CN202046353U - Ball bearing support device and steering post with same - Google Patents
Ball bearing support device and steering post with same Download PDFInfo
- Publication number
- CN202046353U CN202046353U CN2011200086292U CN201120008629U CN202046353U CN 202046353 U CN202046353 U CN 202046353U CN 2011200086292 U CN2011200086292 U CN 2011200086292U CN 201120008629 U CN201120008629 U CN 201120008629U CN 202046353 U CN202046353 U CN 202046353U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- ball bearing
- main shaft
- support
- column jecket
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a ball bearing support device for a steering post, which comprises four support riveting points riveted on the inner wall of a post pipe of the steering post, wherein the four support riveting points are uniformly distributed at 90 degrees on the radial plane of the post pipe of the steering post, each support riveting point comprises a fixing part, a press riveting part and a support part, the press riveting part and the support part are integrally formed along the axial direction of the steering post, the fixing part is positioned on the post pipe of the steering post arranged between the press riveting part and the support part, both the press riveting part and the support part are in press riveting connection with the steering post, the fixing part is used for radially fixing a ball bearing, the press riveting part and the support part are used for axially supporting the ball bearing, and the support part is in a trapezoid shape on the radial cross section of the post pipe of the steering post. The ball bearing support device has the advantages that the installation precision of the bearing can be improved, and the noise is reduced.
Description
Technical field
The Steering gear that the utility model relates to a kind of ball bearing of main shaft bracing or strutting arrangement and has the ball bearing of main shaft bracing or strutting arrangement.
Background technology
Usually, adopt riveting point that ball bearing of main shaft is supported.But the outstanding distance of the passive riveting point of ball bearing of main shaft is too short at present, and is shaped as the semicircle arcuation.The problem of prior art scheme is:
Because it is short to support the outstanding distance of riveting point, as shown in Figure 1, support riveting point for semicircle, making column jecket everywhere during riveting point, the otch of the riveting point everywhere that contacts with ball bearing of main shaft and column jecket axial line out of plumb, but have certain angle, therefore when bearing is pressed into column jecket riveting point position, the problem with riveting point bad contact everywhere can occur, for example, can have 2 contacts or 3 contacts and all the other riveting points do not have situation about contacting.In this case, behind the upside riveting point of the steering-column tube that presses, bearing can be skewed with the column jecket center in column jecket, rather than with the column jecket axis in vertical state, so just produced the gap, thereby in vehicle traveling process, produced noise.
In addition, for present ball bearing of main shaft bracing or strutting arrangement, there is the inappropriate problem of riveting point angle mostly.Riveting point angle is exactly to press partly and the angle between the Steering gear column jecket axis.If riveting point angle too small can make between bearing and the riveting point to have the gap, can not be completely fixed ball bearing of main shaft, still can produce noise; And if riveting point angle is excessive, then can cause bearing and fixedly the area of contact of riveting point is too small, the rivet force deficiency, thus cause bearing after fatigue test or violent shake, to produce noise or directly break away from column jecket.
Therefore, be necessary to design a kind of new pattern rolling ball bearing support assembly, to overcome above-mentioned defective.
The utility model content
At the defective of prior art, the purpose of this utility model provides a kind of setting accuracy height, ball bearing of main shaft bracing or strutting arrangement that noise is little.
The ball bearing of main shaft bracing or strutting arrangement that is used for Steering gear that the utility model provides comprises four support riveting points that are riveted on the Steering gear column jecket inwall, described four support riveting points are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear, wherein: each supports the riveting point and comprises fixed part, portion and support portion press, the described portion that presses, the support portion is axially integrally formed along Steering gear, fixed position is on the Steering gear column jecket between portion of pressing and the support portion, press portion and support portion all presses with Steering gear and links together, fixed part is used for radially fixedly ball bearing of main shaft, press portion and support portion is used for the axial support ball bearing of main shaft, and described support portion is trapezoidal on the radial section of the column jecket of Steering gear.
Preferably, riveting point angle is 130 °-150 °, crimp that described riveting point angle is the portion that presses and the angle between the Steering gear column jecket axis.More preferably, described riveting point angle is 140 °.
Preferably, fixed part by and ball bearing of main shaft between interference fit fixing ball bearing of main shaft radially.
Correspondingly, the utility model also provides a kind of Steering gear, described Steering gear comprises main shaft, the Steering gear column jecket, ball bearing of main shaft, the ball bearing of main shaft bracing or strutting arrangement, main shaft is assemblied in the Steering gear column jecket by ball bearing of main shaft, described ball bearing of main shaft is supported by the ball bearing of main shaft bracing or strutting arrangement, the ball bearing of main shaft bracing or strutting arrangement comprises four support riveting points that are riveted on the Steering gear column jecket inwall, described four support riveting points are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear, wherein: each supports the riveting point and comprises fixed part, portion and support portion press, the described portion that presses, the support portion is axially integrally formed along Steering gear, fixed position is between portion of pressing and support portion, described press portion and support portion all press with Steering gear and link together, fixed part is radially fixed described ball bearing of main shaft, press portion and support portion is used for the axial support ball bearing of main shaft, and described support portion is trapezoidal on the radial section of the column jecket of Steering gear.
