CN104843064B - A kind of track rod - Google Patents
A kind of track rod Download PDFInfo
- Publication number
- CN104843064B CN104843064B CN201510270295.9A CN201510270295A CN104843064B CN 104843064 B CN104843064 B CN 104843064B CN 201510270295 A CN201510270295 A CN 201510270295A CN 104843064 B CN104843064 B CN 104843064B
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- CN
- China
- Prior art keywords
- chi
- thread segment
- main
- bar body
- main set
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Classifications
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- 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
- B62D7/20—Links, e.g. track rods
Abstract
The invention provides a kind of track rod, including bar body, locking nut and pull bar ball pin, one end of bar body has thread segment, also includes：Main set chi, is adapted with the thread segment of bar body, and is set in the outside of thread segment, and the axial length of the axial length less than thread segment of main set chi, main set chi is provided with the master calibration section of main scale mark including outer surface；Secondary case chi, is adapted, and be set in the outside of master calibration section with main set chi.Master calibration section is provided with the main set chi of the track rod that the present invention is provided, the length value of the part that the thread segment that can obtain bar body by the aligned position of the main scale mark on secondary case chi and master calibration section does not coordinate with pull bar ball pin, this track rod is not required to professional and professional tool just can be adjusted to toe-in of front wheel, easy to use.
Description
Technical field
The present invention relates to automobile steering system, more particularly to a kind of track rod.
Background technology
In order to ensure automobile steering roller come up against external force (such as running into stone) effect deflect when, external force disappear
The position of straight-line travelling can be immediately returned to afterwards, and deflecting roller there should be automatic aligning function, and this automatic aligning function is by regulation
The positional parameter of deflecting roller realizes that toe-in of front wheel is the one kind in above-mentioned positional parameter.
Toe-in of front wheel refers to the range difference of front-wheel front end face and rear end face in vehicle transverse direction, and toe-in of front wheel is set not
When it is abnormal to be easily caused automobile automatic aligning function, and causes front tyre eccentric wear, reduces tyre life.Toe-in of front wheel needs
Periodic adjustment, can generally be directly realized by the regulation of toe-in of front wheel by the adjustment of steering linkage.
Steering linkage is the strength member in automotive steering structure, it directly affect automobile operation stability, operation
The service life of security and tire, steering linkage can be divided into steering drag link and track rod, wherein, track rod is
Ensure that left and right turn wheel produces the critical component of proper exercise relation.As shown in fig. 1, track rod includes bar body
1', locking nut 2' and pull bar ball pin 3', draw one end of this body 1' to set the bulb being engaged with steering system, another
End is provided with external screw thread, and pull bar ball pin 3' has the internal thread being engaged with the external screw thread of bar body 1', and locking nut 2' is used
The length that screw thread between steady brace body 1' and pull bar ball pin 3' coordinates.
The length coordinated by the screw thread between adjusting yoke body 1' and pull bar ball pin 3', you can realize track rod
Length regulation, and then realize the regulation of toe-in of front wheel.
Due to track rod, length can change after automobile is travelled for a long time, and existing track rod cannot be straight
Connect and read previous track rod length value, the numerical value of length adjustment cannot be also directly read during length adjustment,
And must be read by professional tool by professional, therefore the regulation of toe-in of front wheel is wasted time and energy, it is relatively complicated.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of readable track rod for taking out length adjustment value.
In order to solve the above technical problems, the track rod that the present invention is provided includes bar body, locking nut and pull bar
Ball pin, one end of the bar body has thread segment, also includes：
Main set chi, the thread segment with the bar body is adapted, and is set in the outside of the thread segment, the main set
The axial length of chi is less than the axial length of the thread segment, and the main set chi is provided with the main quarter of main scale mark including outer surface
Degree section；
Secondary case chi, is adapted, and be set in the outside of the master calibration section with the main set chi.
Preferably, the thread segment interference fit of the main set chi and the bar body, the secondary case chi and the main set
Chi interference fit.
It is highly preferred that it is described it is main set chi and the bar body between the magnitude of interference be 0.1-0.2mm, the secondary case chi with
The magnitude of interference between the main set chi is 0.03-0.05mm.
Preferably, the main scale mark uniform ring is set around master calibration section.
