CN212738269U - Steering pull rod for automobile - Google Patents
Steering pull rod for automobile Download PDFInfo
- Publication number
- CN212738269U CN212738269U CN202020644607.4U CN202020644607U CN212738269U CN 212738269 U CN212738269 U CN 212738269U CN 202020644607 U CN202020644607 U CN 202020644607U CN 212738269 U CN212738269 U CN 212738269U
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- ball head
- cavity
- pull rod
- head cavity
- rod body
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Abstract
A steering pull rod for an automobile comprises a pull rod body, a ball head connecting part arranged at the end part of the pull rod body, and an inner pull rod locking part arranged at the other end part of the pull rod body; the ball head connecting part comprises an upper ball head cavity, a lower ball head cavity and a ball pin inserting hole for connecting the upper ball head cavity and the lower ball head cavity. The utility model discloses its structural strength is high, firm in connection.
Description
Technical Field
The utility model relates to an auto steering technical field, in particular to auto steering rod.
Background
In the steering system of automobile, the steering rod is an important connecting component, and the patent application number is 20181
1437403.7, the invention patent of China, with the application date of 2018.08.15, discloses an automobile steering tie rod, which is used for connecting a circulating ball steering gear rocker arm and is characterized by comprising a first ball head seat, a first ball head pin and a tie rod body, wherein the first ball head seat is used for being fixedly connected to the circulating ball steering gear rocker arm, the first end of the first ball head pin is connected to the first ball head seat and can rotate relative to the first ball head seat, the second end of the first ball head pin is connected to the tie rod body, and the second end can move relative to the tie rod body along the axial direction of the tie rod body. It has also disadvantages: the split type connecting structure is adopted, and the firmness is not enough.
And (4) moving in a direction.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is to overcome prior art's weak point, provide a car and used steering linkage, solved the problem that exists among the prior art, its structural strength is high, firm in connection.
The above technical purpose of the present invention can be achieved by the following technical solutions: a steering pull rod for an automobile comprises a pull rod body, a ball head connecting part arranged at the end part of the pull rod body, and an inner pull rod locking part arranged at the other end part of the pull rod body; the ball head connecting part comprises an upper ball head cavity, a lower ball head cavity and a ball pin inserting hole for connecting the upper ball head cavity and the lower ball head cavity.
As a further preferable technical proposal of the utility model; the upper ball head cavity comprises a transverse cavity and a longitudinal cavity communicated with the transverse cavity, two transverse end faces of the transverse cavity are inclined end faces, the diameter of a circle where the upper end of each inclined end face is located is 37.4 +/-0.4 mm, and an included angle formed by each inclined end face and the central axis of the ball pin inserting hole is 32-37 degrees.
As a further preferable technical proposal of the utility model; the two longitudinal end faces of the longitudinal cavity are inclined side faces, the diameter of a circle where the upper end of each inclined side face is located is 23.2 +/-0.4 mm, and the included angle formed by each inclined side face and the central axis of the ball pin inserting hole is 2-5 degrees.
As a further preferable technical proposal of the utility model; the lower ball head cavity is a conical cavity, the diameter of an opening at the lower end of the lower ball head cavity is 32 +/-0.4 mm, and an included angle formed by the inner surface of the lower ball head cavity and the central axis of the ball pin inserting hole is 32-34 degrees.
As a further preferable technical proposal of the utility model; the inner pull rod locking part comprises a pair of lateral plates arranged on the pull rod body, a locking groove positioned between the pair of lateral plates and a pin shaft hole arranged on the lateral plates.
As a further preferable technical proposal of the utility model; the pull rod body comprises a middle bent rod, a terminal connecting column connected with one end of the middle bent rod and a terminal connecting rod connected with the other end of the middle bent rod, the ball head connecting portion is arranged on the connecting column, and the inner pull rod locking portion is arranged on the terminal connecting rod.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses its structural strength is high, firm in connection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic sectional view of B-B in fig. 2 according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example (b): as shown in fig. 1, 2 and 3, a steering rod for an automobile comprises a rod body 1, a ball head connecting part 2 arranged at one end of the rod body 1, and an inner rod locking part 3 arranged at the other end of the rod body 1; the ball head connecting part 2 comprises an upper ball head cavity 21, a lower ball head cavity 22 and a ball pin inserting hole 23 which connects the upper ball head cavity 21 and the lower ball head cavity 22, the pull rod body is of an integral rod shape, the pull rod body 1 comprises a middle curved rod 11, an end connecting column 12 connected with one end of the middle curved rod 11 and an end connecting rod 13 connected with the other end of the middle curved rod 11, the middle curved rod, the end connecting column and the end connecting rod are made of the same material in an integral forming mode, welding or screw connection is not needed, the structural strength is high, the ball head connecting part 2 is arranged on the connecting column 12, and the inner pull rod locking part 3 is arranged on the end connecting rod 13; meanwhile, the inner pull rod locking part 3 can realize firm locking on the inner pull rod.
Further, the upper ball head cavity 21 includes a transverse cavity 211 and a longitudinal cavity 212 communicated with the transverse cavity, two transverse end faces of the transverse cavity 211 are inclined end faces, the diameter of a circle where the upper end of each inclined end face is located is 37.4 ± 0.4mm, and an included angle formed by each inclined end face and the central axis of the ball pin insertion hole 23 is 32-37 °.
Further, the method comprises the following steps of; the two longitudinal end surfaces of the longitudinal cavity 212 are inclined side surfaces, the diameter of a circle where the upper end of each inclined side surface is located is 23.2 +/-0.4 mm, the included angle formed by each inclined side surface and the central axis of the ball pin inserting hole 23 is 2-5 degrees, and the arrangement mode and the structure of the longitudinal cavity and the transverse cavity are convenient to connect and install and adjust.
Further, the lower ball head cavity 22 is a conical cavity, the diameter of the lower end opening of the lower ball head cavity 22 is 32 +/-0.4 mm, and an included angle formed by the inner surface of the lower ball head cavity 22 and the central axis of the ball pin insertion hole 23 is 32-34 degrees.
Further, the inner pull rod locking portion 3 comprises a pair of lateral plates 31 arranged on the pull rod body 1, a locking groove 32 located between the pair of lateral plates 31, and a pin shaft hole 33 arranged on the lateral plate 31, and is connected and fixed with the inner pull rod through a pin shaft placed in the pin shaft hole.
Claims (5)
1. A steering tie rod for an automobile, characterized in that: the pull rod comprises a pull rod body (1), a ball head connecting part (2) arranged at the end part of the pull rod body (1), and an inner pull rod locking part (3) arranged at the other end part of the pull rod body (1); the ball head connecting part (2) comprises an upper ball head cavity (21), a lower ball head cavity (22) and a ball pin inserting hole (23) for connecting the upper ball head cavity (21) and the lower ball head cavity (22).
2. The steering link for an automobile according to claim 1, characterized in that: the upper ball head cavity (21) comprises a transverse cavity (211) and a longitudinal cavity (212) communicated with the transverse cavity, two transverse end faces of the transverse cavity (211) are arc-shaped end faces, the diameter of a circle where the upper end of each arc-shaped end face is located is 37.4 +/-0.4 mm, and an included angle formed by each arc-shaped end face and the central axis of the ball pin inserting hole (23) is 32-37 degrees.
3. The steering link for an automobile according to claim 2, characterized in that: two longitudinal end surfaces of the longitudinal cavity (212) are arc surfaces, the diameter of a circle where the upper end of each arc surface is located is 23.2 +/-0.4 mm, and the included angle formed by each arc surface and the central axis of the ball pin inserting hole (23) is 2-5 degrees.
4. The steering link for an automobile according to claim 2, characterized in that: the lower ball head cavity (22) is a conical cavity, the diameter of an opening at the lower end of the lower ball head cavity (22) is 32 +/-0.4 mm, and an included angle formed by the inner surface of the lower ball head cavity (22) and the central axis of the ball pin inserting hole (23) is 32-34 degrees.
5. A steering link for an automobile according to claim 1, 2 or 3, characterized in that: the inner pull rod locking portion (3) comprises a pair of lateral plates (31) arranged on the pull rod body (1), a locking groove (32) located between the pair of lateral plates (31), and a pin shaft hole (33) arranged on the lateral plates (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644607.4U CN212738269U (en) | 2020-04-24 | 2020-04-24 | Steering pull rod for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644607.4U CN212738269U (en) | 2020-04-24 | 2020-04-24 | Steering pull rod for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212738269U true CN212738269U (en) | 2021-03-19 |
Family
ID=75003107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020644607.4U Active CN212738269U (en) | 2020-04-24 | 2020-04-24 | Steering pull rod for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212738269U (en) |
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2020
- 2020-04-24 CN CN202020644607.4U patent/CN212738269U/en active Active
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