CN105438245A - Output shaft for steering column of steering wheel of vehicle - Google Patents
Output shaft for steering column of steering wheel of vehicle Download PDFInfo
- Publication number
- CN105438245A CN105438245A CN201410519792.3A CN201410519792A CN105438245A CN 105438245 A CN105438245 A CN 105438245A CN 201410519792 A CN201410519792 A CN 201410519792A CN 105438245 A CN105438245 A CN 105438245A
- Authority
- CN
- China
- Prior art keywords
- torsion bar
- transmission shaft
- pin
- output shaft
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
The invention relates to an output shaft for a steering column of a steering wheel of a vehicle, belonging to the technical field of vehicles. The output shaft comprises a transmission shaft in a hollow structure; a torsion bar is penetrated in the hollow part of the transmission shaft; the torsion bar is fixed on the transmission shaft through a cylindrical pin; the torsion bar, at the part where the torsion bar is matched with the transmission shaft, is provided with a pin hole; the opening direction of the pin hole is consistent with the length direction of the torsion bar; an expansion pin is arranged in the pin hole; and bolts for fixing the torsion bar are respectively arranged at the front, back, left and right parts of the same position corresponding to the torsion bar on the transmission shaft at the right side of the cylindrical pin. The output shaft provided by the invention is simple in structure, avoids the swing of the torsion bar in the transmission shaft in use, and effectively prolongs the service life of the transmission shaft.
Description
Technical field
The present invention relates to a kind of output shaft for vehicle steering Steering gear, belong to automobile technical field.
Background technology
At present, the output shaft of normally used vehicle steering Steering gear mainly comprises the transmission shaft of hollow structure, and running through at the hollow position of transmission shaft has torsion bar, and torsion bar is fixed on transmission shaft by straight pin.During installation, solid torsion bar is penetrated with in hollow transmission shaft, adopt transition fit, then join draw bore at torsion bar and transmission shaft matching part, and straight pin is penetrated in pin-and-hole rivet, make torsion bar relative with transmission shaft fixing.When adopting above-mentioned output shaft, be not easy to assembling, in the twist process of torsion bar and transmission shaft, exacerbate the wearing and tearing between torsion bar and transmission shaft, fatigue resistance is poor, shortens the service life of product.
There is contriver to design a kind of output shaft for vehicle steering Steering gear for this reason, comprise the transmission shaft of hollow structure, run through at the hollow position of transmission shaft and have torsion bar, torsion bar is fixed on transmission shaft by straight pin, the torsion bar of torsion bar and transmission shaft cooperation place offers pin-and-hole, the perforate direction of pin-and-hole is consistent with torsion bar length direction, is provided with expansion pin in pin-and-hole.
Can be there is torsion bar in use and swing in transmission shaft in above-mentioned design, can damage for a long time, affect its service life to hollow transmission shaft.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide a kind of output shaft for vehicle steering Steering gear, its structure is simple, when avoiding use, torsion bar occurs and swings in transmission shaft, effectively extend the service life of transmission shaft.
Output shaft for vehicle steering Steering gear of the present invention, comprise the transmission shaft of hollow structure, run through at the hollow position of transmission shaft and have torsion bar, torsion bar is fixed on transmission shaft by straight pin, the torsion bar of torsion bar and transmission shaft cooperation place offers pin-and-hole, the perforate direction of pin-and-hole is consistent with torsion bar length direction, be provided with expansion pin in pin-and-hole, it is characterized in that: on the transmission shaft on the right side of straight pin, corresponding torsion bar same position is at the bolt be all around provided with for fixing torsion bar of this position.
Conveniently use, described expansion pin and pin-and-hole are cylindrical structural.
Compared with prior art, the present invention has following beneficial effect:
By the present invention, its structure is simple, when avoiding use, torsion bar occurs and swings in transmission shaft, effectively extend the service life of transmission shaft.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention;
In figure: 1, expansion pin 2, pin-and-hole 3, straight pin 4, torsion bar 5, transmission shaft 6, bolt.
Detailed description of the invention
Below by way of specific embodiment, the invention will be further described, but not in order to limit the present invention, all within the present invention's spirit and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
As shown in Figure 1, for the output shaft of vehicle steering Steering gear, comprise the transmission shaft 5 of hollow structure, run through at the hollow position of transmission shaft 5 and have torsion bar 4, torsion bar 4 is fixed on transmission shaft 5 by straight pin 3, torsion bar 4 with the torsion bar 4 of transmission shaft 5 cooperation place offer pin-and-hole 2, the perforate direction of pin-and-hole 2 is consistent with torsion bar 4 length direction, be provided with expansion pin 1 in pin-and-hole 2, on the transmission shaft 5 on the right side of straight pin 3, corresponding torsion bar 4 same position is at the bolt 6 be all around provided with for fixing torsion bar 4 of this position.
In the present embodiment, described expansion pin 1 and pin-and-hole 2 are cylindrical structural, can also be other shape during application.
During installation, torsion bar 4 is penetrated with in hollow transmission shaft 5, comparatively small―gap suture is adopted to coordinate, then draw bore is joined at torsion bar 4 and transmission shaft 5 matching part, and straight pin 3 is penetrated in pin-and-hole rivet, finally expansion pin 1 is squeezed in pin-and-hole 2, torsion bar 4 cylindrical is increased, eliminate the tolerance clearance of torsion bar 4 and transmission shaft 5, thus under the effect of straight pin 3 and expansion pin 1, torsion bar 4 is completely fixed on transmission shaft 5.
Claims (2)
1. the output shaft for vehicle steering Steering gear, comprise the transmission shaft (5) of hollow structure, run through at the hollow position of transmission shaft (5) and have torsion bar (4), torsion bar (4) is fixed on transmission shaft (5) by straight pin (3), the torsion bar (4) of torsion bar (4) with transmission shaft (5) cooperation place offers pin-and-hole (2), the perforate direction of pin-and-hole (2) is consistent with torsion bar (4) length direction, expansion pin (1) is provided with in pin-and-hole (2), it is characterized in that: at the upper bolt (6) that be all around provided with for fixing torsion bar (4) of corresponding torsion bar (4) same position in this position of the transmission shaft (5) on straight pin (3) right side.
2. the output shaft for vehicle steering Steering gear according to claim 1, is characterized in that: described expansion pin (1) and pin-and-hole (2) are cylindrical structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410519792.3A CN105438245A (en) | 2014-09-30 | 2014-09-30 | Output shaft for steering column of steering wheel of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410519792.3A CN105438245A (en) | 2014-09-30 | 2014-09-30 | Output shaft for steering column of steering wheel of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105438245A true CN105438245A (en) | 2016-03-30 |
Family
ID=55549009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410519792.3A Pending CN105438245A (en) | 2014-09-30 | 2014-09-30 | Output shaft for steering column of steering wheel of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105438245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791467A (en) * | 2018-07-04 | 2018-11-13 | 湖北三环汽车方向机有限公司 | A kind of New Cycle ball-type power steering gear screw axis-torsion bar assembly |
-
2014
- 2014-09-30 CN CN201410519792.3A patent/CN105438245A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791467A (en) * | 2018-07-04 | 2018-11-13 | 湖北三环汽车方向机有限公司 | A kind of New Cycle ball-type power steering gear screw axis-torsion bar assembly |
| CN108791467B (en) * | 2018-07-04 | 2024-01-30 | 湖北三环汽车方向机有限公司 | Screw shaft-torsion bar assembly of recirculating ball type power steering gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
|
| WD01 | Invention patent application deemed withdrawn after publication |