CN213008334U - Two-section type tie rod structure - Google Patents
Two-section type tie rod structure Download PDFInfo
- Publication number
- CN213008334U CN213008334U CN202021119950.3U CN202021119950U CN213008334U CN 213008334 U CN213008334 U CN 213008334U CN 202021119950 U CN202021119950 U CN 202021119950U CN 213008334 U CN213008334 U CN 213008334U
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- China
- Prior art keywords
- pull rod
- rod end
- bulb
- lock nut
- nut
- 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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Abstract
The utility model discloses a two segmentation drag link structures, including bulb end and pull rod end, the pull rod end has the external screw thread, the bulb end has the internal thread, the pull rod end with the bulb end is connected through screw-thread fit, the pull rod end still has lock nut through external screw thread connection lock nut with it prevents to go back the cover between the bulb end lock nut pivoted lock washer. Two segmentation drag link structures in, with the help of lock washer's rotation-proof function, lock nut can last tightly support lock washer reaches bulb end, thereby the order the pull rod end with the unlikely relative rotation that takes place of bulb end.
Description
Technical Field
The utility model relates to an automobile connection structure especially relates to a two segmentation drag link structures.
Background
As shown in fig. 1, in the conventional passenger car adopting the rack and pinion steering gear, a tie rod with an adjustable length is used to connect the rack and the wheel.
The tie rod comprises a pull rod end 3 and a ball end 1, wherein the pull rod end 3 is provided with external threads, the ball end 1 is provided with internal threads, the pull rod end 3 is also provided with a nut 2 for locking, and the nut is locked when the toe-in value is adjusted.
In the structure, the pull rod end 3 and the ball head end 1 are combined through threads and locked through the nut 2, and the anti-loosening mode belongs to double-nut locking. Because the pull rod end 3 is connected with the rack through the ball head, once the nut 2 is loosened due to external reasons, the pull rod end 3 and the ball head end 1 are in a free state, and the threaded connection part of the pull rod end 3 and the ball head end 1 is easy to relatively rotate, so that the length of the cross pull rod is changed, and the change of a toe-in is caused, and the straight running deviation, the braking deviation and the like of a vehicle are caused.
Because the locking nut 2 only depends on the tightening torque of the nut 2 to lock when locking the pull rod end 3 and the ball head end 1, the locking force is limited. When the vehicle bears severe working conditions and severe vibration, the nut 2 has the danger of loosening, and the driving safety is endangered.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's drawback provides a two segmentation drag link structures.
Two segmentation drag link structure, including bulb end and pull rod end, the pull rod end has the external screw thread, the bulb end has the internal thread, the pull rod end with the bulb end is connected through screw-thread fit, the pull rod end still has lock nut through external screw thread connection lock nut with it prevents to go back the cover between the bulb end lock nut pivoted locking washer.
Two segmentation drag link structures in, lock washer include annular packing ring and certainly the protruding pulling card tooth that stretches out of outward flange radiation of annular packing ring, card tooth is pulled by external force and crisscross laminating in lock nut's outer facade and the outer facade of bulb end.
Two segmentation drag link structures in, with the help of lock washer's rotation-proof function, lock nut can last tightly support lock washer reaches bulb end, thereby the order the pull rod end with the unlikely relative rotation that takes place of bulb end.
Drawings
FIG. 1 is a schematic structural diagram of a two-segment tie rod in the prior art;
fig. 2 is a schematic exploded view of the two-segment tie rod structure of the present invention;
fig. 3 is a schematic view of a combination state of the two-stage track rod structure of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 2 and 3, the two-segment tie rod structure of the present invention comprises a ball end 1 and a pull rod end 3, wherein the pull rod end 3 has an external thread 31, the ball end 1 has an internal thread 12, and the pull rod end 3 is connected to the ball end 1 through a thread fit. In order to prevent the threaded connection part of the pull rod end 3 and the ball head end 1 from relatively rotating, the pull rod end 3 is connected with a locking nut 2 through an external thread 31, and the locking nut 2 and the ball head end 1 are sleeved with a locking gasket 4 for preventing the locking nut 2 from rotating.
After the pull rod end 3 and the ball head end 1 are adjusted to a proper connection length, the locking nut 2 is screwed, so that the locking nut 2 tightly abuts against the locking gasket 4 and the ball head end 1. By means of the anti-rotation function of the locking washer 4, the locking nut 2 can continuously and tightly abut against the locking washer 4 and the ball end 1, so that the pull rod end 3 and the ball end 1 cannot rotate relatively.
Particularly, in the two-segment tie rod structure of the present invention, the locking washer 4 includes an annular washer 41 and a cocking tooth 42 protruding from the outer edge of the annular washer 41. The clamping teeth 42 are pulled by external force to be alternatively attached to the outer vertical surface 21 of the locking nut 2 and the outer vertical surface 11 of the ball end 1, so that the locking nut 2 cannot rotate, and the pull rod end 3 and the ball end 1 cannot rotate relatively.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (2)
1. The utility model provides a two segmentation tie rod structures, includes bulb end and pull rod end, the pull rod end has the external screw thread, the bulb end has the internal thread, the pull rod end with the bulb end is connected through screw-thread fit, its characterized in that, the pull rod end still has lock nut through threaded connection lock nut with it prevents to go back the cover between the bulb end lock nut pivoted locking washer.
2. The two-segment tie rod structure of claim 1, wherein said locking washer comprises an annular washer and a cocked latch radially protruding from an outer edge of said annular washer, said latch being cocked by an external force to fit alternately to an outer surface of the locking nut and an outer surface of the ball end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119950.3U CN213008334U (en) | 2020-06-17 | 2020-06-17 | Two-section type tie rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119950.3U CN213008334U (en) | 2020-06-17 | 2020-06-17 | Two-section type tie rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213008334U true CN213008334U (en) | 2021-04-20 |
Family
ID=75495882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021119950.3U Active CN213008334U (en) | 2020-06-17 | 2020-06-17 | Two-section type tie rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213008334U (en) |
-
2020
- 2020-06-17 CN CN202021119950.3U patent/CN213008334U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |