CN210416714U - Vehicle and steering column assembly thereof - Google Patents
Vehicle and steering column assembly thereof Download PDFInfo
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- CN210416714U CN210416714U CN201921484068.6U CN201921484068U CN210416714U CN 210416714 U CN210416714 U CN 210416714U CN 201921484068 U CN201921484068 U CN 201921484068U CN 210416714 U CN210416714 U CN 210416714U
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Abstract
The utility model discloses a steering column assembly, include and set up in the last transmission shaft in steering wheel low reaches along the transmission direction linkage, still include and set up in the underdrive axle in the steering gear upper reaches along the transmission direction, the coaxial linkage of output of going up the transmission shaft is provided with the gear shaft, the coaxial linkage of input of underdrive axle be provided with the gear wheel of gear shaft meshing linkage, just the gear shaft with drive ratio between the gear wheel is greater than 1. The steering column assembly is simple and reliable in structure and simple, convenient and efficient to operate. The utility model also discloses a vehicle of using above-mentioned steering column assembly.
Description
Technical Field
The utility model relates to a supporting subassembly technical field of vehicle steering control system, in particular to steering column assembly. The utility model discloses still relate to a vehicle of using this steering column assembly.
Background
In the existing vehicle steering system, the steering operation input by the driver from the steering wheel is transmitted to the steering machine through the steering column, and the steering machine further drives the wheels to complete the steering operation.
Correspondingly, due to the limitation of the structure of the existing steering column system component, if a steering power-assisted system is not additionally arranged, the operation force required by a driver during steering operation is very large, and great inconvenience is caused to flexible and efficient driving of a vehicle; if the power steering system is additionally arranged to overcome the defects, the internal assembly space of the vehicle can be greatly occupied, the power steering system is complex in structure, high in cost and high in research and development and debugging difficulty, and great inconvenience is caused to the overall research and development and assembly of the vehicle.
Therefore, how to provide a steering column assembly with simple and reliable structure and simple and efficient operation is an important technical problem that needs to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steering column assembly, this steering column assembly's simple structure is reliable and easy and simple to handle high-efficient. Another object of the present invention is to provide a vehicle using the above steering column assembly.
In order to solve the technical problem, the utility model provides a steering column assembly, include to set up in the last transmission shaft in steering wheel low reaches along the transmission direction linkage, still include to set up in the underdrive axle in the steering wheel upper reaches along the transmission direction, the coaxial linkage of output of going up the transmission shaft is provided with the gear shaft, the coaxial linkage of input of underdrive axle be provided with the gear wheel of gear shaft meshing linkage, just the gear shaft with the drive ratio between the gear wheel is greater than 1.
Preferably, the transmission ratio between the gear shaft and the large gear is 2-6.
Preferably, a middle universal joint is connected between the large gear and the lower transmission shaft, and a terminal universal joint is connected between the output end of the lower transmission shaft and the steering engine.
Preferably, a spline shaft is connected between the large gear and the middle section universal joint, and a key groove matched with the spline shaft is formed in the large gear.
Preferably, a support is further arranged between the large gear and the lower transmission shaft, and the spline shaft is inserted into the support in an opposite manner.
Preferably, the outer part of the upper transmission shaft is coaxially sleeved with an upper pipe column.
Preferably, a plurality of bearings are embedded between the inner wall of the upper pipe column and the outer wall of the upper transmission shaft, and the bearings are sequentially arranged along the axial direction of the upper transmission shaft.
The utility model also provides a vehicle, which comprises a carriage body, be provided with steering wheel and steering engine in the automobile body, the steering wheel with be connected with the steering column assembly between the steering engine, the steering column assembly is as above-mentioned arbitrary one the steering column assembly.
Compared with the prior art, the utility model provides a steering column assembly, in its assembly use, through the direct meshing transmission between gear shaft and gear wheel, realized by steering wheel to the steering operation power conduction between the steering wheel, and the drive ratio between gear shaft and gear wheel is greater than 1 for the actual operation of steering wheel is comparatively convenient laborsaving, and above-mentioned transmission structure need not to install additional the high-efficient operation that turns to power system and can realize vehicle steering system, thereby significantly reduced the equipment overall structure has been simplified to the relevant subassembly quantity of steering column assembly, and has made the operation process of steering column assembly is simple and efficient, and cooperation structure is simple reliable.
In another preferred embodiment of the present invention, the gear shaft and the gear wheel have a transmission ratio of 2 to 6. This drive ratio can guarantee that the driver can be enlarged and conduct to the steering engine department by the moderate degree by the steering control power of steering wheel department input to further optimize the whole of steering column assembly turns to from the power effect by oneself, and avoids the too big vehicle that leads to of drive ratio to turn to too sensitively and influence the driving and control stability, guarantees that the driver has flexibility and steady to controlling of vehicle concurrently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a steering column assembly according to an embodiment of the present invention;
fig. 2 is a sectional view taken along the line a-a in fig. 1.
Wherein, 11-an upper transmission shaft, 111-an upper tubular column, 112-a bearing, 12-a lower transmission shaft, 121-a middle section universal joint, 122-a tail end universal joint, 13-a large gear, 14-a spline shaft, 141-a bracket and 15-a gear shaft.
Detailed Description
The core of the utility model is to provide a steering column assembly, which has simple and reliable structure and simple and efficient operation; meanwhile, a vehicle applying the steering column assembly is provided.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a steering column assembly according to an embodiment of the present invention; fig. 2 is a sectional view taken along the line a-a in fig. 1.
In a specific embodiment, the utility model provides a steering column assembly, include to set up in the last transmission shaft 11 of steering wheel low reaches along the transmission direction linkage, still include to set up in the lower transmission shaft 12 of steering gear upper reaches along the transmission direction, the coaxial linkage of output of last transmission shaft 11 is provided with gear shaft 15, and the coaxial linkage of input of lower transmission shaft 12 is provided with gear wheel 13 with the linkage of gear shaft 15 meshing, and the drive ratio between gear shaft 15 and gear wheel 13 is greater than 1.
In the vehicle assembly use, through the direct meshing transmission between gear shaft 15 and gear wheel 13, realized by steering wheel to steering wheel steering operation power conduction within a definite time, and the drive ratio between gear shaft 15 and gear wheel 13 is greater than 1 for the actual operation of steering wheel is comparatively convenient laborsaving, and above-mentioned transmission structure need not to install additional steering power system and can realize vehicle steering system's high-efficient operation, thereby significantly reduced the relevant subassembly quantity of steering column assembly has simplified equipment overall structure, and has made the operation process of steering column assembly is simple and convenient high-efficient, and the cooperation structure is simple reliable.
Further, the transmission ratio between the gear shaft 15 and the large gear 13 is 2-6. This transmission ratio can guarantee that the driver can be enlarged and conduct to the steering engine department by the moderate degree by the steering control power of steering wheel department input to further optimize the whole of steering column assembly and turn to the self-service power effect, and avoid the too big vehicle that leads to of transmission ratio to turn to too sensitively and influence the driving and control stability, guarantee that the driver has flexibility and steady to controlling of vehicle concurrently.
Specifically, a middle universal joint 121 is connected between the large gear 13 and the lower transmission shaft 12, and a tail end universal joint 122 is connected between the output end of the lower transmission shaft 12 and the steering gear. The middle universal joint 121 and the tail end universal joint 122 are cooperatively matched with related transmission parts, and variable-angle power transmission under necessary working conditions can be realized, so that steering power transmission among the large gear 13, the lower transmission shaft 12 and a steering engine is further optimized, and the transmission effect and the steering operation efficiency of the steering column assembly are ensured.
More specifically, a spline shaft 14 is connected between the large gear 13 and the middle universal joint 121, and the large gear 13 has a keyway adapted to the spline shaft 14. Through the reliable counterpoint cooperation between spline and keyway, realize the stable linkage between gear wheel 13 and integral key shaft 14 to further guarantee transmission efficiency and transmission stability between gear wheel 13 and the middle section universal joint 121.
Besides, a bracket 141 is further arranged between the large gear 13 and the lower transmission shaft 12, and the spline shaft 14 is inserted into the bracket 141 in an opposite manner. The bracket 141 can provide sufficient structural support for the gear shaft 15 and provide a certain structural protection for the gear shaft 15, thereby preventing the gear shaft 15 from generating structural interference or non-working damage with peripheral non-matching parts.
On the other hand, an upper column 111 is coaxially fitted to the outside of the upper drive shaft 11. This upper tube column 111 can provide abundant structural protection for last transmission shaft 11 to guarantee that the major structure of last transmission shaft 11 can stable operation, avoid going up to produce structural interference or non-working damage between transmission shaft 11 and the peripheral non-fitting piece, improve the whole operational reliability of steering column assembly.
In addition, a plurality of bearings 12 are embedded between the inner wall of the upper pipe column 111 and the outer wall of the upper transmission shaft 11, and the bearings 12 are sequentially arranged along the axial direction of the upper transmission shaft 11. Each bearing 12 is in coordination with each other, can provide abundant and reliable circumferential structure for last transmission shaft 11 rotates the in-process and support to further avoid the structure between upper tubular column 111 inner wall and the outer wall of last transmission shaft 11 to interfere with and the sliding friction risk, guarantee the running accuracy and the job stabilization nature of last transmission shaft 11.
In particular embodiment, the utility model provides a vehicle, including the automobile body, be provided with steering wheel and steering engine in the automobile body, be connected with steering column assembly between steering wheel and the steering engine, this steering column assembly is as the steering column assembly in the above embodiment. The steering column assembly of the vehicle is simple and reliable in structure and simple, convenient and efficient to operate.
To sum up, the utility model provides a steering column assembly, it is in vehicle assembly use, through the direct engagement transmission between gear wheel and gear shaft, realized by steering wheel to the steering operation power conduction between the steering wheel, and the drive ratio between gear wheel and gear shaft is greater than 1 for the actual operation of steering wheel is comparatively convenient laborsaving, and above-mentioned transmission structure need not to install additional power assisted steering system can realize vehicle steering system's high-efficient operation, thereby significantly reduced the relevant subassembly quantity of steering column assembly has simplified equipment overall structure, and has made the simple and convenient high efficiency of operation process of steering column assembly, cooperation simple structure is reliable.
Furthermore, the utility model provides an use vehicle of above-mentioned steering column assembly, the simple structure of its steering column assembly is reliable and easy and simple to handle high-efficient.
It is right above the utility model provides a steering column assembly and applied this steering column assembly's vehicle have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. A steering column assembly, characterized in that: the steering gear comprises an upper transmission shaft and a lower transmission shaft, wherein the upper transmission shaft is arranged on the downstream of a steering wheel in a linkage mode along the transmission direction, the lower transmission shaft is arranged on the upstream of a steering gear in the transmission direction, a gear shaft is arranged on the output end of the upper transmission shaft in a coaxial linkage mode, the input end of the lower transmission shaft is provided with a large gear in meshing linkage with the gear shaft, and the gear shaft is larger than 1 of transmission ratio between the large gear.
2. A steering column assembly according to claim 1 wherein: the transmission ratio between the gear shaft and the large gear is 2-6.
3. A steering column assembly according to claim 1 wherein: a middle section universal joint is connected between the large gear and the lower transmission shaft, and a tail end universal joint is connected between the output end of the lower transmission shaft and the steering engine.
4. A steering column assembly according to claim 3 wherein: a spline shaft is connected between the large gear and the middle section universal joint, and a key groove matched with the spline shaft is formed in the large gear.
5. A steering column assembly according to claim 4 wherein: and a support is further arranged between the large gear and the lower transmission shaft, and the spline shaft is inserted in the support in an aligned mode.
6. A steering column assembly according to claim 1 wherein: an upper pipe column is coaxially sleeved outside the upper transmission shaft.
7. A steering column assembly according to claim 6 wherein: a plurality of bearings are embedded between the inner wall of the upper pipe column and the outer wall of the upper transmission shaft, and the bearings are sequentially arranged along the axial direction of the upper transmission shaft.
8. The utility model provides a vehicle, includes the automobile body, be provided with steering wheel and steering engine in the automobile body, the steering wheel with be connected with steering column assembly between the steering engine, its characterized in that: the steering column assembly is as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484068.6U CN210416714U (en) | 2019-09-05 | 2019-09-05 | Vehicle and steering column assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921484068.6U CN210416714U (en) | 2019-09-05 | 2019-09-05 | Vehicle and steering column assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210416714U true CN210416714U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921484068.6U Active CN210416714U (en) | 2019-09-05 | 2019-09-05 | Vehicle and steering column assembly thereof |
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| Country | Link |
|---|---|
| CN (1) | CN210416714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115503809A (en) * | 2022-10-26 | 2022-12-23 | 郑州日产汽车有限公司 | Disconnected type non-coaxial steering column |
-
2019
- 2019-09-05 CN CN201921484068.6U patent/CN210416714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115503809A (en) * | 2022-10-26 | 2022-12-23 | 郑州日产汽车有限公司 | Disconnected type non-coaxial steering column |
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