CN213566113U - Single-side adjustment toe-in structure between pull rod and joint of commercial vehicle transverse/straight pull rod assembly - Google Patents
Single-side adjustment toe-in structure between pull rod and joint of commercial vehicle transverse/straight pull rod assembly Download PDFInfo
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- CN213566113U CN213566113U CN202022481122.0U CN202022481122U CN213566113U CN 213566113 U CN213566113 U CN 213566113U CN 202022481122 U CN202022481122 U CN 202022481122U CN 213566113 U CN213566113 U CN 213566113U
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Abstract
The utility model provides a tow structures before unilateral adjustment between pull rod and joint of horizontal/tie rod assembly of commercial car, connect including pull rod, the first joint and the second that are connected with the pull rod, pull rod wherein one end with first joint threaded connection and through bolt locking, still be equipped with the connecting rod between the other end of pull rod and the second joint, be threaded connection between pull rod and the connecting rod and through locking mechanism locking, rotate between connecting rod and the second joint and be connected, and lock on the second joint. The utility model adopts the locking nut to press the boss end of the connecting rod in the boss mounting cavity of the second joint, the two sides of the boss are in transition connection through two groups of plane balls, and after the nut is locked, the pull rod can rotate and the joint is not moved; the connecting structure of the other end of the pull rod and the first joint is unchanged from the original design. When the axle is assembled, only one side needs to be adjusted by rotating the pull rod, and the other side is not moved, so that the toe-in angle can be accurately adjusted, the adjusting time is greatly shortened, and the assembling efficiency is high.
Description
Technical Field
The utility model relates to an automobile structure technical field, the unilateral adjustment toe-in structure between pull rod and the joint of concretely relates to horizontal czochralski rod assembly of commercial car.
Background
At present, a tie rod assembly and a drag link in commercial vehicles in the marketJoint 1 of assembly1With a pull rod 21The connection (as shown in figure 1) is made by means of a bolt 31The screw thread with axial slot (pull rod screw slot or joint screw slot) is screwed (or held) tangentially, the pitch diameter of the slotted screw thread is reduced to eliminate the fit clearance of the screw thread connection pair and lock, so as to achieve the functions of connection and looseness prevention.
In the process of implementing the present invention, the inventor finds that:
the pull rod and the joint of horizontal/straight pull rod assembly are in threaded connection, when the locking needs to be adjusted, one side of the horizontal/straight pull rod assembly is adjusted, the other side of the horizontal/straight pull rod assembly rotates to generate axial displacement, so that the adjustment toe-in can not be adjusted accurately to adjust the angle, the automobile operation feeling is affected, and the adjustment time is too long.
Disclosure of Invention
When the regulation toe-in that leads to in order to solve the pull rod of the horizontal/tie rod assembly of current commercial car and joint connection structure, can not accurate angle regulation and influence the problem of car manipulation sense, adjusting time overlength simultaneously, the utility model provides a unilateral adjustment toe-in structure between pull rod and the joint of the horizontal/tie rod assembly of commercial car.
The invention conception is as follows: in view of the fact that in the prior art, when the front toe needs to be adjusted after locking, when one side of the front toe needs to be adjusted, the other side of the front toe also rotates to generate axial displacement, one side of the front toe is considered to be fixed, and the front toe can be accurately adjusted only by adjusting the other side.
Therefore, the technical scheme of the utility model is that: the unilateral adjustment toe-in structure between pull rod and the joint of horizontal/czochralski rod assembly of commercial car, including the pull rod, the first joint and the second joint that are connected with the pull rod, its characterized in that:
one end of the pull rod is in threaded connection with the first joint and is locked through a bolt, a connecting rod is arranged between the other end of the pull rod and the second joint,
the pull rod is in threaded connection with the connecting rod and locked through the locking mechanism, and the connecting rod is rotatably connected with the second joint.
Preferably, the specific structure that the pull rod is in threaded connection with the connecting rod and is locked by the locking mechanism is as follows: the end of the pull rod is of an internal thread structure, locking pin mounting through holes are radially formed in the outer peripheral surface of the pull rod, the end of the connecting rod is of a matched external thread structure, corresponding locking pin mounting through holes are radially formed in the outer peripheral surface of the connecting rod, and the connecting rod is locked through the locking pins.
Preferably, the connecting rod is rotatably connected with and locked on the second joint through a specific connecting structure, the end of the connecting rod extends outwards along the radial direction to form a boss, the connecting end of the second joint is of an external thread structure, a boss mounting cavity is formed in the end face of the second joint, the boss is pressed in the boss mounting cavity of the second joint through a locking nut with internal threads, and a locking mechanism is arranged between the locking nut and the second joint;
a set of balls are respectively arranged between the boss and the locking nut as well as between the boss and the second joint, coaxial and matched annular ball mounting grooves are respectively and symmetrically arranged on the two side surfaces of the boss and the corresponding locking nut as well as on the second joint, and the connecting rod is rotatably connected with the second joint through two sets of balls arranged in the annular ball mounting grooves.
Preferably, a specific structure of the locking mechanism between the locking nut and the second joint is that the locking nut and the second joint are radially provided with corresponding locking pin mounting through holes and are locked by the locking pins.
Has the advantages that:
the utility model adopts the locking nut to press the boss end of the connecting rod in the boss mounting cavity of the second joint, the two sides of the boss are in transition connection through two groups of plane balls, and after the nut is locked, the pull rod can rotate and the joint is not moved; the connecting structure of the other end of the pull rod and the first joint is unchanged from the original design. When the axle is assembled, only one side needs to be adjusted by rotating the pull rod, and the other side is not moved, so that the toe-in angle can be accurately adjusted, the adjusting time is greatly shortened, and the assembling efficiency is high.
Drawings
FIG. 1 is a drawing illustrating a connection structure of a tie bar and a joint in the prior art
Fig. 2 is a schematic view of the installation structure of the present invention.
Fig. 3 is a structural view of a second joint of the present invention.
Fig. 4 is a front view of the lock nut of the present invention.
Fig. 5 is a view from a-a of fig. 4.
Fig. 6 is a structural view of the connecting rod of the present invention.
Fig. 7 is a left side view of fig. 6.
Shown in the figure: 1. a pull rod; 1-1, installing a first through hole on a locking pin; 2. a first joint; 3. a second joint; 3-1, mounting a boss in a cavity; 3-2, installing a through hole IV in the locking pin; 4. a connecting rod; 4-1, boss; 5. a locking pin; 6. locking the nut; 6-1, annular limiting baffle plates; 6-2, installing a through hole III in the locking pin; 7. a ball bearing; 8. a bolt; 9. annular ball mounting groove.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The utility model discloses as shown in fig. 2 to 7:
a toe-in structure for single-side adjustment between a pull rod and a joint of a commercial vehicle transverse/straight pull rod assembly comprises a pull rod 1, a first joint 2 and a second joint 3 which are connected with the pull rod, wherein one end of the pull rod 1 is in threaded connection with the first joint 2 and is locked through a bolt 8, a connecting rod 4 is further arranged between the other end of the pull rod 1 and the second joint 3,
threaded connection is between pull rod 1 and connecting rod 4, wherein: the end of the pull rod 1 is of an internal thread structure, a locking pin mounting through hole I1-1 is radially arranged on the outer peripheral surface, the end of the connecting rod 4 is of a matched external thread structure, a corresponding locking pin mounting through hole II 4-2 is radially arranged on the outer peripheral surface, and the locking pin mounting through hole II is locked through a locking pin 5;
the connecting rod 4 is rotatably connected and locked on the second joint 3, the end of the connecting rod 4 is provided with a boss 4-1 in a radially outward extending mode, the connecting end of the second joint is of an external thread structure, a boss mounting cavity 3-1 is formed in the end face of the connecting rod, the boss is pressed and mounted in the boss mounting cavity of the second joint through a locking nut 6 with internal threads, and the locking nut and the second joint are radially provided with a locking pin mounting through hole III 6-2 and a locking pin mounting through hole IV 3-2 which correspond to each other and are locked through a locking pin 5;
a group of balls 7 are respectively arranged between the boss 4-1 and the locking nut 6, between the boss and the second joint 3 (namely, the boss is clamped between the two groups of balls), annular ball mounting grooves 9 which are coaxial and mutually matched are respectively and symmetrically arranged on the two side surfaces of the boss 4-1 and the corresponding locking nut (on the inner wall of the annular limiting baffle 6-1 of the locking nut) and the second joint (at the bottom of the boss mounting cavity 3-1), and the connecting rod is rotationally connected with the second joint through the two groups of balls arranged in the annular ball mounting grooves.
The utility model discloses an assembly method:
during assembly, a group of balls are placed on the bottom surface of the boss mounting cavity, the boss of the connecting rod is placed in the boss mounting cavity, the locking nut is sleeved on the connecting rod, another group of balls are placed between the locking nut and the boss, the locking nut is screwed, and the locking pin is inserted for locking; the other end of the connecting rod is in threaded connection with the first joint through rotating the connecting rod and is locked by inserting a locking pin.
The utility model discloses an innovation point lies in: the pull rod is not directly connected with the second joint and is connected with the second joint through a connecting rod, the connecting rod and the second joint are in transition connection through balls and can still rotate after being locked, the second joint is fixed, and meanwhile, the second joint is provided with a matched mounting structure; therefore, the toe-in angle can be accurately adjusted, the adjusting time is greatly shortened, and the assembling efficiency is improved.
Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The unilateral adjustment toe-in structure between pull rod and the joint of horizontal/czochralski rod assembly of commercial car, including the pull rod, the first joint and the second joint that are connected with the pull rod, its characterized in that:
one end of the pull rod is in threaded connection with the first joint and is locked through a bolt, a connecting rod is arranged between the other end of the pull rod and the second joint,
the pull rod is in threaded connection with the connecting rod and locked through the locking mechanism, and the connecting rod is rotatably connected with the second joint.
2. The single-side adjustment toe-in structure between the pull rod and the joint of the commercial vehicle transverse/straight pull rod assembly as claimed in claim 1, is characterized in that: the concrete structure that threaded connection is adopted between the pull rod and the connecting rod and the pull rod is locked through the locking mechanism is that the end of the pull rod is of an internal thread structure, locking pin installation through holes are radially arranged on the outer peripheral surface, the end of the connecting rod is of a matched external thread structure, corresponding locking pin installation through holes are radially arranged on the outer peripheral surface, and the connecting rod is locked through the locking pins.
3. The single-side adjustment toe-in structure between the pull rod and the joint of the commercial vehicle transverse/straight pull rod assembly according to claim 1 or 2, is characterized in that: the connecting rod is rotationally connected with and locked on the second joint in a specific connecting structure that the end of the connecting rod extends outwards along the radial direction and is provided with a boss, the connecting end of the second joint is of an external thread structure, a boss mounting cavity is arranged on the end face of the second joint, the boss is pressed in the boss mounting cavity of the second joint through a locking nut with internal threads, and a locking mechanism is arranged between the locking nut and the second joint;
a set of balls are respectively arranged between the boss and the locking nut as well as between the boss and the second joint, coaxial and matched annular ball mounting grooves are respectively and symmetrically arranged on the two side surfaces of the boss and the corresponding locking nut as well as on the second joint, and the connecting rod is rotatably connected with the second joint through two sets of balls arranged in the annular ball mounting grooves.
4. The single-side adjustment toe-in structure between the pull rod and the joint of the transverse/straight pull rod assembly of the commercial vehicle as claimed in claim 3, is characterized in that: the locking mechanism between the locking nut and the second joint has the specific structure that the locking nut and the second joint are radially provided with corresponding locking pin mounting through holes and are locked through the locking pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481122.0U CN213566113U (en) | 2020-11-02 | 2020-11-02 | Single-side adjustment toe-in structure between pull rod and joint of commercial vehicle transverse/straight pull rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022481122.0U CN213566113U (en) | 2020-11-02 | 2020-11-02 | Single-side adjustment toe-in structure between pull rod and joint of commercial vehicle transverse/straight pull rod assembly |
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| Publication Number | Publication Date |
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| CN213566113U true CN213566113U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022481122.0U Active CN213566113U (en) | 2020-11-02 | 2020-11-02 | Single-side adjustment toe-in structure between pull rod and joint of commercial vehicle transverse/straight pull rod assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954964A (en) * | 2021-11-01 | 2022-01-21 | 深圳市道通智能汽车有限公司 | Automobile toe-in adjusting method |
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2020
- 2020-11-02 CN CN202022481122.0U patent/CN213566113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954964A (en) * | 2021-11-01 | 2022-01-21 | 深圳市道通智能汽车有限公司 | Automobile toe-in adjusting method |
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