Preferably, riveting point angle is 130 °-150 °, crimp that described riveting point angle is the portion that presses and the angle between the Steering gear column jecket axis.More preferably, described riveting point angle is 140 °.
Preferably, fixed part by and ball bearing of main shaft between interference fit fixing ball bearing of main shaft radially.
With respect to prior art, ball bearing of main shaft bracing or strutting arrangement of the present utility model can improve the setting accuracy of bearing, reduces noise.
Description of drawings
Fig. 1 is the structural representation of the ball bearing of main shaft bracing or strutting arrangement of prior art;
Fig. 2 a is the structural representation of the ball bearing of main shaft bracing or strutting arrangement of a kind of specific embodiment of the utility model;
Fig. 2 b is the A-A generalized section of the ball bearing of main shaft bracing or strutting arrangement shown in Fig. 2 a;
Fig. 2 c is that the B of the ball bearing of main shaft bracing or strutting arrangement shown in Fig. 2 a is to view;
Fig. 2 d is the enlarged drawing of the portion that presses of the ball bearing of main shaft bracing or strutting arrangement shown in Fig. 2 a;
Fig. 3 is the structural representation that adopts the Steering gear of ball bearing of main shaft bracing or strutting arrangement of the present utility model.
The specific embodiment
In a kind of specific embodiment of the present utility model, the ball bearing of main shaft bracing or strutting arrangement that is used for Steering gear comprises four support riveting points 200 that are riveted on the Steering gear column jecket inwall, and described four support riveting points 200 are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear.Wherein:
Each supports, and the riveting point comprises fixed part 201, portion 202 and support portion 203 press.The described portion 202 that presses, support portion 203 are axially integrally formed along Steering gear.Fixed part 201 can be before pressing on the Steering gear column jecket between portion of pressing 202 and the support portion 203, suppresses the fixed part 201 of projection on the Steering gear column jecket in advance, and shown in Fig. 2 c, fixed part 201 forms eight projections on the Steering gear column jecket inwall.Fixed part 201 is used for radially fixedly ball bearing of main shaft, preferably, by the interference fit between fixed part 201 and the ball bearing of main shaft, realizes radially fixing ball bearing of main shaft.
Press portion 202 and support portion 203 all presses with Steering gear and links together, and press portion 202 and support portion 203 are used for axially supporting ball bearing of main shaft.Shown in Fig. 2 b, the portion 202 that presses is positioned at the tube wall inboard of Steering gear column jecket, is connected with tube wall by pressing.Support portion 203 is positioned at the tube wall outside of Steering gear column jecket, also is connected with tube wall by pressing.Press portion 202 and support portion 203 respectively at both ends form spacing to ball bearing of main shaft, make ball bearing of main shaft at steering stem shaft to being positioned.
Described support portion 203 is trapezoidal on the radial section of the column jecket of Steering gear.This is the change of supporting riveting point shape in the technology to having.Be trapezoidal on 203 radial sections of support portion, the otch of feasible support riveting point and the central axis of Steering gear column jecket are in vertical state.Riveting point otch is not because when making four riveting points of column jecket with the basic reason of column jecket central vertical in the prior art, the end face of riveting die be shaped as arc, though suppressed the shape of riveting point like this, do not consider whether otch vertical with the column jecket center.Support portion 203 shapes change to trapezoidal after, the end face of riveting die correspondingly changes to and the vertical plane of column jecket cylindrical normal direction, the area of contact of mould and column jecket be can increase in processing during riveting point like this, thereby the cut-out direction of riveting point and column jecket center made in vertical state.
In preferred implementation of the present utility model, riveting point angle is 130 °-150 °, and according to the pulling-out force test of carrying out at different riveting point angles, fatigue test and implosion test result, more preferably riveting point angle is 140 ° a ball bearing of main shaft bracing or strutting arrangement.Angle α between crimp 205 that described riveting point angle is the portion that presses 202 and the Steering gear column jecket axis.Shown in Fig. 2 d.
Correspondingly, as shown in Figure 3, the utility model also provides a kind of Steering gear, and described Steering gear comprises main shaft 310, Steering gear column jecket 320, ball bearing of main shaft 330, ball bearing of main shaft bracing or strutting arrangement 340.Main shaft is assemblied in the Steering gear column jecket 320 by ball bearing of main shaft 330, and described ball bearing of main shaft 330 is supported by ball bearing of main shaft bracing or strutting arrangement 340.
Ball bearing of main shaft bracing or strutting arrangement 340 comprises four support riveting points that are riveted on the Steering gear column jecket inwall, and described four support riveting points are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear.Wherein: each supports, and the riveting point comprises fixed part, portion and support portion press, the described portion that presses, support portion are axially integrally formed along Steering gear, fixed position is between portion of pressing and support portion, described press portion and support portion all press with Steering gear and link together, fixed part is radially fixed described ball bearing of main shaft, press portion and support portion is used for the axial support ball bearing of main shaft, and described support portion is trapezoidal on the radial section of the column jecket of Steering gear.
