CN219854264U - Steering shaft and upper pipe column assembly fixture of automobile steering pipe column - Google Patents
Steering shaft and upper pipe column assembly fixture of automobile steering pipe column Download PDFInfo
- Publication number
- CN219854264U CN219854264U CN202321182462.0U CN202321182462U CN219854264U CN 219854264 U CN219854264 U CN 219854264U CN 202321182462 U CN202321182462 U CN 202321182462U CN 219854264 U CN219854264 U CN 219854264U
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- steering shaft
- steering
- guide sleeve
- upper column
- column
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- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of steering systems, in particular to a steering shaft and upper pipe column assembly fixture of an automobile steering pipe column. An automobile steering column's steering spindle and last tubular column assembly jig, its characterized in that: the upper clamp comprises a pressure head and a steering shaft guide sleeve, the steering shaft guide sleeve is of a hollow sleeve structure, and the pressure head is embedded in the top of the steering shaft guide sleeve; the lower clamp comprises a steering shaft limiting seat, an upper column tube guide sleeve and a base, wherein the base is connected with the upper column tube guide sleeve through an upper column tube guide sleeve bolt, the steering shaft limiting seat is arranged in the upper column tube guide sleeve, and the bottom of the steering shaft limiting seat is connected with the base through a steering shaft limiting seat bolt. Compared with the prior art, the assembly fixture for the steering shaft and the upper column tube of the automobile steering column has the advantages that the assembly requirements of the steering shaft and the upper column tube of the automobile steering column can be met, the assembly quality is high, the operation is convenient and fast, the universality is high, and the assembly efficiency of the steering shaft and the upper column tube is improved.
Description
Technical Field
The utility model relates to the technical field of steering systems, in particular to a steering shaft and upper pipe column assembly fixture of an automobile steering pipe column.
Background
The electric steering column consists of a driving unit and a column, one end of the electric steering column is connected with a steering wheel, and the other end of the electric steering column is connected with a lower steering system. The lower protective tube of the driving unit is internally provided with an input shaft, the upper column tube of the column is internally provided with a steering shaft, and when the driving unit and the column are assembled, the upper column tube is sleeved into the lower protective tube, and the steering shaft is sleeved into the input shaft. When the driver rotates the steering wheel, the steering shaft drives the input shaft to rotate, and then drives the lower steering system to rotate, so that the steering function of the automobile is realized. The coaxiality of the whole shafting directly influences steering feel, so that the coaxiality of the steering shaft in the upper column tube is required to be higher. The steering wheel is mounted on the steering shaft, and the position of the steering shaft mounted on the upper column tube directly influences the position of the steering wheel in the cab, so that the assembly position of the steering shaft has high requirements.
As shown in fig. 1, the upper column tube is provided with a ball bearing, and the outer diameter of the lock sleeve on the steering shaft is larger than the inner diameter of the ball bearing, so that the steering shaft can only be assembled into the ball bearing inner ring from one direction when the steering shaft and the upper column tube are assembled. The end face of the steering shaft has a certain distance with the inner ring of the ball bearing, and the stress surface is respectively the inner ring of the ball bearing and the end face of the steering shaft when in press fitting, and the steering shaft and the inner ring of the ball bearing are required to be coaxial.
In general, special equipment is required to meet the assembly requirements of steering shafts and upper column tubes, and in the sample trial manufacturing stage, in order to realize the press fitting of the steering shafts and the upper column tubes of steering columns of different types efficiently and conveniently, the special equipment is long in manufacturing period and high in cost, so that a set of assembly fixture is designed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the assembly fixture for the steering shaft and the upper column pipe of the automobile steering column, which can meet the assembly requirements of the steering shaft and the upper column pipe of the automobile steering column, has high assembly quality, convenient operation and strong universality, and improves the assembly efficiency of the steering shaft and the upper column pipe.
In order to achieve the above purpose, a steering shaft and an upper pipe column assembly fixture of an automobile steering pipe column are designed, and the assembly fixture comprises an upper fixture and a lower fixture, and is characterized in that: the upper clamp comprises a pressure head and a steering shaft guide sleeve, the steering shaft guide sleeve is of a hollow sleeve structure, and the pressure head is embedded in the top of the steering shaft guide sleeve; the lower clamp comprises a steering shaft limiting seat, an upper column tube guide sleeve and a base, wherein the base is connected with the upper column tube guide sleeve through an upper column tube guide sleeve bolt, the steering shaft limiting seat is arranged in the upper column tube guide sleeve, and the bottom of the steering shaft limiting seat is connected with the base through a steering shaft limiting seat bolt.
