CN220180907U - Input shaft connecting structure of automobile steering gear - Google Patents
Input shaft connecting structure of automobile steering gear Download PDFInfo
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- CN220180907U CN220180907U CN202321629066.8U CN202321629066U CN220180907U CN 220180907 U CN220180907 U CN 220180907U CN 202321629066 U CN202321629066 U CN 202321629066U CN 220180907 U CN220180907 U CN 220180907U
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- input shaft
- steering gear
- connecting rod
- gear input
- steering
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- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model belongs to an input shaft connecting structure of an automobile steering gear in the technical field of automobile steering gears. The automobile steering device comprises a steering device input shaft (4) and a steering column lower yoke (3), wherein a connecting rod (5) is arranged on the steering device input shaft (4), a limiting ring groove (6) is arranged on the connecting rod (5), a connecting sleeve (7) is arranged on the steering column lower yoke (3), the automobile steering device input shaft connecting structure further comprises a limiting clamp (1), and the limiting clamp (1) is provided with a U-shaped clamping groove (8). The connecting structure of the input shaft of the automobile steering gear has a simple structure, effectively solves the problem of difficult axial alignment between the connecting sleeve (threaded hole) of the lower joint fork of the steering column and the input shaft of the steering gear in the assembly process of the lower joint fork (lower joint fork of the steering column) of the steering column and the input shaft of the steering gear, and improves the reliability of structural installation.
Description
Technical Field
The utility model belongs to the technical field of automobile steering gears, and particularly relates to an input shaft connecting structure of an automobile steering gear.
Background
In a passenger car steering system, a steering column connected with a steering wheel through a steering wheel drives a steering gear input shaft to rotate through an intermediate shaft of the steering column, so that torque transmission from a steering wheel end to a steering gear end is realized. In this torque transmission path, the steering column intermediate shaft lower yoke is connected to the steering gear input shaft by a spline, and this connection is fastened by a bolt. The connecting structure can enhance the locking force of the lower yoke of the steering column intermediate shaft and the steering gear input shaft besides realizing the flexible assembly of the steering gear and the steering column intermediate shaft. In the existing automobile steering system, when the steering column intermediate shaft lower yoke is assembled with the steering gear input shaft, an axial limiting structure is not arranged between a steering column intermediate shaft lower yoke threaded hole and a steering gear input shaft U-shaped groove, so that the centering of the steering column intermediate shaft lower yoke threaded hole and the steering gear input shaft U-shaped groove is difficult, and under the narrow assembly operation space of the lower part of a cockpit, the bolt assembly of the steering column intermediate shaft lower yoke is more inconvenient.
In the prior art, there is a technology named as an input shaft of an automobile steering gear and a publication number of 217477381U, the technology comprises an input shaft sleeve, a torsion bar is inserted in the input shaft sleeve, ceramic liners are fixedly connected to the inner walls of a first through hole and a second jack, an external protective sleeve is sleeved on the outer part of the input shaft sleeve, and an air cavity is arranged in the external protective sleeve. This car steering gear input shaft, through ceramic lining's setting, prevent that the moment of torsion is too big to lead to first through-hole and second jack edge to take place to warp, influence normal use for a long time, reached and improved life, through the setting of outside lag, reduce frictional force, the inside air cavity of outside lag can be when receiving the collision moreover, can reduce the buffering through the air cavity, has reached and has had good shock resistance, further improves the purpose to the protection of input axle sleeve.
However, this technique does not relate to the technical problem and technical solution of the present utility model.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the defects in the prior art, the automobile steering gear input shaft connecting structure has a simple structure, and effectively solves the problem of difficult axial alignment between a connecting sleeve (threaded hole) of a steering column lower yoke and a steering gear input shaft in the assembly process of the steering column intermediate shaft lower yoke (steering column lower yoke) and the steering gear input shaft.