Preferably, the secondary case chi is provided with the secondary scale section of subscale mark and through the secondary scale section including outer surface
Gap.
It is highly preferred that the subscale mark uniform ring is set around the secondary scale section.
Preferably, the bottom of the thread segment is provided with hoop boss downwardly, and the main set chi is connected with the hoop boss downwardly；
The secondary case chi is connected with the locking nut.
It is highly preferred that also including helical spring, described helical spring one end offsets with the hoop boss downwardly, the other end and institute
Locking nut is stated to offset.
It is highly preferred that being provided with the bullet for positioning the helical spring on the hoop boss downwardly and the locking nut
Spring groove.
It is highly preferred that the secondary case chi coordinates with the main set chi gap.
Master calibration section is provided with the main set chi of the track rod that the present invention is provided, by secondary case chi and master calibration section
The aligned position of main scale mark can obtain the initial length value of the part that the thread segment of bar body does not coordinate with pull bar ball pin,
Unscrew locking nut again, adjust the thread segment of bar body and the length of pull bar ball pin mating part, and by secondary case chi and master
The aligned position of the main scale mark in scale section reads the tune of the part that the thread segment of bar body does not coordinate with pull bar ball pin
Section length value, the difference between adjustment length value and initial length value is the length adjustment value of track rod, this steering
Drag link is not required to professional and professional tool just can be adjusted to toe-in of front wheel, easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of existing track rod；
Fig. 2 is the structural representation of track rod embodiment of the invention；
Fig. 3 is the partial enlarged drawing of Fig. 2；
Fig. 4 is the explosive view of track rod embodiment of the invention.
Indicated in figure as follows：
Bar body -1', locking nut -2', pull bar ball pin -3', bar body -1, thread segment -11, hoop boss downwardly -12,
Locking nut -2, pull bar ball pin -3, main set chi -4, master calibration section -41, main scale mark -411, secondary case chi -5, secondary scale section -51,
Subscale mark -511, gap -52, helical spring -6.
Specific embodiment
To enable above-mentioned purpose, the feature and advantage of invention more obvious understandable, below to specific implementation of the invention
Mode is described in detail.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
Other manner described here is different from using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in Figures 2 to 4, the invention provides a kind of track rod, including bar body 1, locking nut 2 and drawing
Bar ball pin 3, one end of the bar body 1 has thread segment 11, it will be apparent to those skilled in the art that above-mentioned thread segment 11
Outer surface is provided with the external screw thread being engaged with the internal thread of pull bar ball pin 3, and bar body 1 and pull bar ball pin 3 pass through internal thread
It is connected with external screw thread, and is further fixed by locking nut 2；Also include：
Main set chi 4, is adapted with the thread segment 11 of the bar body 1, and is set in the outside of the thread segment 11, institute
The axial length of the axial length less than the thread segment 11 of main set chi 4 is stated, the main set chi 4 is provided with main quarter including outer surface
The master calibration section 41 of line 411 is spent, above-mentioned main scale mark 411 can be set according to actual demand, for example, be uniformly arranged on master calibration section
Toroid on 41 or the graduation mark with Digital ID；
Secondary case chi 5, is adapted, and be set in the outside of the master calibration section 41 with the main set chi 4.
Track rod of the invention when in use, first aligns to read by secondary case chi 5 with the main scale mark 411 of main set chi 4
Take length value (the initial length value l of the part that a thread segment for bar body 1 11 does not coordinate with pull bar ball pin 30), due to drawing
The length of itself of bar body 1 and pull bar ball pin 3 is certain value, therefore those skilled in the art are by above-mentioned initial length value l0
Length with bar body 1 and pull bar ball pin 3 can draw the initial length value L of track rod0；
Then locking nut 2 is unscrewed, now the screw thread cooperation between the thread segment 11 and pull bar ball pin 3 of bar body 1 can
It is adjusted, so that the thread segment 11 of bar body 1 and the length of the mating part of pull bar ball pin 3 are adjusted, by secondary case chi 5 and main set
The length of the part that the thread segment 11 that the main scale mark 411 of chi 4 aligns to read now bar body 1 does not coordinate with pull bar ball pin 3
Angle value (adjustment length value l1), by above-mentioned adjustment length value l1Length with bar body 1 and pull bar ball pin 3 can draw
The adjustment length value L of track rod1；
Bar body 1 and pull bar ball pin 3 are locked finally by locking nut 2.