The pressure head is of a T-shaped cylindrical structure, and the diameter of the upper part of the pressure head is larger than that of the lower part of the pressure head.
The steering shaft guide sleeve is of a T-shaped sleeve structure, and the diameter of the upper part of the steering shaft guide sleeve is larger than that of the lower part of the steering shaft guide sleeve.
The top of the steering shaft limiting seat is of a frustum structure.
The height of the steering shaft limiting seat is lower than that of the upper column tube guide sleeve.
The bottom of the upper column tube guide sleeve is connected with the base through an upper column tube guide sleeve bolt.
Compared with the prior art, the assembly fixture for the steering shaft and the upper column pipe of the automobile steering column can meet the assembly requirements of the steering shaft and the upper column pipe of the automobile steering column, has high assembly quality, is convenient to operate and high in universality, and improves the assembly efficiency of the steering shaft and the upper column pipe.
Drawings
Fig. 1 is a schematic view of the connection of the upper column tube and the steering shaft.
FIG. 2 is a schematic diagram of the structure of the present utility model.
Fig. 3 is a schematic diagram of the connection between the steering shaft limit seat and the base.
Fig. 4 is a schematic diagram of the connection of the upper column guide sleeve and the base.
Fig. 5 is a schematic view of the use process of the lower clamp.
Fig. 6 is a schematic view of the use process of the upper clamp.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the upper column tube 8 is provided with a ball bearing 10, and since the outer diameter of the lock sleeve on the steering shaft 9 is larger than the inner diameter of the ball bearing 10, the steering shaft 9 can be fitted into the inner ring of the ball bearing 10 only from one direction when the steering shaft 9 and the upper column tube 8 are assembled. The end face of the steering shaft 9 has a certain distance with the inner ring of the ball bearing 10, and the stress surface is respectively the inner ring of the ball bearing 10 and the end face of the steering shaft 9 when in press fitting, and the steering shaft 9 and the inner ring of the ball bearing 10 are required to be ensured to be coaxial.
Therefore, a steering shaft and upper pipe column assembly fixture of an automobile steering pipe column is designed, and as shown in fig. 2 to 4, the fixture comprises an upper fixture and a lower fixture, the upper fixture comprises a pressure head and a steering shaft guide sleeve, the steering shaft guide sleeve 2 is of a hollow sleeve structure, and the pressure head 1 is embedded in the top of the steering shaft guide sleeve 2; the lower fixture comprises a steering shaft limiting seat, an upper column pipe guide sleeve and a base, wherein the base 5 is connected with the upper column pipe guide sleeve 4 through an upper column pipe guide sleeve bolt 7, a steering shaft limiting seat 3 is arranged in the upper column pipe guide sleeve 4, and the bottom of the steering shaft limiting seat 3 is connected with the base 5 through a steering shaft limiting seat bolt 6.
The pressure head 1 is of a T-shaped cylindrical structure, and the diameter of the upper part of the pressure head 1 is larger than that of the lower part of the pressure head 1.
The steering shaft guide sleeve 2 is of a T-shaped sleeve structure, and the diameter of the upper part of the steering shaft guide sleeve 2 is larger than that of the lower part of the steering shaft guide sleeve 2.
The top of the steering shaft limiting seat 3 is of a frustum structure.
The height of the steering shaft limiting seat 3 is lower than that of the upper column tube guide sleeve 4
The bottom of the upper column tube guiding sleeve 4 is connected with the base 5 through an upper column tube guiding sleeve bolt 7.
As shown in fig. 5, the outer ring of the upper column tube 8 is matched with the inner ring of the upper column tube guide sleeve 4 to straighten the upper column tube 8, the inner ring of the ball bearing 10 in the upper column tube 8 is contacted with the end surface of the steering shaft limit seat 3, and the inner ring of the ball bearing 10 is ensured to be stressed during press mounting.
