CN211308706U - Steering column outer pipe and connecting structure - Google Patents
Steering column outer pipe and connecting structure Download PDFInfo
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- CN211308706U CN211308706U CN201922022897.9U CN201922022897U CN211308706U CN 211308706 U CN211308706 U CN 211308706U CN 201922022897 U CN201922022897 U CN 201922022897U CN 211308706 U CN211308706 U CN 211308706U
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- outer tube
- reinforcement
- steering column
- bearing
- column outer
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Abstract
The utility model discloses a steering column outer tube and connection structure, the steering column outer tube includes: the pipe column comprises a pipe column body (1), wherein a bearing installation part (11) used for sleeving a bearing is arranged on the pipe column body (1), and a reinforcing piece (2) made of a solid extensible material and used for supporting the bearing installation part (11) is inserted into the pipe column body (1). The utility model discloses an increase the reinforcement of solid extensible material in the steering column outer tube, guaranteed the intensity of bearing installation department on the one hand, on the other hand has improved the natural frequency of steering column outer tube, and simultaneously, the reinforcement has the ductility, consequently can guarantee through extension when the die forging compression with the inseparable laminating of steering column outer tube inner wall, further improved natural frequency.
Description
Technical Field
The utility model relates to a relevant technical field of car, especially a steering column outer tube and connection structure.
Background
In the conventional outer tube of the steering column, as shown in fig. 1, a bearing 2 'needs to pass through the outer tube 1'. For this reason, the prior art adds a steel sleeve 3 'to the inner wall of the outer tube 1' of the steering column corresponding to the bearing mounting portion to improve natural frequency and torsional rigidity.
The natural frequency of steering column outer tube can be increased to the mode of this kind of thickening inner wall of above-mentioned prior art, but the steel sleeve has probably drops in the outer tube in the use for the steel sleeve leaves the bearing installation department and can't produce effectual support to the bearing.
Another prior art technique employs increasing the original tube wall thickness of the outer tube of the steering column to increase the natural frequency and torsional stiffness. When the outer tube 1' of the steering column is compressed, the thickened original tube wall material will cause the transition zone to buckle, and the natural frequency material costs will also rise.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a steering column outer tube and a connection structure for solving the technical problems of low natural frequency and torsional rigidity of a bearing mounting portion of a steering column outer tube in the related art.
The utility model provides a steering column outer tube, include: the pipe column body, be provided with the bearing installation department that is used for the cover to establish the bearing on the pipe column body, insert the support in the pipe column body the reinforcement of the solid extensible material of bearing installation department.
Further, the reinforcing member is an aluminum reinforcing member.
Further, the reinforcing member is an aluminum block.
Further, the bearing mounting portion is swaged and compression molded.
Further, the bearing mounting portion has a first mounting end portion and a second mounting end portion in the axial direction of the column body, and the reinforcement is at least partially between the first mounting end portion and the second mounting end portion.
Still further, the reinforcement has a first reinforcement end and a second reinforcement end along the tubular string body axis direction, the first installation end being between the first reinforcement end and the second reinforcement end, the second installation end being between the first reinforcement end and the second reinforcement end.
Still further, the first mounting end is a distance from the first stiffener end that is equal to a distance from the second mounting end to the second stiffener end.
Still further, the first mounting end is not equidistant from the first stiffener end as the second mounting end is equidistant from the second stiffener end.
The utility model provides a steering column outer tube connection structure, include as before steering column outer tube and bearing, the bearing housing is established the tubular column body outside the bearing installation department.
The utility model discloses an increase the reinforcement of solid extensible material in the steering column outer tube, guaranteed the intensity of bearing installation department on the one hand, on the other hand has improved the natural frequency of steering column outer tube, and simultaneously, the reinforcement has the ductility, consequently can guarantee through extension when the die forging compression with the inseparable laminating of steering column outer tube inner wall, further improved natural frequency.