It will be apparent to those skilled in the art that the adjustment length value L of track rod1With initial length value L0Between difference
Value is the length adjustment value of track rod, and the length adjustment value is corresponding with toe-in of front wheel.
Master calibration section 41 is provided with the main set chi 4 of the track rod that the present invention is provided, by secondary case chi 5 and master calibration
The aligned position of the main scale mark 411 in section 41 can obtain the part that the thread segment 11 of bar body 1 does not coordinate with pull bar ball pin 3
Initial length value l0, then unscrew locking nut 2, adjust the thread segment 11 of bar body 1 and the length of the mating part of pull bar ball pin 3
Degree, and the thread segment of bar body 1 is read by the aligned position of the main scale mark 411 on secondary case chi 5 and master calibration section 41
The adjustment length value l of 11 parts not coordinated with pull bar ball pin 31, adjustment length value l1With initial length value l0Between difference be
It is the length adjustment value of track rod, this track rod is not required to professional and professional tool just can be entered to toe-in of front wheel
Row regulation, it is easy to use.
In a preferred embodiment of the invention, the interference of thread segment 11 of main the set chi 4 and the bar body 1 is matched somebody with somebody
Conjunction, the secondary case chi 5 and the main set interference fit of chi 1, the mode of this interference fit are conducive to for main set chi 4 being positioned at drawing
In bar body 1, and secondary case chi 5 is positioned on main set chi 1, to prevent main set chi 4 and secondary case chi 5 making in track rod
Arbitrarily moved during.
Further, the magnitude of interference between the main set chi 4 and the bar body 1 is 0.1-0.2mm, the secondary case chi
The magnitude of interference between 5 and the main set chi 4 is 0.03-0.05mm.
The reading of numerical value for convenience, the uniform ring of the main scale mark 411 is set around master calibration section 41.
The reading of numerical value for convenience, the secondary case chi 5 is provided with the secondary scale section 51 of subscale mark 511 including outer surface
With the gap 52 through the secondary scale section 51, above-mentioned subscale mark 511 can set according to actual demand, for example, be uniformly arranged on
Toroid in secondary scale section 51 or the graduation mark with Digital ID.So, by subscale mark 511 and main scale mark 411
Between alignment, and be accurately read number by more easily alignd by gap 52 main scale mark 411 and subscale mark 511
Value.
The reading of numerical value for convenience, the uniform ring of the subscale mark 511 is set around the secondary scale section 51.
In another preferred embodiment of the invention, the bottom of the thread segment 11 is provided with hoop boss downwardly 12, described
Main set chi 4 is connected with the hoop boss downwardly 12, and the bottom of above-mentioned thread segment 11 refers to the another of the free end relative to thread segment 11
One end, above-mentioned being connected can be realized by welding or integrally formed mode；
The secondary case chi 5 is connected with the locking nut 2, and above-mentioned being connected can be by welding or integrally formed mode come real
It is existing.
In this embodiment, main set chi 4 is fixed on bar body 1, and secondary case chi 5 is fixed on locking nut 2.Certainly,
Those skilled in the art it is also evident that, in the implementation, secondary case chi 5 may include that outer surface is provided with the pair of subscale mark 511
Scale section 51 and the gap 52 through the secondary scale section 51, to facilitate the reading of numerical value.
Because locking nut 2 easily causes to take off pine during vehicle traveling because of the vibration of vehicle, therefore, in the present invention
Another preferred embodiment in, track rod also includes helical spring 6, and the one end of the helical spring 6 is convex with the ring
Platform 12 offsets, and the other end offsets with the locking nut 2.So, when locking nut 2 takes off pine, helical spring 6 can be provided
To bar body 1 and locking nut 2 with hoop boss downwardly 12 with certain elastic force, so as to effectively prevent because of locking nut 2
Take off pine cause ground track rod length change.
In order to preferably helical spring 6 is positioned between bar body 1 and locking nut 2, the He of the hoop boss downwardly 12
The spring groove (not shown) for positioning the helical spring 6 is provided with the locking nut 2.
