is damaged formed is spliced by interior intermediate rod and outer intermediate rod, interior intermediate rod or outer intermediate rod can be changed separately, the total length of this power steering intermediate rod can also be finely tuned especially by intermediate rod and outer intermediate rod in screw thread splicing; But this kind ofly splice by interior intermediate rod and outer intermediate rod the power steering intermediate rod formed, the structural strength at the splicing position in it between intermediate rod and outer intermediate rod is more weak, when power steering is 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; Because distortion during initial deformation is little less on motor turning impact, chaufeur is not easily discovered; But in During Process of Long-term Operation subsequently, easily there is fracture by fatigue in this deformation position; Once the fracture of power steering intermediate rod, cause power steering intermediate rod to lose efficacy and then can produce great potential safety hazard.
Summary of the invention
The object of the invention is to form power steering intermediate rod to overcome existing to be spliced by interior intermediate rod and outer intermediate rod, easily fracture by fatigue is there is in the splicing position in it between intermediate rod and outer intermediate rod in During Process of Long-term Operation, power steering intermediate rod is caused to lose efficacy, produce the problem of great potential safety hazard, a kind of power steering intermediate rod is provided, the out-of-service time of power steering intermediate rod can be extended after fracture by fatigue occurs at splicing position between interior intermediate rod and outer intermediate rod, and by reducing deflector steering sensitivity to chaufeur with prompting, thus the potential safety hazard that actv. causes after improving the fracture of power steering intermediate rod.
Technical scheme of the present invention is:
A kind of power steering intermediate rod, spliced by interior intermediate rod and outer intermediate rod and form, on an intermediate rod in described interior intermediate rod and outer intermediate rod, be provided with annular stop projection near interior intermediate rod and the splicing position of outer intermediate rod, another intermediate rod is provided with and is distributed in the relative both sides of intermediate rod for a pair and the supporting arm of another intermediate rod direction past extension; Described two supporting arms are distributed in the relative both sides that annular stops projection, between two supporting arms, be positioned at annular stop projection two ends be respectively equipped with divider, on two dividers, be positioned at annular and stop, inside projection end face, there is a pair pin respectively, 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 are provided with gap between projection end face.
Due to the intermediate rod in interior intermediate rod and outer intermediate rod be provided with annular stop projection, another intermediate rod is provided with a pair supporting arm, and between two supporting arms, be positioned at annular stop projection two ends be respectively equipped with divider; After there is fracture by fatigue in the splicing position between interior intermediate rod and outer intermediate rod, projection can be stopped by annular, two pins, divider and supporting arm on divider set up a temporary transient connection structure between interior intermediate rod and outer intermediate rod enables pressure suffered by intermediate rod in steering procedure continue to transmit, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides the time of enough accident settlement; Be provided with gap because the pin on divider and annular stop between projection end face simultaneously, which reduce deflector steering sensitivity, enable chaufeur discover steering swivel system and break down.After there is fracture by fatigue in the splicing position of power steering intermediate rod between interior intermediate rod and outer intermediate rod of this programme, chaufeur not only can be given with prompting, all right actv. extends the out-of-service time of power steering intermediate rod simultaneously, for chaufeur provides the time of enough accident settlement, thus the potential safety hazard caused after power steering intermediate rod ruptures can be improved by actv..
As preferably, stop on interior intermediate rod, in annular and be provided with weakening strength structure between projection and supporting arm root, the structural strength of the interior intermediate rod at this weakening strength structure place is less than the annular structural strength stopping the interior intermediate rod beyond between projection and supporting arm root and outer intermediate rod.
This programme structure, while guarantee power steering intermediate rod overall construction intensity, stops between projection and supporting arm root in annular and intermediate rod arranges weakening strength structure; The position of the deformation of intermediate rod in During Process of Long-term Operation and fracture by fatigue is made first to occur in weakening strength structure place; Can ensure when power steering intermediate rod is after generation fracture by fatigue by actv. further like this, chaufeur not only can be given with prompting, all right actv. extends the out-of-service time of power steering intermediate rod simultaneously, for chaufeur provides the time of enough accident settlement, and then actv. improves the potential safety hazard caused after power steering intermediate rod ruptures.