Drawings
FIG. 1 is a schematic view of a conventional reinforcement of an outer tube of a steering column;
fig. 2 is a schematic structural view of the steering column outer tube before die forging of the present invention;
FIG. 3 is a schematic structural view of an outer tube of a steering column according to the present invention;
fig. 4 is a schematic structural view of the connection structure of the outer tube of the steering column of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 2 to 3, the utility model relates to a steering column outer tube, include: the pipe column comprises a pipe column body 1, wherein a bearing installation part 11 used for sleeving a bearing is arranged on the pipe column body 1, and a reinforcing part 2 made of solid extensible materials and used for supporting the bearing installation part 11 is inserted into the pipe column body 1.
Specifically, as shown in fig. 2, before swaging, a solid ductile material is inserted into the column body 1 and placed at a position corresponding to the inner wall of the bearing mounting portion 11. The position of the bearing mounting portion 11 is subjected to swaging compression, and the column body 1 shown in fig. 3 is obtained. Since the reinforcing member 2 is a solid ductile material, it can be extended and expanded upon swaging compression, thereby ensuring a close fit with the inner wall of the column body 1.
The utility model discloses an increase the reinforcement of solid extensible material in the steering column outer tube, guaranteed the intensity of bearing installation department on the one hand, on the other hand has improved the natural frequency of steering column outer tube, and simultaneously, the reinforcement has the ductility, consequently can guarantee through extension when the die forging compression with the inseparable laminating of steering column outer tube inner wall, further improved natural frequency.
In one embodiment, the stiffener 2 is an aluminum stiffener.
Natural frequency although this embodiment uses an aluminum material having a relatively low natural frequency, the natural frequency of the steering column outer tube as a whole can be effectively improved. In addition, compared with sheet metal materials, aluminum materials with lower natural frequency are more advantageous in terms of material cost, processing technology and the like.
In one embodiment, the stiffener 2 is an aluminum block.
In one embodiment, the bearing mounting portion 11 is swaged and compression molded.
Because the solid ductile material is adopted as the reinforcing piece, the natural frequency of the outer pipe of the steering column after the swaging compression can be obviously improved.
In one embodiment, the bearing mounting portion 11 has a first mounting end and a second mounting end along the axial direction of the column body 1, with the reinforcement 2 at least partially therebetween.
This embodiment ensures the support of the bearing mounting portion 11 by the reinforcing member 2.
In one embodiment, the reinforcement 2 has a first reinforcement end and a second reinforcement end along the axial direction of the tubular column body 1, the first installation end being between the first reinforcement end and the second reinforcement end, and the second installation end being between the first reinforcement end and the second reinforcement end.
The reinforcing member 2 of the present embodiment integrally supports the bearing mounting portion 11.
In one embodiment, the first mounting end is a distance from the first stiffener end equal to a distance from the second mounting end to the second stiffener end.
In one embodiment, the first mounting end is a different distance from the first stiffener end than the second mounting end is from the second stiffener end.
As shown in fig. 4, the utility model relates to a steering column outer tube connection structure, include as before steering column outer tube and bearing 3, 3 covers of bearing are established tubular column body 1 outside the bearing installation department 11.
Specifically, as shown in fig. 2, before swaging, a solid ductile material is inserted into the column body 1 and placed at a position corresponding to the inner wall of the bearing mounting portion 11. The position of the bearing mounting portion 11 is subjected to swaging compression, and the column body 1 shown in fig. 3 is obtained. Since the reinforcing member 2 is a solid ductile material, it can be extended and expanded upon swaging compression, thereby ensuring a close fit with the inner wall of the column body 1. Finally, the bearing 3 is sleeved outside the bearing mounting part 11 of the column body 1, and the steering column outer tube connecting structure shown in fig. 4 is obtained.
The utility model discloses an increase the reinforcement of solid extensible material in the steering column outer tube, guaranteed the intensity of bearing installation department on the one hand, on the other hand has improved the natural frequency of steering column outer tube, and simultaneously, the reinforcement has the ductility, consequently can guarantee through extension when the die forging compression with the inseparable laminating of steering column outer tube inner wall, further improved natural frequency.
As shown in fig. 2 to 4, a steering column outer tube connecting structure according to a preferred embodiment of the present invention includes a steering column outer tube and a bearing 3;
the steering column outer tube includes: tubular column body 1, be provided with the bearing installation department 11 that is used for the cover to establish the bearing on the tubular column body 1, insert the support in the tubular column body 1 the reinforcement 2 of the solid extensible material of bearing installation department 11, wherein reinforcement 2 is the aluminium pig, 11 die forging compression molding of bearing installation department.
The bearing mounting portion 11 has a first mounting end portion and a second mounting end portion along the axial direction of the column body 1, the reinforcement 2 has a first reinforcement end portion and a second reinforcement end portion along the axial direction of the column body 1, the first mounting end portion is between the first reinforcement end portion and the second reinforcement end portion, and the second mounting end portion is between the first reinforcement end portion and the second reinforcement end portion.
The bearing 3 is sleeved outside the bearing mounting part 11 of the tubular column body 1.
Specifically, as shown in fig. 2, before swaging, a solid ductile material is inserted into the column body 1 and placed at a position corresponding to the inner wall of the bearing mounting portion 11. The position of the bearing mounting portion 11 is subjected to swaging compression, and the column body 1 shown in fig. 3 is obtained. Since the reinforcing member 2 is a solid ductile material, it can be extended and expanded upon swaging compression, thereby ensuring a close fit with the inner wall of the column body 1. Finally, the bearing 3 is sleeved outside the bearing mounting part 11 of the column body 1, and the steering column outer tube connecting structure shown in fig. 4 is obtained.
The utility model discloses an increase the reinforcement of solid extensible material in the steering column outer tube, guaranteed the intensity of bearing installation department on the one hand, on the other hand has improved the natural frequency of steering column outer tube, and simultaneously, the reinforcement has the ductility, consequently can guarantee through extension when the die forging compression with the inseparable laminating of steering column outer tube inner wall, further improved natural frequency.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A steering column outer tube, comprising: the pipe column comprises a pipe column body (1), wherein a bearing installation part (11) used for sleeving a bearing is arranged on the pipe column body (1), and a reinforcing piece (2) made of a solid extensible material and used for supporting the bearing installation part (11) is inserted into the pipe column body (1).
2. A steering column outer tube according to claim 1, characterised in that the reinforcement (2) is an aluminium reinforcement.
3. The outer steering column tube according to claim 2, characterized in that the reinforcement (2) is an aluminium block.
4. The steering column outer tube according to claim 1, wherein the bearing mounting portion (11) is swaged compression molded.
5. A steering column outer tube according to claim 1, wherein the bearing mounting portion (11) has a first mounting end portion and a second mounting end portion in the axial direction of the column body (1), the reinforcement (2) being at least partially between the first mounting end portion and the second mounting end portion.
6. The steering column outer tube according to claim 5, characterized in that the reinforcement (2) has a first reinforcement end and a second reinforcement end in the axial direction of the column body (1), the first mounting end being between the first reinforcement end and the second reinforcement end, the second mounting end being between the first reinforcement end and the second reinforcement end.
7. The steering column outer tube of claim 6, wherein the first mounting end is a distance from the first reinforcement end that is equal to a distance from the second mounting end to the second reinforcement end.
8. The steering column outer tube of claim 6, wherein the first mounting end is a distance from the first reinforcement end that is not equal to a distance of the second mounting end from the second reinforcement end.
9. A steering column outer tube connecting structure, characterized by comprising the steering column outer tube according to any one of claims 1 to 8, and a bearing (3), wherein the bearing (3) is fitted over the bearing mounting portion (11) of the column body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022897.9U CN211308706U (en) | 2019-11-21 | 2019-11-21 | Steering column outer pipe and connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022897.9U CN211308706U (en) | 2019-11-21 | 2019-11-21 | Steering column outer pipe and connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211308706U true CN211308706U (en) | 2020-08-21 |
Family
ID=72061778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922022897.9U Active CN211308706U (en) | 2019-11-21 | 2019-11-21 | Steering column outer pipe and connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211308706U (en) |
-
2019
- 2019-11-21 CN CN201922022897.9U patent/CN211308706U/en active Active
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