When main set chi 4 and hoop boss downwardly 12 are connected, when secondary case chi 5 is connected with locking nut 2, the edge of secondary case chi 5 for convenience
The master calibration section 41 for main set chi 4 is moved, and the secondary case chi 5 coordinates with main set chi 4 gap.
Although present invention combination above example is described, the present invention is not limited to above-described embodiment,
And be only defined by the appended claims, those of ordinary skill in the art easily can modify and change to it, but simultaneously
Without departing from essential idea of the invention and scope.
Claims (3)
1. a kind of track rod, including bar body, locking nut and pull bar ball pin, one end of the bar body has spiral shell
Line section, it is characterised in that also include：
Main set chi, the thread segment with the bar body is adapted, and is set in the outside of the thread segment, the main set chi
Axial length is less than the axial length of the thread segment, and the main set chi is provided with the master calibration of main scale mark including outer surface
Section；The main scale mark uniform ring is set around master calibration section；
Secondary case chi, is adapted, and be set in the outside of the master calibration section with the main set chi；The secondary case chi includes outer surface
The secondary scale section and the gap through the secondary scale section of subscale mark are provided with, the subscale mark uniform ring is around the secondary quarter
Degree section is set；
The thread segment interference fit of the main set chi and the bar body, the secondary case chi and the main set chi interference fit；
The bottom of the thread segment is provided with hoop boss downwardly, and the main set chi is connected with the hoop boss downwardly；
The secondary case chi is connected with the locking nut；
Also include helical spring, described helical spring one end offsets with the hoop boss downwardly, the other end and the locking screw parent phase
Support.
2. track rod according to claim 1, it is characterised in that between the main set chi and the bar body
The magnitude of interference is 0.1-0.2mm, and the magnitude of interference between the secondary case chi and the main set chi is 0.03-0.05mm.
3. track rod according to claim 1, it is characterised in that in the hoop boss downwardly and the locking nut
It is provided with the spring groove for positioning the helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270295.9A CN104843064B (en) | 2015-05-25 | 2015-05-25 | A kind of track rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270295.9A CN104843064B (en) | 2015-05-25 | 2015-05-25 | A kind of track rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104843064A CN104843064A (en) | 2015-08-19 |
| CN104843064B true CN104843064B (en) | 2017-07-04 |
Family
ID=53843151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510270295.9A Active CN104843064B (en) | 2015-05-25 | 2015-05-25 | A kind of track rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104843064B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107672672A (en) * | 2017-08-31 | 2018-02-09 | 安徽江淮汽车集团股份有限公司 | A kind of single tierod assembly and its method of adjustment |
| CN107809836A (en) * | 2017-12-13 | 2018-03-16 | 合肥中科离子医学技术装备有限公司 | A kind of drag link mechanism for superconducting magnet |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1120799A (en) * | 1967-02-03 | 1968-07-24 | Ford Motor Co | Collapsible steering columns |
| US4146340A (en) * | 1977-11-07 | 1979-03-27 | Gulf & Western Manufacturing Company | Calibrated replacement torque rod |
| CN201083612Y (en) * | 2007-09-29 | 2008-07-09 | 力帆实业(集团)股份有限公司 | Motorcycle damping simulator |
| DE102009001535A1 (en) * | 2009-03-13 | 2010-09-16 | Zf Friedrichshafen Ag | Assembly, method of use of this assembly and tool for applying the method |
| KR101359244B1 (en) * | 2012-06-01 | 2014-02-07 | 공주대학교 산학협력단 | Tie Rod Having Self-length measurement sensor |
| DE102012019427A1 (en) * | 2012-10-02 | 2014-04-03 | Trw Automotive Gmbh | Steering rack used as electromechanical power steering apparatus for motor car, has bellows that is arranged at one axial end of rack gear housing, and pressure sensor that is provided for measuring pressure in inside of bellows |
| CN104006714A (en) * | 2014-05-07 | 2014-08-27 | 南京惠德机械有限公司 | Device and method for measuring closed mold height |
| CN204641875U (en) * | 2015-05-25 | 2015-09-16 | 安徽江淮汽车股份有限公司 | A kind of tierod |
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2015
- 2015-05-25 CN CN201510270295.9A patent/CN104843064B/en active Active
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|---|---|
| CN104843064A (en) | 2015-08-19 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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