As preferably, weakening strength structure is circular groove or breach or ledge structure.
As preferably, with annular, two pins on same divider stop that the spacing between projection end face is identical, and this spacing is set between 1 to 3.5 millimeter.Pin and annular stop that the spacing between projection end face can not be excessive or too small, after there is fracture by fatigue in the splicing position between interior intermediate rod and outer intermediate rod, if pin and annular stop that the spacing between projection end face is too small, then deflector steering sensitivity change is not obvious to be difficult to chaufeur with prompting; If pin and annular stop that the spacing between projection end face is excessive, then pressure suffered by intermediate rod is difficult to transmit; Thus this programme pin and annular stop that the spacing between projection end face is set between 1 to 3.5 millimeter, after there is fracture by fatigue in the splicing position between interior intermediate rod and outer intermediate rod, while giving chaufeur with prompting, ensure that suffered by intermediate rod, pressure transmits smoothly, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides the time of enough accident settlement.
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, the outside thread being arranged on interior intermediate rod one end and the pretension captive nut be arranged 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 being threaded by screw thread and outer intermediate rod, thus the total length of the power steering intermediate rod of this programme can regulate; Simultaneously because arranging of pretension captive nut can ensure that the structural strength of the power steering intermediate rod after regulating is stable, reliable.
As preferably, annular stops that projection is the stop nut be arranged on the outside thread of interior intermediate rod, and this stop nut and outer intermediate rod are positioned at the both sides of pretension captive nut.Annular is stopped that projection is set to the stop nut on interior intermediate rod by this programme, and it is easy to make, quick for installation.
As preferably, stop with annular, two supporting arms of projection stop that the intermediate rod at projection place parallels near annular, with annular, described divider stops that projection end face parallels.
The invention has the beneficial effects as follows: when after power steering intermediate rod generation fracture by fatigue, chaufeur not only can be given with prompting, all right actv. extends the out-of-service time of power steering intermediate rod simultaneously, for chaufeur provides the time of enough accident settlement, the potential safety hazard caused after power steering intermediate rod ruptures can be improved by actv..
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.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, 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, is spliced by interior intermediate rod 1 and outer intermediate rod 2 and forms.Splicing construction between interior intermediate rod and outer intermediate rod comprises the threaded connection hole be arranged on outer intermediate rod 2 end face, the outside thread being arranged on interior intermediate rod 1 one end and the pretension captive nut 4 be arranged 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, makes its end be pressed on outer intermediate rod 2 end face.Splicing construction between above-mentioned interior intermediate rod and outer intermediate rod can also by being welded to connect interior intermediate rod and outer intermediate rod.
On interior intermediate rod 1, be provided with annular near interior intermediate rod 1 and the splicing position of outer intermediate rod 2 and stop projection 5.This annular stops that projection 5 is for being arranged on the stop nut on the outside thread of interior intermediate rod 1, and this stop 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 be distributed in the relative both sides of outer intermediate rod for a pair and the supporting arm 3 extended toward another interior intermediate rod 1 direction.Two supporting arms 3 are distributed in the relative both sides that annular stops projection 5, and stop that two supporting arms 3 of projection 5 parallel with interior intermediate rod 1 near annular.Between two supporting arms 3, be positioned at annular and stop that projection 5 rear and front end is respectively equipped with divider 6,61, and with annular, divider stops that the end face of projection 5 parallels.On two dividers 6,61, be positioned at annular and stop, inside projection 5 end face, there is a pair pin 7 respectively, be specifically, two dividers 6,61 are made up of pair of parallel pin 7 respectively, and stop that the corresponding part pin of projection 5 end face is positioned at annular and stops inside the end face of projection 5 with annular.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 are provided with gap between projection 5 end face, and with annular, two pins on same divider stop that the spacing between projection end face is identical.Each pin 7 and annular stop that the spacing between projection 5 end face is set to 2 millimeters.
As shown in Figure 2, weakening strength structure 8 is provided with on interior intermediate rod 1, between annular stop projection 5 and supporting arm 3 root.Weakening strength structure 8 is circular groove or breach or ledge structure.The structural strength of the interior intermediate rod 1 at this weakening strength structure 8 place is less than the annular structural strength stopping the interior intermediate rod beyond between projection 5 and supporting arm 3 root and outer intermediate rod.
As Fig. 1, shown in Fig. 2, after there is fracture by fatigue in the splicing position in power steering intermediate rod of the present invention between intermediate rod 1 and outer intermediate rod 2 or weakening strength structure 8 place, annular in steering procedure on intermediate rod 1 stops that projection 5 is by the pin 7 that is resisted against 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 enable pressure suffered by intermediate rod in steering procedure continue to transmit, actv. extends the out-of-service time of power steering intermediate rod, for chaufeur provides the time of enough accident settlement.Be provided with gap because the pin 7 on divider and annular stop between projection 5 end face simultaneously, which reduce deflector steering sensitivity, enable chaufeur discover steering swivel system and break down.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
Be provided with on outer intermediate rod, near the splicing position of interior intermediate rod and outer intermediate rod and annularly stop projection.A pair Relative distribution is provided with in intermediate rod both sides and the supporting arm that extends of past other intermediate rod direction on interior intermediate rod, near the splicing position of interior intermediate rod and outer intermediate rod.Two supporting arms are distributed in the relative both sides that annular stops projection, and stop that two supporting arms of projection parallel with interior intermediate rod near annular.
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, be positioned at annular and stop that projection two ends are respectively equipped with divider 6,61.On two dividers 6,61, be positioned at annular and stop, inside projection end face, there is a pair pin 7 respectively, be specifically, two dividers 6,61 are for two pieces of baffle plates being parallel to each other and with annular, baffle plate stops that projection 5 end face is parallel, and be provided with through hole in the middle part of baffle plate, interior intermediate rod 1 is plugged in this through hole; A pair pin on above-mentioned divider is the baffle plate of through hole both sides.
Claims (7)
1. a power steering intermediate rod, spliced by interior intermediate rod (1) and outer intermediate rod (2) and form, it is characterized in that, on an intermediate rod in described interior intermediate rod and outer intermediate rod, be provided with annular stop projection (5) near interior intermediate rod and the splicing position of outer intermediate rod, another intermediate rod is provided with and is distributed in the relative both sides of intermediate rod for a pair and the supporting arm (3) of another intermediate rod direction past 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 stop projection (5) two ends be respectively equipped with divider (6,61), on two dividers, be positioned at annular and stop, inside projection end face, there is a pair pin (7) respectively, 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 are provided with gap between projection end face.
2. a kind of power steering intermediate rod according to claim 1, it is characterized in that, described interior intermediate rod (1) is upper, be positioned at annular stops and is provided with weakening strength structure (8) between projection (5) and supporting arm (3) root, and the structural strength of the interior intermediate rod at this weakening strength structure place is less than the structural strength of interior intermediate rod beyond between annular stop projection and supporting arm root and 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, with annular, two pins (7) on same divider stop that the spacing between projection (5) end face is identical, and this spacing is set between 1 to 3.5 millimeter.
5. a kind of power steering intermediate rod according to claim 1 or 2 or 3, 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, the outside thread being arranged on interior intermediate rod (1) one end and the pretension captive nut (4) be arranged 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 stop nut be arranged on the outside thread of interior intermediate rod, and this stop nut and outer intermediate rod are positioned at the both sides of pretension captive nut.
7. a kind of power steering intermediate rod according to claim 1 or 2 or 3, is characterized in that, stop with annular, two supporting arms of projection stop that the intermediate rod at projection place parallels near annular, with annular, described divider stops that 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 CN103465961A (en) | 2013-12-25 |
| CN103465961B true CN103465961B (en) | 2015-11-18 |
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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) |
Families Citing this family (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 |
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| Publication number | Publication date |
|---|---|
| CN103465961A (en) | 2013-12-25 |
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