CN209566975U - A kind of output shaft supporting device of electric boosting steering system - Google Patents
A kind of output shaft supporting device of electric boosting steering system Download PDFInfo
- Publication number
- CN209566975U CN209566975U CN201920226532.5U CN201920226532U CN209566975U CN 209566975 U CN209566975 U CN 209566975U CN 201920226532 U CN201920226532 U CN 201920226532U CN 209566975 U CN209566975 U CN 209566975U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- steering system
- drive shaft
- electric boosting
- boosting steering
- 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 - Fee Related
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Abstract
The utility model discloses a kind of output shaft supporting device of electric boosting steering system, it is supported for the output shaft to electric boosting steering system, including pedestal and having on pedestal is set rotates freely the drive shaft of displacement, the top of drive shaft is equipped with the lockable clamps of a thread segment for clamping output shaft, it is equipped with circumferentially uniformly distributed several radial ribs in lockable clamps, the interference mechanism for carrying out rotary locking or release to drive shaft is equipped in pedestal.The utility model is the linkage structure body matched with output shaft, is designed by the shaft coupling of drive shaft and output shaft, carries out the transmitting of locking, release and the input of external force source, protects output shaft.Using specifically lockable clamps, meet the clamping stability between output shaft, while output shaft will not be damaged to.Drive shaft is ingenious in design, and the linkage control for being able to achieve the folding operation of release locking operation and lockable clamps is matched with interference mechanism.
Description
Technical field
The utility model relates to a kind of output shaft supporting devices of electric boosting steering system, belong to the technology of supporting tooling
Field.
Background technique
Electric boosting steering system (Electric Power Steering, abridge EPS) is that one kind is directly mentioned by motor
For the power steering system of auxiliary torque, with traditional hydraulic power-assist steering system HPS(Hydraulic Power
Steering it) compares, EPS system has lot of advantages.EPS is mainly by torque sensor, vehicle speed sensor, motor, deceleration
The composition such as mechanism and electronic control unit (ECU).
The job stability and handling characteristic of electric boosting steering system are concerning the safety and vehicle performance to driving, therefore
It needs effectively to detect the properties of diverter and the operations such as torque sensor calibrating.
In operation, need that EPS output shaft is clamped or is discharged, generally by radial clamping piece come with output shaft phase
Interference, thus have the function that clamping or release, but radial clamping piece is poor to stability is coupled between output shaft, and easy pair
The thread segment of output shaft generates damage, in addition, when carrying out external power supply access to EPS output shaft, it is very inconvenient.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, clamping for the locking of traditional EPS output shaft
Insufficient problem present in part proposes a kind of output shaft supporting device of electric boosting steering system.
In order to achieve the above object, the technology employed by the present utility model is
A kind of output shaft supporting device of electric boosting steering system, for the output shaft to electric boosting steering system into
Row bearing,
Including pedestal and it is set on the base frame with the drive shaft for rotating freely displacement, the drive shaft
Top be equipped with the lockable clamps of a thread segment for clamping the output shaft, be equipped in the lockable clamps circumferentially uniformly distributed
Several radial ribs,
The interference mechanism for carrying out rotary locking or release to the drive shaft is equipped in the pedestal.
Preferably, the interference mechanism includes that rotating on the drive shaft for limiting the drive shaft is arranged in
The limit body of displacement and have crimp body with the limit body Axial Interference, the crimp body have vertically to lifting driving
Source.
Preferably, the limit body includes the first limit body and pivot bush unit being fixed on the drive shaft
The second limit body that is on the drive shaft and being located at the top of first limit body, first limit body and described the
Connector is equipped between two limit bodies,
The crimp body is located at the top of second limit body, and the crimp body has towards second limit
The lifting of body is displaced.
Preferably, the lifting driving source is telescopic cylinder.
It preferably, is conical surface couplings between the crimp body and second limit body.
Preferably, the connector is the spring being socketed on the drive shaft, and the spring has for institute
State the opposing torque position-limiting action between the first limit body and second limit body.
Preferably, the lockable clamps include the collet for having folding displacement and the folder of the driving collet folding operation
Set, the collet are connected with second limit body.