About the ball bearing of main shaft bracing or strutting arrangement, identical with the explanation of aforementioned ball bearing of main shaft bracing or strutting arrangement, do not repeat them here.
Though the utility model discloses the foregoing description; but specific embodiment be not be used for limiting of the present utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; can make some modifications and retouching, therefore protection domain of the present utility model should be as the criterion with the scope that appending claims defines.
Claims (8)
1. ball bearing of main shaft bracing or strutting arrangement that is used for Steering gear, it is characterized in that, described device comprises four support riveting points that are riveted on the Steering gear column jecket inwall, described four support riveting points are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear, wherein: each supports the riveting point and comprises fixed part, portion and support portion press, the described portion that presses, the support portion is axially integrally formed along Steering gear, fixed position is on the Steering gear column jecket between portion of pressing and the support portion, press portion and support portion all presses with Steering gear and links together, fixed part is used for radially fixedly ball bearing of main shaft, press portion and support portion is used for the axial support ball bearing of main shaft, and described support portion is trapezoidal on the radial section of the column jecket of Steering gear.
2. device according to claim 1 is characterized in that, riveting point angle is 130 °-150 °, crimp that described riveting point angle is the portion that presses and the angle between the Steering gear column jecket axis.
3. device according to claim 2 is characterized in that, described riveting point angle is 140 °.
4. according to any described device among the claim 1-3, it is characterized in that, fixed part by and ball bearing of main shaft between interference fit fixing ball bearing of main shaft radially.
5. a Steering gear is characterized in that, described Steering gear comprises main shaft, Steering gear column jecket, ball bearing of main shaft, ball bearing of main shaft bracing or strutting arrangement, and main shaft is assemblied in the Steering gear column jecket by ball bearing of main shaft, and described ball bearing of main shaft is supported by the ball bearing of main shaft bracing or strutting arrangement, wherein:
The ball bearing of main shaft bracing or strutting arrangement comprises four support riveting points that are riveted on the Steering gear column jecket inwall, described four support riveting points are spent rectangular distributions with 90 on the sagittal plane of the column jecket of Steering gear, wherein: each supports the riveting point and comprises fixed part, portion and support portion press, the described portion that presses, the support portion is axially integrally formed along Steering gear, fixed position is between portion of pressing and support portion, described press portion and support portion all press with Steering gear and link together, fixed part is radially fixed described ball bearing of main shaft, press portion and support portion is used for the axial support ball bearing of main shaft, and described support portion is trapezoidal on the radial section of the column jecket of Steering gear.
6. Steering gear according to claim 5 is characterized in that, riveting point angle is 130 °-150 °, crimp that described riveting point angle is the portion that presses and the angle between the Steering gear column jecket axis.
7. Steering gear according to claim 6 is characterized in that, described riveting point angle is 140 °.
According among the claim 5-7 arbitrarily-a described Steering gear, it is characterized in that, fixed part by and ball bearing of main shaft between interference fit fixing ball bearing of main shaft radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200086292U CN202046353U (en) | 2011-01-10 | 2011-01-10 | Ball bearing support device and steering post with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200086292U CN202046353U (en) | 2011-01-10 | 2011-01-10 | Ball bearing support device and steering post with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202046353U true CN202046353U (en) | 2011-11-23 |
Family
ID=44986672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200086292U Expired - Lifetime CN202046353U (en) | 2011-01-10 | 2011-01-10 | Ball bearing support device and steering post with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202046353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213613A (en) * | 2013-05-08 | 2013-07-24 | 青岛即东汽车零部件有限公司 | Axial riveting and clamping structure and clamping process thereof |
| CN106604856A (en) * | 2014-05-23 | 2017-04-26 | 蒂森克虏伯普利斯坦股份公司 | Steering column for a motor vehicle |
-
2011
- 2011-01-10 CN CN2011200086292U patent/CN202046353U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213613A (en) * | 2013-05-08 | 2013-07-24 | 青岛即东汽车零部件有限公司 | Axial riveting and clamping structure and clamping process thereof |
| CN103213613B (en) * | 2013-05-08 | 2015-12-23 | 青岛即东汽车零部件有限公司 | Axially riveted joint clamping structure and pinching process |
| CN106604856A (en) * | 2014-05-23 | 2017-04-26 | 蒂森克虏伯普利斯坦股份公司 | Steering column for a motor vehicle |
| US10040472B2 (en) | 2014-05-23 | 2018-08-07 | Thyssenkrupp Presta Ag | Steering column for a motor vehicle |
| CN106604856B (en) * | 2014-05-23 | 2019-10-18 | 蒂森克虏伯普利斯坦股份公司 | Steering column for motor vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |