CN104843064A - Steering tie rod - Google Patents
Steering tie rod Download PDFInfo
- Publication number
- CN104843064A CN104843064A CN201510270295.9A CN201510270295A CN104843064A CN 104843064 A CN104843064 A CN 104843064A CN 201510270295 A CN201510270295 A CN 201510270295A CN 104843064 A CN104843064 A CN 104843064A
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- CN
- China
- Prior art keywords
- chi
- tierod
- main cover
- scale
- thread segment
- 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.)
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a steering tie rod. The steering tie rod comprises a tie rod body, a locking nut, a tie rod ball pin, a main sleeve scale and a secondary sleeve scale, wherein a threaded section is arranged at one end of the tie rod body; the main sleeve scale is matched with the threaded section of the tie rod body and sleeves the outer side of the threaded section; the axial length of the main sleeve scale is smaller than that of the threaded section; the main sleeve scale comprises a main scale section; main scale marks are arranged on the outer surface of the main sleeve scale; and the secondary sleeve scale is matched with the main sleeve scale and sleeves the outer side of the main scale section. The main scale section is arranged on the main sleeve scale of the steering tie rod, the secondary sleeve scale is aligned with the main scale marks of the main scale section, and the length value of a portion, which is not matched with the tie rod ball pin, of the threaded section of the tie rod body can be acquired. By the steering tie rod, toe-in of a front wheel can be adjusted without the aid of professionals or professional tools. The steering tie rod is convenient to use.
Description
Technical field
The present invention relates to automobile steering system, particularly a kind of tierod.
Background technology
In order to ensure that automobile steering roller is when comeing up against external force (as running into stone) effect and deflecting, the position of straight-line travelling can be got back to immediately after external force disappears, wheel flutter should have automatic aligning function, this automatic aligning function realizes by regulating the positional parameter of wheel flutter, and toe-in of front wheel is the one in above-mentioned positional parameter.
Toe-in of front wheel refers to front-wheel front end face and the aft end face range difference at vehicle transverse direction, and toe-in of front wheel arranges improper, easily causes automobile automatic aligning function mal, and causes front tyre eccentric wear, reduces tire life.Toe-in of front wheel needs periodic adjustment, usually directly realizes the adjustment of toe-in of front wheel by the adjustment of steering track rod.
Steering track rod is the strength member in automotive steering structure, it directly affects the service life of the stability of automobile operation, the safety of operation and tire, steering track rod can be divided into steering drag link and tierod, wherein, tierod guarantees that left and right turn wheel produces the critical component of proper exercise relation.As shown in fig. 1, tierod comprises bar body 1', jam nut 2' and pull bar ball pin 3', draw one end of this body 1' that the bulb matched with steering system is set, the other end is provided with outside thread, pull bar ball pin 3' has the negative thread matched with the outside thread of bar body 1', and jam nut 2' is used for the length of the screw thread fit between steady brace body 1' and pull bar ball pin 3'.
By the length of the screw thread fit between adjusting yoke body 1' and pull bar ball pin 3', the adjustment of the length of tierod can be realized, and then realize the adjustment of toe-in of front wheel.
Because tierod length after automobile travels for a long time can change, existing tierod directly cannot read previous tierod length value, also the numerical value of length adjustment directly cannot be read in the process of length adjustment, and must be read by professional tool by professional, therefore the adjustment of toe-in of front wheel is wasted time and energy, comparatively loaded down with trivial details.
Summary of the invention
The technical problem to be solved in the present invention is the tierod providing a kind of readable taking-up length adjustment value.
For solving the problems of the technologies described above, tierod provided by the invention comprises bar body, jam nut and pull bar ball pin, and one end of described bar body has thread segment, also comprises:
Main cover chi, suitable with the thread segment of described bar body, and be set in the outside of described thread segment, the axial length of described main cover chi is less than the axial length of described thread segment, and described main cover chi comprises the master calibration section that outside face is provided with main scale mark;
Secondary case chi, suitable with described main cover chi, and be set in the outside of described master calibration section.
Preferably, the thread segment interference fit of described main cover chi and described bar body, described secondary case chi and described main cover chi interference fit.
More preferably, the magnitude of interference between described main cover chi and described bar body is 0.1-0.2mm, and the magnitude of interference between described secondary case chi and described main cover chi is 0.03-0.05mm.
Preferably, described main scale mark uniform ring is arranged around described master calibration section.
Preferably, described secondary case chi comprises outside face and is provided with the secondary scale section of subscale mark and run through the gap of described secondary scale section.
More preferably, described subscale mark uniform ring is arranged around described secondary scale section.
Preferably, the bottom of described thread segment is provided with hoop boss, and described main cover chi and described hoop boss are connected;
Described secondary case chi and described jam nut are connected.
More preferably, also comprise coil spring, described coil spring one end and described hoop boss offset, and the other end and described jam nut offset.
More preferably, described hoop boss and described jam nut are provided with for locating described helical spring spring groove.
More preferably, described secondary case chi and described main cover chi free-running fit.
The main cover chi of tierod provided by the invention is provided with master calibration section, the initial length value of the part that the thread segment that can obtain bar body by secondary case chi and the aligned position of the main scale mark in master calibration section does not coordinate with pull bar ball pin, unscrew jam nut again, the adjustment thread segment of bar body and the length of pull bar ball pin mating part, and the adjustment length value of the part do not coordinated with pull bar ball pin by the thread segment that secondary case chi and the aligned position of the main scale mark in master calibration section read bar body, the difference between length value and initial length value is regulated to be the length adjustment value of tierod, this tierod does not need professional and professional tool just can regulate toe-in of front wheel, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing tierod;
Fig. 2 is the structural representation of tierod embodiment of the present invention;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the exploded view of tierod embodiment of the present invention.
Indicate as follows in figure:
Bar body-1', jam nut-2', pull bar ball pin-3', bar body-1, thread segment-11, hoop boss-12, jam nut-2, pull bar ball pin-3, main cover chi-4, master calibration section-41, main scale mark-411, secondary case chi-5, secondary scale section-51, subscale mark-511, gap-52, coil spring-6.
Detailed description of the invention
For enabling above-mentioned purpose, the feature and advantage of invention more become apparent, below the specific embodiment of the present invention is described in detail.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As shown in Figures 2 to 4, the invention provides a kind of tierod, comprise bar body 1, jam nut 2 and pull bar ball pin 3, one end of described bar body 1 has thread segment 11, it should be apparent to those skilled in the art that, the outside face of above-mentioned thread segment 11 is provided with the outside thread matched with the negative thread of pull bar ball pin 3, and bar body 1 and pull bar ball pin 3 are connected by negative thread and outside thread, and are fixed further by jam nut 2; Also comprise:
Main cover chi 4, suitable with the thread segment 11 of described bar body 1, and be set in the outside of described thread segment 11, the axial length of described main cover chi 4 is less than the axial length of described thread segment 11, described main cover chi 4 comprises the master calibration section 41 that outside face is provided with main scale mark 411, above-mentioned main scale mark 411 can be arranged according to actual demand, such as, be evenly arranged on the toroid in master calibration section 41 or the scale mark of band Digital ID;
Secondary case chi 5, suitable with described main cover chi 4, and be set in the outside of described master calibration section 41.
Tierod of the present invention in use, length value (the initial length value l of the part that the thread segment 11 that reads a bar body 1 do not coordinate with pull bar ball pin 3 of first being alignd by secondary case chi 5 and the main scale mark 411 of main cover chi 4
0), because the length of self 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 l
0the initial length value L of tierod can be drawn with the length of bar body 1 and pull bar ball pin 3
0;
Then jam nut 2 is unscrewed, screw thread fit now between the thread segment 11 of bar body 1 and pull bar ball pin 3 can adjust, thus the adjustment thread segment 11 of the bar body 1 and length of pull bar ball pin 3 mating part, (regulate length value l by the align length value of part that the thread segment 11 that reads now bar body 1 do not coordinate with pull bar ball pin 3 of secondary case chi 5 and the main scale mark 411 of main cover chi 4
1), by above-mentioned adjustment length value l
1the adjustment length value L of tierod can be drawn with the length of bar body 1 and pull bar ball pin 3
1;
Bar body 1 and pull bar ball pin 3 is locked finally by jam nut 2.
It will be apparent to those skilled in the art that the adjustment length value L of tierod
1with initial length value L
0between difference be the length adjustment value of tierod, this length adjustment value is corresponding with toe-in of front wheel.
The main cover chi 4 of tierod provided by the invention is provided with master calibration section 41, the initial length value l of the part that the thread segment 11 that can obtain bar body 1 by secondary case chi 5 and the aligned position of the main scale mark 411 in master calibration section 41 does not coordinate with pull bar ball pin 3
0unscrew jam nut 2 again, the thread segment 11 of adjustment bar body 1 and the length of pull bar ball pin 3 mating part, and the adjustment length value l of the part do not coordinated with pull bar ball pin 3 by the thread segment 11 that secondary case chi 5 and the aligned position of the main scale mark 411 in master calibration section 41 read bar body 1
1, regulate length value l
1with initial length value l
0between difference be the length adjustment value of tierod, this tierod does not need professional and professional tool just can regulate toe-in of front wheel, easy to use.
In a preferred embodiment of the invention, thread segment 11 interference fit of described main cover chi 4 and described bar body 1, described secondary case chi 5 and described main cover chi 1 interference fit, the mode of this interference fit is conducive to main cover chi 4 to be positioned on bar body 1, and secondary case chi 5 is positioned on main cover chi 1, to prevent the arbitrarily movement in the use procedure of tierod of main cover chi 4 and secondary case chi 5.
Further, the magnitude of interference between described main cover chi 4 and described bar body 1 is 0.1-0.2mm, and the magnitude of interference between described secondary case chi 5 and described main cover chi 4 is 0.03-0.05mm.
The conveniently reading of numerical value, described main scale mark 411 uniform ring is arranged around described master calibration section 41.
The conveniently reading of numerical value, described secondary case chi 5 comprises outside face and is provided with the secondary scale section 51 of subscale mark 511 and runs through the gap 52 of described secondary scale section 51, above-mentioned subscale mark 511 can be arranged according to actual demand, such as, be evenly arranged on the toroid in secondary scale section 51 or the scale mark of band Digital ID.Like this, by aliging between subscale mark 511 with main scale mark 411, and align main scale mark 411 and subscale mark 511 more easily by gap 52 can reading numerical values exactly.
The conveniently reading of numerical value, described subscale mark 511 uniform ring is arranged around described secondary scale section 51.
In another preferred embodiment of the invention, the bottom of described thread segment 11 is provided with hoop boss 12, described main cover chi 4 is connected with described hoop boss 12, the bottom of above-mentioned thread segment 11 refers to the other end of the free end relative to thread segment 11, above-mentioned be connected by welding or integrated mode realize;
Described secondary case chi 5 and described jam nut 2 are connected, and above-mentioned being connected realizes by welding or integrated mode.
In this embodiment, main cover chi 4 is fixed on bar body 1, and secondary case chi 5 is fixed on jam nut 2.Certainly, those skilled in the art also should be clear, and in this enforcement, secondary case chi 5 can comprise outside face and is provided with the secondary scale section 51 of subscale mark 511 and runs through the gap 52 of described secondary scale section 51, to facilitate the reading of numerical value.
Because jam nut 2 easily causes taking off pine because of the vibration of car load in car load driving process, therefore, in another preferred embodiment of the present invention, tierod also comprises coil spring 6, described coil spring 6 one end and described hoop boss 12 offset, and the other end and described jam nut 2 offset.Like this, when jam nut 2 takes off pine, coil spring 6 can be supplied to there is hoop boss 12 bar body 1 and jam nut 2 with certain elastic force, thus effectively prevent from taking off because of jam nut 2 change that pine causes ground tierod length.
In order to be positioned between bar body 1 and jam nut 2 by coil spring 6 better, described hoop boss 12 and described jam nut 2 are provided with the spring groove (not shown) for locating described coil spring 6.
When main cover chi 4 is connected with hoop boss 12, when secondary case chi 5 and jam nut 2 are connected, conveniently secondary case chi 5 moves along the master calibration section 41 of main cover chi 4, described secondary case chi 5 and described main cover chi 4 free-running fit.
Although the present invention is described in conjunction with above embodiment, but the present invention is not defined to above-described embodiment, and only by the restriction of claims, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present invention and scope.
Claims (10)
1. a tierod, comprise bar body, jam nut and pull bar ball pin, one end of described bar body has thread segment, it is characterized in that, also comprises:
Main cover chi, suitable with the thread segment of described bar body, and be set in the outside of described thread segment, the axial length of described main cover chi is less than the axial length of described thread segment, and described main cover chi comprises the master calibration section that outside face is provided with main scale mark;
Secondary case chi, suitable with described main cover chi, and be set in the outside of described master calibration section.
2. tierod according to claim 1, is characterized in that, the thread segment interference fit of described main cover chi and described bar body, described secondary case chi and described main cover chi interference fit.
3. tierod according to claim 2, is characterized in that, the magnitude of interference between described main cover chi and described bar body is 0.1-0.2mm, and the magnitude of interference between described secondary case chi and described main cover chi is 0.03-0.05mm.
4. tierod according to claim 1, is characterized in that, described main scale mark uniform ring is arranged around described master calibration section.
5. the tierod according to claim 1 or 4, is characterized in that, described secondary case chi comprises outside face and is provided with the secondary scale section of subscale mark and runs through the gap of described secondary scale section.
6. tierod according to claim 5, is characterized in that, described subscale mark uniform ring is arranged around described secondary scale section.
7. tierod according to claim 1, is characterized in that, the bottom of described thread segment is provided with hoop boss, and described main cover chi and described hoop boss are connected;
Described secondary case chi and described jam nut are connected.
8. tierod according to claim 7, is characterized in that, also comprises coil spring, and described coil spring one end and described hoop boss offset, and the other end and described jam nut offset.
9. tierod according to claim 8, is characterized in that, described hoop boss and described jam nut are provided with for locating described helical spring spring groove.
10. tierod according to claim 7, is characterized in that, described secondary case chi and described main cover chi free-running fit.
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 true CN104843064A (en) | 2015-08-19 |
| CN104843064B 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) |
Cited By (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 |
Citations (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 |
| US20120003032A1 (en) * | 2009-03-13 | 2012-01-05 | Zf Friedrichshafen Ag | Tie rod |
| 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 |
-
2015
- 2015-05-25 CN CN201510270295.9A patent/CN104843064B/en active Active
Patent Citations (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 |
| US20120003032A1 (en) * | 2009-03-13 | 2012-01-05 | Zf Friedrichshafen Ag | Tie rod |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104843064B (en) | 2017-07-04 |
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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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