Preferably, the pedestal is equipped with the postive stop baffle for carrying out stroke limit to the crimp body.
The beneficial effects of the utility model are mainly reflected in:
1. being the linkage structure body matched with output shaft, is designed, locked by the shaft coupling of drive shaft and output shaft
Only, the transmitting of release and the input of external force source, protects output shaft.
2. meeting the clamping stability between output shaft, while output will not be damaged to using specifically lockable clamps
Axis.
3. drive shaft is ingenious in design, is matched with interference mechanism and be able to achieve opening for release locking operation and lockable clamps
Cooperate the linkage control of industry.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the output shaft supporting device of electric boosting steering system of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model output shaft supporting device.
Fig. 3 is the structural schematic diagram of drive shaft in the utility model.
Specific embodiment
The utility model provides a kind of output shaft supporting device of electric boosting steering system.Below in conjunction with attached drawing to this reality
It is described in detail with new technique scheme, so that it is more readily understood and grasps.
A kind of output shaft supporting device of electric boosting steering system, for the output shaft to electric boosting steering system into
Row bearing.That is the spinning release for output shaft or locking, in addition, being also able to achieve biography of the ex-ternal transmission unit to output shaft
Dynamic transmitting.
As shown in Figure 1 to Figure 3, the drive shaft of displacement is rotated freely including pedestal 1 and setting having on the pedestal 1
2, the top of drive shaft 2 is equipped with the lockable clamps 3 of a thread segment for clamping output shaft, is equipped in lockable clamps 3 circumferential
Uniformly distributed several radial ribs 4, the interior interference mechanism 5 being equipped with for carrying out rotary locking or release to drive shaft 2 of pedestal 1.
It specifically describes, is coupled by the locking that lockable clamps 3 are able to achieve output shaft and drive shaft 2, radial rib 4 ensures
It is reliable to the locking of output shaft, while thread segment will not be damaged to.
When carrying out operation, release and locking operation to drive shaft 2 are able to achieve by interference mechanism 5, met to defeated
The effect of shaft locking and release.
In addition, the bottom of drive shaft 2 has free end, which can access ex-ternal transmission source.
In a specific embodiment, as shown in Fig. 2, interference mechanism 5 includes being arranged on drive shaft 2 to be used to limit
The limit body 6 of 2 swing offset of drive shaft and have crimp body 7 with 6 Axial Interference of limit body, crimp body 7 have vertically to
Lifting driving source 8.The lifting driving source is telescopic cylinder.The telescopic end of telescopic cylinder and crimp body 7 are matched.
It is able to achieve the driving of the relative displacement between crimp body 7 and limit body 6 by going up and down driving source 8, realizes that face abuts lock
Only or face separation discharges operation.
In a specific embodiment, limit body 6 include the first limit body 61 for being fixed on drive shaft 2 and
It is actively socketed on the second limit body 62 that is on drive shaft 2 and being located at the top of the first limit body 61, the first limit body 61 and the
Connector 9 is equipped between two limit bodies 62.
Crimp body 7 is located at the top of the second limit body 61, and crimp body 7 has the lifting position towards the second limit body 62
It moves.
When carrying out operation, by the cooperation between crimp body 7 and the second limit body 62, crimp force is passed by connector 9
It is handed on the first limit body 61, to realize the locking to drive shaft 2.
It is conical surface couplings between crimp body 7 and the second limit body 62 to increase locking fiting effect.
In a specific embodiment, connector 9 is the spring being socketed on drive shaft 2, and spring has and is used for
Opposing torque position-limiting action between first limit body 61 and the second limit body 62.
Specifically describe, when crimp body 7 crimp the second limit body 62 when, 62 elastic deformation of the second limit body, and with crimp
Body 7 abuts against relatively fixed, and spring has torque position-limiting action, circumferential phase between the first limit body 61 and the second limit body 62
To fixation, therefore it is able to achieve the limitation of the rotation to drive shaft 2.
When crimp body 7 is separated with the second limit body 62, the first limit body 61, spring, the second limit body 62 are provided with certainly
By spending.
In a specific embodiment, lockable clamps 3 include that the collet 31 for having folding displacement and driving collet 31 open and close
The collet 32 of operation, collet 32 is connected with the second limit body 62, and the top of drive shaft 2 is arranged in collet 31.
In the second limit body 62 lifting displacement process, the folding operation of collet 31 can be driven.
Finally, pedestal 1 is equipped with the postive stop baffle 10 for carrying out stroke limit to crimp body 7, protected for stroke.
By above description it can be found that a kind of output shaft supporting device of electric boosting steering system of the utility model,
It for the linkage structure body matched with output shaft, is designed by the shaft coupling of drive shaft and output shaft, carries out locking, release and outer
The transmitting of power source input, protects output shaft.Using specifically lockable clamps, meet the clamping stability between output shaft,
It will not be damaged to output shaft simultaneously.Drive shaft is ingenious in design, matched with interference mechanism be able to achieve release locking operation with
The linkage control of the folding operation of lockable clamps.
The technical solution of the utility model is fully described above, it should be noted that the tool of the utility model
Body embodiment is simultaneously not limited by the description set out above, and those skilled in the art exist according to the Spirit Essence of the utility model
All technical solutions that structure, method or function etc. are formed using equivalents or equivalent transformation, all fall within this reality
Within novel protection scope.
Claims (8)
1. a kind of output shaft supporting device of electric boosting steering system is carried out for the output shaft to electric boosting steering system
Bearing, it is characterised in that:
Including pedestal and it is set on the base frame with the drive shaft for rotating freely displacement, the top of the drive shaft
End is equipped with the lockable clamps of a thread segment for clamping the output shaft, equipped with circumferentially uniformly distributed several in the lockable clamps
Radial rib,
The interference mechanism for carrying out rotary locking or release to the drive shaft is equipped in the pedestal.
2. the output shaft supporting device of a kind of electric boosting steering system according to claim 1, it is characterised in that:
The interference mechanism includes the limit for being used to limit the drive shaft swing offset being arranged on the drive shaft
Body and have crimp body with the limit body Axial Interference, the crimp body have vertically to lifting driving source.
3. the output shaft supporting device of a kind of electric boosting steering system according to claim 2, it is characterised in that:
The limit body include the first limit body being fixed on the drive shaft and be actively socketed on it is described transmission turn
The second limit body that is on axis and being located at the top of first limit body, between first limit body and second limit body
Equipped with connector,
The crimp body is located at the top of second limit body, and the crimp body has towards second limit body
Lifting displacement.
4. the output shaft supporting device of a kind of electric boosting steering system according to claim 2, it is characterised in that:
The lifting driving source is telescopic cylinder.
5. the output shaft supporting device of a kind of electric boosting steering system according to claim 3, it is characterised in that:
It is conical surface couplings between the crimp body and second limit body.
6. the output shaft supporting device of a kind of electric boosting steering system according to claim 3, it is characterised in that:
The connector is the spring being socketed on the drive shaft, and the spring has for first limit body
With the opposing torque position-limiting action between second limit body.
7. the output shaft supporting device of a kind of electric boosting steering system according to claim 6, it is characterised in that:
The lockable clamps include the collet for having folding displacement and the collet of the driving collet folding operation, the collet
It is connected with second limit body.
8. the output shaft supporting device of a kind of electric boosting steering system according to claim 2, it is characterised in that:
The pedestal is equipped with the postive stop baffle for carrying out stroke limit to the crimp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226532.5U CN209566975U (en) | 2019-02-24 | 2019-02-24 | A kind of output shaft supporting device of electric boosting steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226532.5U CN209566975U (en) | 2019-02-24 | 2019-02-24 | A kind of output shaft supporting device of electric boosting steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209566975U true CN209566975U (en) | 2019-11-01 |
Family
ID=68335124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920226532.5U Expired - Fee Related CN209566975U (en) | 2019-02-24 | 2019-02-24 | A kind of output shaft supporting device of electric boosting steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209566975U (en) |
-
2019
- 2019-02-24 CN CN201920226532.5U patent/CN209566975U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |