CN211943486U - Steering pull rod - Google Patents
Steering pull rod Download PDFInfo
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- CN211943486U CN211943486U CN202020519366.0U CN202020519366U CN211943486U CN 211943486 U CN211943486 U CN 211943486U CN 202020519366 U CN202020519366 U CN 202020519366U CN 211943486 U CN211943486 U CN 211943486U
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- sleeve
- extension rod
- internal thread
- rod
- steering
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Abstract
The utility model relates to a steering mechanism technical field especially relates to a steering linkage, include: a pull rod body, in particular a sleeve; the first extension rod is connected with one end of the sleeve, and the second extension rod is connected with the other end of the sleeve; a first external thread is arranged at one end of the first extension rod, a first internal thread is arranged inside one end of the sleeve, a second external thread is arranged at one end of the second extension rod, a second internal thread is arranged inside the other end of the sleeve, and the rotating directions of the first internal thread and the second internal thread are opposite; first extension rod one end is located soon in the sleeve pipe one end, second extension rod one end is located soon in the sleeve pipe other end, and then through the regulation to steering linkage length to required steering torque of control and the precision that turns to.
Description
Technical Field
The utility model relates to a steering mechanism technical field especially relates to a steering linkage.
Background
The steering mechanism is a key part of the whole vehicle, particularly heavy vehicles such as an integral frame support carrier, a heavy flat transport vehicle, an open-pit mine multi-wheel mining vehicle and the like, and the steering rod with fixed length cannot meet the requirements due to large steering torque required by the steering mechanism and high steering precision requirement.
Therefore, how to satisfy the required steering torque and steering accuracy is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a steering linkage that overcomes or at least partially solves the above problems.
The utility model provides a steering linkage, include:
a pull rod body, in particular a sleeve;
the first extension rod is connected with one end of the sleeve, and the second extension rod is connected with the other end of the sleeve;
a first external thread is arranged at one end of the first extension rod, a first internal thread is arranged inside one end of the sleeve, a second external thread is arranged at one end of the second extension rod, a second internal thread is arranged inside the other end of the sleeve, and the rotating directions of the first internal thread and the second internal thread are opposite;
first extension rod one end is located soon in the sleeve pipe one end, second extension rod one end is located soon in the sleeve pipe other end.
Furthermore, both ends of the sleeve are provided with notches;
and locking structures are arranged at the notches.
Further, the locking structure includes:
the first fixing part is provided with a first jack, the second fixing part is provided with a second jack, and the first jack and the second jack are arranged oppositely;
one end of the bolt is provided with a blocking part, and the other end of the bolt is inserted into the first insertion hole and the second insertion hole;
the nut is arranged at the other end of the bolt in a rotating mode, and the size of the gap is adjusted by rotating the nut.
Further, the other end of the first extension rod is provided with a first bearing, and the other end of the second extension rod is provided with a second bearing.
Further, the sleeve is embodied as a straight sleeve or a curved sleeve.
Further, when the sleeve is a straight sleeve, rotating the sleeve, the first extension rod and the second extension rod both extend or contract relative to the sleeve.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a steering pull rod, which comprises a pull rod body, in particular to a sleeve; the device also comprises a first extension rod connected with one end of the sleeve and a second extension rod connected with the other end of the sleeve; first extension rod one end sets up first external screw thread, the inside first internal thread that sets up of sleeve pipe one end, second extension rod one end sets up the second external screw thread, the inside second internal thread that sets up of the sleeve pipe other end, and first internal thread and the internal screw thread opposite direction of rotation of second, this first internal thread one end is located in sleeve pipe one end soon, second internal thread one end is located in the sleeve pipe other end soon, through rotatory first extension rod, the second extension rod, perhaps the sleeve pipe, realize this length adjustment of steering linkage, and then through the regulation to steering linkage length, with required steering torque of control and steering precision.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a schematic structural view of a steering link in an embodiment of the present invention;
fig. 2 shows a schematic structural view of a thread in an embodiment of the invention;
fig. 3 is a schematic structural view of a steering rod with a locking structure in an embodiment of the present invention;
fig. 4 shows a schematic diagram of a locking structure in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the utility model provides a steering linkage mainly is applied to among the heavy vehicle, specifically is applied to among the steering mechanism of heavy vehicles such as whole frame-type support carrier, heavy flat-bed transport vehicle and open pit mine multi-wheel mining car.
As shown in fig. 1 and 3, the tie rod includes: a pull rod body, specifically a sleeve 101; a first extension rod 102 connected with one end of the sleeve, and a second extension rod 103 connected with the other end of the sleeve.
As shown in fig. 2, one end of the first extension rod 102 is provided with a first external thread 1021, a first internal thread 1011 is arranged inside one end of the sleeve 101, the first external thread 1021 is engaged with the first internal thread 1011, one end of the second extension rod 103 is provided with a second external thread 1031, a second internal thread 1012 is arranged inside the other end of the sleeve 101, the second external thread 1031 is engaged with the second internal thread 1012, and the rotation directions of the first internal thread 1011 and the second internal thread 1012 are opposite.
Just because the first internal thread 1011 and the second internal thread 1012 rotate in opposite directions, when the sleeve 101 is rotated, the first extension rod 102 and the second extension rod 103 both extend outward relative to the sleeve 101 or both retract inward relative to the sleeve 101, thereby extending or shortening the steering link. And further can meet the requirements of the steering pull rod on steering stress and steering precision.
In an alternative embodiment, the casing 101 is provided with a notch a at both ends, and the locking structure 104 is provided at the notch. The locking structure is used for adjusting the size of the gap a, so as to ensure that the first extension rod 102 and the second extension rod 103 are connected with the casing 101 more firmly, and the first extension rod 102 and the second extension rod 103 are also convenient to be detached from the casing 101.
As shown in fig. 4, the locking structure includes:
the first fixing portion 201 and the second fixing portion 202 are fixed on two sides of the notch, a first insertion hole 203 is formed in the first fixing portion 201, a second insertion hole 204 is formed in the second fixing portion 202, and the first insertion hole 203 and the second insertion hole 204 are arranged oppositely.
And a blocking part is arranged at one end of the bolt 205, and the other end of the bolt 205 is inserted into the first insertion hole 203 and the second insertion hole.
And a nut 206 screwed on the other end of the bolt 205, wherein the size of the gap is adjusted by rotating the nut 206.
Certainly, in order to improve the fastening effect of the locking structure, another insertion hole may be further provided on the first fixing portion 201 and the second fixing portion 202, and bolts and nuts are correspondingly added, and the fastening effect is better and obvious by fastening through two or more groups of bolts and nuts.
In an alternative embodiment, the sleeve 101 may be a straight sleeve or a curved sleeve.
In an alternative embodiment, where the casing 101 is a straight casing, rotating the casing 101 causes both the first extension rod 102 and the second extension rod 103 to extend or retract relative to the casing 101.
Of course, it is also possible to rotate only the first extension rod 102, or only the second extension rod 103, to achieve the extension and contraction of the steering link.
In an alternative embodiment, the other end of the first extension rod 102 is provided with a first bearing 105, and the other end of the second extension rod 103 is provided with a second bearing 106. The first bearing 105 and the second bearing 106 are connected to corresponding knuckle arms, so as to realize the push-pull function of the knuckle arms and coordinate the steering angles of the knuckle arms.
After the length of pull rod is adjusted through rotating sleeve 101, fasten locking structure again, realize the fixed of pull rod length, and then realize the adjustment to bearing stress, moreover, be difficult to the unstability.
Because the length of this pull rod is adjustable, and then make turning to of whole car more accurate, also be convenient for to turn to the installation and the maintenance of pull rod structure.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a steering pull rod, which comprises a pull rod body, in particular to a sleeve; the device also comprises a first extension rod connected with one end of the sleeve and a second extension rod connected with the other end of the sleeve; first extension rod one end sets up first external screw thread, the inside first internal thread that sets up of sleeve pipe one end, second extension rod one end sets up the second external screw thread, the inside second internal thread that sets up of the sleeve pipe other end, and first internal thread and the internal screw thread opposite direction of rotation of second, this first internal thread one end is located in sleeve pipe one end soon, second internal thread one end is located in the sleeve pipe other end soon, through rotatory first extension rod, the second extension rod, perhaps the sleeve pipe, realize this length adjustment of steering linkage, and then through the regulation to steering linkage length, with required steering torque of control and steering precision. While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A tie rod, comprising:
a pull rod body, in particular a sleeve;
the first extension rod is connected with one end of the sleeve;
the second extension rod is connected with the other end of the sleeve;
a first external thread is arranged at one end of the first extension rod, a first internal thread is arranged inside one end of the sleeve, a second external thread is arranged at one end of the second extension rod, a second internal thread is arranged inside the other end of the sleeve, and the rotating directions of the first internal thread and the second internal thread are opposite;
first extension rod one end is located soon in the sleeve pipe one end, second extension rod one end is located soon in the sleeve pipe other end.
2. The tie rod of claim 1, wherein the sleeve is notched at both ends;
and locking structures are arranged at the notches.
3. The tie rod of claim 2, wherein the locking structure comprises:
the first fixing part is provided with a first jack, the second fixing part is provided with a second jack, and the first jack and the second jack are arranged oppositely;
one end of the bolt is provided with a blocking part, and the other end of the bolt is inserted into the first insertion hole and the second insertion hole;
the nut is arranged at the other end of the bolt in a rotating mode, and the size of the gap is adjusted by rotating the nut.
4. The tie rod of claim 1, wherein the first extension rod is provided at the other end thereof with a first bearing and the second extension rod is provided at the other end thereof with a second bearing.
5. Steering linkage according to claim 1, characterized in that the sleeve is embodied as a straight sleeve or as a curved sleeve.
6. The tie rod of claim 1, wherein when the sleeve is a straight sleeve, rotating the sleeve causes each of the first and second extension rods to extend or retract relative to the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519366.0U CN211943486U (en) | 2020-04-10 | 2020-04-10 | Steering pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519366.0U CN211943486U (en) | 2020-04-10 | 2020-04-10 | Steering pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211943486U true CN211943486U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020519366.0U Active CN211943486U (en) | 2020-04-10 | 2020-04-10 | Steering pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211943486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696968A (en) * | 2021-09-29 | 2021-11-26 | 东风汽车集团股份有限公司 | Steering mechanism and parameter calibration method thereof |
-
2020
- 2020-04-10 CN CN202020519366.0U patent/CN211943486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113696968A (en) * | 2021-09-29 | 2021-11-26 | 东风汽车集团股份有限公司 | Steering mechanism and parameter calibration method thereof |
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