The technical scheme adopted by the utility model is as follows:
the utility model relates to an input shaft connecting structure of an automobile steering gear, which comprises a steering gear input shaft and a steering column lower yoke, wherein a connecting rod is arranged on the steering gear input shaft, a limit ring groove is arranged on the connecting rod, a connecting sleeve is arranged on the steering column lower yoke, and the automobile steering gear input shaft connecting structure further comprises a limit clamp which is provided with a U-shaped clamping groove.
The connecting rod of the steering gear input shaft is inserted and connected with the connecting sleeve on the lower joint fork of the steering column, and the side surface of the connecting sleeve is provided with a positioning bolt.
The width of the U-shaped clamping groove of the limiting clamp is larger than the diameter of the limiting ring groove of the connecting rod, and the width of the U-shaped clamping groove of the limiting clamp is smaller than the diameter of the connecting rod.
The limiting clamp comprises a limiting clamp end, the U-shaped clamping groove is formed in the position of the limiting clamp end, and the width dimension of the limiting clamp end is larger than the diameter of the connecting rod.
The limiting card is of a structure made of plastic materials.
The U-shaped clamping groove of the limiting clamp is arranged to be capable of being clamped in the limiting ring groove on the connecting rod.
When the U-shaped clamping groove of the limiting clamp is clamped in the limiting ring groove on the connecting rod, the limiting clamp end of the limiting clamp is arranged to be capable of propping against the lower end face of the ring groove of the limiting ring groove.
When the connecting rod of the steering gear input shaft is inserted and connected with the connecting sleeve on the lower joint fork of the steering column, the U-shaped clamping groove of the limiting clamp is of a structure capable of being clamped in the limiting ring groove on the connecting rod.
The connecting rod of the steering gear input shaft is provided with an axial tooth part, and the axial tooth part on the connecting rod is also provided with a limiting concave table.
By adopting the technical scheme of the utility model, the working principle and the beneficial effects are as follows:
when the structure is arranged, on one hand, the connecting rod is arranged on the steering gear input shaft, the limiting ring groove is arranged on the connecting rod, and on the other hand, the limiting clamp is arranged, and the U-shaped clamping groove is arranged on the limiting clamp. When the steering gear input shaft is connected with the steering column lower yoke, the connecting rod of the steering gear input shaft is inserted into the connecting sleeve on the steering column lower yoke, the side surface of the connecting sleeve is provided with the positioning bolt, and when the positioning bolt is screwed down, the positioning bolt abuts against the side surface of the connecting rod, so that the steering gear input shaft is reliably connected with the steering column lower yoke. When the steering gear input shaft is connected with the steering column lower yoke, the relative axial positions of the steering gear input shaft and the steering column lower yoke are limited, the limiting clamp is clamped in the limiting ring groove of the steering gear input shaft, at the moment, when the steering column intermediate shaft lower yoke is assembled with the steering gear input shaft, the steering column intermediate shaft lower yoke end face contacts with the limiting clamp end face, the limiting clamp reliably limits the axial position of the steering column lower yoke, and then a positioning bolt at the steering column intermediate shaft lower yoke is installed, and at the moment, the bolt is not fastened; taking out the limit card; and fastening the bolts according to the moment requirement to finish the assembly. According to the structure, the limiting clamp is arranged on the steering gear input shaft, so that axial displacement in the assembly process of the lower yoke of the steering column intermediate shaft and the steering gear input shaft is effectively limited, and the assembly of the lower yoke of the steering column intermediate shaft and the steering gear input shaft in a narrow space is greatly facilitated; the limit card can be recycled, the cost is low, and the limit card is provided with the pull ring, so that the limit card is convenient to assemble and take out, and the operability is high.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic diagram of an input shaft connection structure of an automotive steering gear according to the present utility model;
FIG. 2 is a schematic illustration of a steering gear input shaft of the automotive steering gear input shaft connection structure of the present utility model;
FIG. 3 is a schematic diagram of a limiting card of an input shaft connection structure of an automobile steering gear according to the present utility model;
the reference numerals in the figures are respectively: 1. a limit clamp; 2. positioning bolts; 3. a steering column lower yoke; 4. a diverter input shaft; 5. a connecting rod; 6. a limit ring groove; 7. connecting sleeves; 8. a U-shaped clamping groove; 9. a limit clamp end; 10. the lower end surface of the ring groove; 11. an axial tooth; 12. a limit concave table; 13. and (5) a pull ring.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present utility model by describing examples in further detail:
as shown in fig. 1-3, the utility model relates to an input shaft connecting structure of an automobile steering gear, which comprises a steering gear input shaft 4 and a steering column lower yoke 3, wherein a connecting rod 5 is arranged on the steering gear input shaft 4, a limit ring groove 6 is arranged on the connecting rod 5, a connecting sleeve 7 is arranged on the steering column lower yoke 3, the input shaft connecting structure of the automobile steering gear also comprises a limit clamp 1, and the limit clamp 1 is provided with a U-shaped clamping groove 8. The structure provides an improved technical scheme aiming at the defects in the prior art. When the structure is set up, on the one hand, set up connecting rod 5 on steering gear input shaft 4, set up spacing annular 6 on the connecting rod 5, on the other hand, set up spacing card 1, spacing card 1 sets up U-shaped draw-in groove 8. When the steering gear input shaft 4 is connected with the steering column lower yoke 3, the steering gear input shaft 4 is connected with the connecting sleeve 7 on the steering column lower yoke 3 in a plug-in manner, the side surface of the connecting sleeve 7 is provided with the positioning bolt 2, and when the positioning bolt 2 is screwed down, the positioning bolt 2 abuts against the side surface of the connecting rod, so that the steering gear input shaft 4 is reliably connected with the steering column lower yoke 3. When the steering gear input shaft 4 is connected with the steering column lower yoke 3, the relative axial positions of the steering gear input shaft 4 and the steering column lower yoke 3 are required to be limited, the limiting clamp 1 is clamped in the limiting ring groove 6 of the steering gear input shaft 4, at the moment, when the steering column middle shaft lower yoke 3 is assembled with the steering gear input shaft 4, the lower end face of the steering column middle shaft lower yoke 3 is contacted with the limiting clamp end face, the limiting clamp reliably limits the axial position of the steering column lower yoke 3, and then a positioning bolt 2 at the steering column middle shaft lower yoke is installed, and at the moment, the bolt 2 is not fastened; taking out the limit card 1; and fastening the bolts 2 according to the moment requirement to finish the assembly. According to the structure, the limiting clamp is arranged on the steering gear input shaft, so that axial displacement in the assembly process of the lower yoke of the steering column intermediate shaft and the steering gear input shaft is effectively limited, and the assembly of the lower yoke of the steering column intermediate shaft and the steering gear input shaft in a narrow space is greatly facilitated; the limit card can be recycled, the cost is low, and the pull ring 13 is arranged on the limit card, so that the limit card is convenient to assemble and take out, and the operability is high. The connecting structure of the input shaft of the automobile steering gear has a simple structure, effectively solves the problem of difficult axial alignment between the connecting sleeve (threaded hole) of the lower joint fork of the steering column and the input shaft of the steering gear in the assembly process of the lower joint fork (lower joint fork of the steering column) of the steering column and the input shaft of the steering gear, and improves the reliability of structural installation.
The connecting rod 5 of the steering gear input shaft 4 is inserted and connected with the connecting sleeve 7 on the steering column lower yoke 3, and the side surface of the connecting sleeve 7 is provided with the positioning bolt 2. According to the structure, when the steering gear input shaft 4 is connected with the steering column lower yoke 3, the connecting rod 5 of the steering gear input shaft 4 is inserted into the connecting sleeve 7 on the steering column lower yoke 3, the side surface of the connecting sleeve 7 is provided with the positioning bolt 2, and when the positioning bolt 2 is screwed, the positioning bolt 2 abuts against the side surface of the connecting rod, so that the steering gear input shaft 4 is reliably connected with the steering column lower yoke 3, and the axial position is ensured.
The width of the U-shaped clamping groove 8 of the limiting clamp 1 is larger than the diameter of the limiting ring groove 6 of the connecting rod 5, and the width of the U-shaped clamping groove 8 of the limiting clamp 1 is smaller than the diameter of the connecting rod 5. The limiting clamp 1 comprises a limiting clamp end 9,U-shaped clamping groove 8 arranged at the position of a limiting clamp end 9, and the width dimension of the limiting clamp end 9 is larger than the diameter of the connecting rod 5. According to the structure, when the limiting clamp is used, the limiting clamp is ensured to be reliably clamped in the limiting ring groove 6, cannot fall off, cannot easily move along the axis, and can be ensured to limit the end face of the lower joint fork 3 of the steering column, so that the axial limiting is realized.
The limit card 1 is made of plastic material. The limit card 1 has the advantages of low cost, convenient manufacture, repeated use and reduced manufacturing cost.
The U-shaped clamping groove 8 of the limiting clamp 1 is arranged into a structure capable of being clamped in the limiting ring groove 6 on the connecting rod 5. When the U-shaped clamping groove 8 of the limiting clamp 1 is clamped in the limiting ring groove 6 on the connecting rod 5, the limiting clamp end 9 of the limiting clamp 1 is arranged to be capable of propping against the lower end face 10 of the ring groove of the limiting ring groove 6. When the connecting rod 5 of the steering gear input shaft 4 is inserted and connected with the connecting sleeve 7 on the steering column lower yoke 3, the U-shaped clamping groove 8 of the limiting clamp 1 is of a structure capable of being clamped in the limiting ring groove 6 on the connecting rod 5.
The connecting rod 5 of the steering gear input shaft 4 is provided with an axial tooth part 11, and the position of the axial tooth part 11 on the connecting rod 5 is also provided with a limiting concave table 12. According to the structure, when the connecting rod 5 of the steering gear input shaft 4 is inserted and connected with the connecting sleeve 7 on the steering column lower yoke 3, the connecting sleeve is of a threaded hole structure, threads of the threaded holes are axially arranged along the inner wall of the connecting sleeve, so that the axial tooth parts 11 on the connecting rod 5 are ensured to be clamped in the threaded holes in the connecting sleeve, the steering gear input shaft 4 and the steering column lower yoke 3 cannot rotate relatively, after the steering gear input shaft 4 and the steering column lower yoke 3 are connected, the positioning bolts 2 are screwed until reliably abutting against the limiting concave tables 12 of the axial tooth parts 11, and axial positioning is achieved.
When the structure is arranged, the connecting rod 5 is arranged on the steering gear input shaft 4, the limiting ring groove 6 is arranged on the connecting rod 5, and the limiting clamp 1 is arranged on the other hand, and the U-shaped clamping groove 8 is arranged on the limiting clamp 1. When the steering gear input shaft 4 is connected with the steering column lower yoke 3, the steering gear input shaft 4 is connected with the connecting sleeve 7 on the steering column lower yoke 3 in a plug-in manner, the side surface of the connecting sleeve 7 is provided with the positioning bolt 2, and when the positioning bolt 2 is screwed down, the positioning bolt 2 abuts against the side surface of the connecting rod, so that the steering gear input shaft 4 is reliably connected with the steering column lower yoke 3. When the steering gear input shaft 4 is connected with the steering column lower yoke 3, the relative axial positions of the steering gear input shaft 4 and the steering column lower yoke 3 are required to be limited, the limiting clamp 1 is clamped in the limiting ring groove 6 of the steering gear input shaft 4, at the moment, when the steering column middle shaft lower yoke 3 is assembled with the steering gear input shaft 4, the lower end face of the steering column middle shaft lower yoke 3 is contacted with the limiting clamp end face, the limiting clamp reliably limits the axial position of the steering column lower yoke 3, and then a positioning bolt 2 at the steering column middle shaft lower yoke is installed, and at the moment, the bolt 2 is not fastened; taking out the limit card 1; and fastening the bolts 2 according to the moment requirement to finish the assembly. According to the structure, the limiting clamp is arranged on the steering gear input shaft, so that axial displacement in the assembly process of the lower yoke of the steering column intermediate shaft and the steering gear input shaft is effectively limited, and the assembly of the lower yoke of the steering column intermediate shaft and the steering gear input shaft in a narrow space is greatly facilitated; the limit card can be recycled, the cost is low, and the pull ring 13 is arranged on the limit card, so that the limit card is convenient to assemble and take out, and the operability is high.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the utility model is not limited by the foregoing, but rather is within the scope of the utility model as long as various modifications are made by the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without modification.
Claims (9)
1. An automobile steering ware input shaft connection structure, its characterized in that: the automobile steering device comprises a steering device input shaft (4) and a steering column lower yoke (3), wherein a connecting rod (5) is arranged on the steering device input shaft (4), a limiting ring groove (6) is arranged on the connecting rod (5), a connecting sleeve (7) is arranged on the steering column lower yoke (3), the automobile steering device input shaft connecting structure further comprises a limiting clamp (1), and the limiting clamp (1) is provided with a U-shaped clamping groove (8).
2. The automobile steering gear input shaft connecting structure according to claim 1, wherein: the connecting rod (5) of the steering gear input shaft (4) is inserted and connected with the connecting sleeve (7) on the steering column lower joint fork (3), and the side surface of the connecting sleeve (7) is provided with the positioning bolt (2).
3. The automobile steering gear input shaft connecting structure according to claim 1 or 2, characterized in that: the width of the U-shaped clamping groove (8) of the limiting clamp (1) is larger than the diameter of the limiting ring groove (6) of the connecting rod (5), and the width of the U-shaped clamping groove (8) of the limiting clamp (1) is smaller than the diameter of the connecting rod (5).
4. A steering gear input shaft connection structure for an automobile as claimed in claim 3, wherein: the limiting clamp (1) comprises a limiting clamp end (9), the U-shaped clamping groove (8) is formed in the position of the limiting clamp end (9), and the width of the limiting clamp end (9) is larger than the diameter of the connecting rod (5).
5. The automobile steering gear input shaft connecting structure according to claim 1 or 2, characterized in that: the limiting card (1) is of a structure made of plastic materials.
6. The automobile steering gear input shaft connecting structure according to claim 1 or 2, characterized in that: the U-shaped clamping groove (8) of the limiting clamp (1) is of a structure capable of being clamped in the limiting ring groove (6) on the connecting rod (5).
7. The automobile steering gear input shaft connecting structure according to claim 6, wherein: when the U-shaped clamping groove (8) of the limiting clamp (1) is clamped in the limiting ring groove (6) on the connecting rod (5), the limiting clamp end (9) of the limiting clamp (1) is of a structure capable of propping against the lower end face (10) of the ring groove of the limiting ring groove (6).
8. The automobile steering gear input shaft connecting structure according to claim 1 or 2, characterized in that: when the connecting rod (5) of the steering gear input shaft (4) is inserted and connected with the connecting sleeve (7) on the steering column lower joint fork (3), the U-shaped clamping groove (8) of the limiting clamp (1) is of a structure capable of being clamped in the limiting ring groove (6) on the connecting rod (5).
9. The automobile steering gear input shaft connecting structure according to claim 2, characterized in that: an axial tooth part (11) is arranged on a connecting rod (5) of the steering gear input shaft (4), and a limit concave table (12) is further arranged at the position of the axial tooth part (11) on the connecting rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629066.8U CN220180907U (en) | 2023-06-26 | 2023-06-26 | Input shaft connecting structure of automobile steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321629066.8U CN220180907U (en) | 2023-06-26 | 2023-06-26 | Input shaft connecting structure of automobile steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180907U true CN220180907U (en) | 2023-12-15 |
Family
ID=89107484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321629066.8U Active CN220180907U (en) | 2023-06-26 | 2023-06-26 | Input shaft connecting structure of automobile steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180907U (en) |
-
2023
- 2023-06-26 CN CN202321629066.8U patent/CN220180907U/en active Active
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