The outer ring of the steering shaft 9 is matched with the inner ring of the steering shaft limiting seat 3, the length of the steering shaft limiting seat 3 is just equal to the distance between the end face of the steering shaft 9 and the inner ring of the ball bearing 10, and when the end face of the steering shaft 9 is pressed and assembled to be in contact with the base 5, the distance requirement between the end face of the steering shaft 9 and the inner ring of the ball bearing 10 is just met.
As shown in fig. 6, the outer ring of the steering shaft guide sleeve 2 is engaged with the inner ring of the upper column tube 8, the inner ring of the steering shaft guide sleeve 2 is engaged with the outer ring of the steering shaft 9, and after the steering shaft guide sleeve 2 is fitted, the coaxiality of the steering shaft 9 and the upper column tube 8 is ensured.
The diameter of the outer ring of the pressure head 1 is equal to the outer diameter of the steering shaft 9, the pressure head 1 is matched with the inner ring of the steering shaft guide sleeve 2, and after the pressure head 1 is installed, the end face of the pressure head 1 is contacted with the steering shaft 9, and the stress surface of the steering shaft 9 is the end face.
The steering shaft limiting seat 3 is fixed on the base 5 through three bolts, and can be conveniently disassembled and replaced according to the distance requirement of the end face of the steering shaft 9 and the inner ring of the ball bearing 10 and the diameter of the inner ring of the ball bearing 10. The upper column tube guide sleeve 4 is fixed on the base 5 through three bolts, and can be conveniently assembled, disassembled and replaced according to the outer diameter size of the upper column tube 8.
Through changing steering spindle uide bushing, go up the spacing seat of steering spindle, pressure head, alright realize the steering spindle and go up the tubular assembly of column of different model steering column, the commonality is strong.
The fixture disclosed by the utility model has the advantages of compact structure, convenience in operation, high assembly precision, convenience in assembly and disassembly of products and effectively improved assembly efficiency.
Claims (6)
1. The utility model provides a steering spindle of car steering column and last tubular column assembly jig, includes anchor clamps, lower anchor clamps, its characterized in that: the upper clamp comprises a pressure head and a steering shaft guide sleeve, the steering shaft guide sleeve (2) is of a hollow sleeve structure, and the pressure head (1) is embedded in the top of the steering shaft guide sleeve (2); the lower clamp comprises a steering shaft limiting seat, an upper column tube guide sleeve and a base, wherein the base (5) is connected with the upper column tube guide sleeve (4) through an upper column tube guide sleeve bolt (7), the steering shaft limiting seat (3) is arranged in the upper column tube guide sleeve (4), and the bottom of the steering shaft limiting seat (3) is connected with the base (5) through a steering shaft limiting seat bolt (6).
2. The steering shaft and upper column assembly jig for an automotive steering column of claim 1, wherein: the pressure head (1) is of a T-shaped cylindrical structure, and the diameter of the upper part of the pressure head (1) is larger than that of the lower part of the pressure head (1).
3. The steering shaft and upper column assembly jig for an automotive steering column of claim 1, wherein: the steering shaft guide sleeve (2) is of a T-shaped sleeve structure, and the diameter of the upper part of the steering shaft guide sleeve (2) is larger than that of the lower part of the steering shaft guide sleeve (2).
4. The steering shaft and upper column assembly jig for an automotive steering column of claim 1, wherein: the top of the steering shaft limiting seat (3) is of a frustum structure.
5. A steering shaft and upper column assembly jig for an automotive steering column according to claim 1 or 4, wherein: the height of the steering shaft limiting seat (3) is lower than that of the upper column tube guide sleeve (4).
6. The steering shaft and upper column assembly jig for an automotive steering column of claim 1, wherein: the bottom of the upper column tube guide sleeve (4) is connected with the base (5) through an upper column tube guide sleeve bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182462.0U CN219854264U (en) | 2023-05-17 | 2023-05-17 | Steering shaft and upper pipe column assembly fixture of automobile steering pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182462.0U CN219854264U (en) | 2023-05-17 | 2023-05-17 | Steering shaft and upper pipe column assembly fixture of automobile steering pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219854264U true CN219854264U (en) | 2023-10-20 |
Family
ID=88325535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321182462.0U Active CN219854264U (en) | 2023-05-17 | 2023-05-17 | Steering shaft and upper pipe column assembly fixture of automobile steering pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219854264U (en) |
-
2023
- 2023-05-17 CN CN202321182462.0U patent/CN219854264U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |