CN209705236U - The input shaft clamping tool of electric boosting steering system - Google Patents
The input shaft clamping tool of electric boosting steering system Download PDFInfo
- Publication number
- CN209705236U CN209705236U CN201920226531.0U CN201920226531U CN209705236U CN 209705236 U CN209705236 U CN 209705236U CN 201920226531 U CN201920226531 U CN 201920226531U CN 209705236 U CN209705236 U CN 209705236U
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- CN
- China
- Prior art keywords
- drive shaft
- supporter
- clamping
- steering system
- input shaft
- 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.)
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Abstract
The utility model discloses the input shaft clamping tool of electric boosting steering system, clamping and transmission are carried out for the input shaft to electric boosting steering system, including pedestal, pedestal is equipped with one and has the drive shaft for rotating freely displacement, the top of drive shaft is equipped with the driving clamping portion for clamping outer drive shaft, the bottom end of drive shaft is equipped with the input clamping portion for clamping input shaft top, wherein pedestal is equipped with the interference mechanism for carrying out rotary locking or release to drive shaft.The utility model carries out the linkage between input shaft and drive shaft by the design of drive shaft, and has the latch functions to drive shaft, meets the application demand of calibration facility.Lockable mechanism and driving clamping portion between couplings it is ingenious so that the locking of drive shaft and loosen operation with driving clamping portion folding operation be connected, meet the needs of linkage driving.It is strong to design globality, is easy to carry and promote and apply.
Description
Technical field
The utility model relates to the input shaft clamping tools of electric boosting steering system, belong to the technology neck of transmission tooling
Domain.
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.
And when carrying out calibration operation, the shaft coupling for carrying out input transmission power source and EPS input terminal is coupled, and generally directly adopts
It is coupled with shaft coupling, and shaft coupling only has transmission effect, cannot achieve locking effect, in addition, shaft coupling and input pass
It is coupled complex between the drive shaft in dynamic source, influences the docking of electric boosting steering system and disassembly operating efficiency.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, has a single function and is coupled for traditional shaft coupling
The longer problem of complicated and time consumption proposes the input shaft clamping tool of electric boosting steering system.
In order to achieve the above object, the technology employed by the present utility model is
The input shaft clamping tool of electric boosting steering system, fills for the input shaft to electric boosting steering system
Folder and transmission,
Including pedestal, the pedestal is equipped with one and has the drive shaft for rotating freely displacement, the top of the drive shaft
End is equipped with the driving clamping portion for clamping outer drive shaft, and the bottom end of the drive shaft is equipped with for clamping the input shaft
The input clamping portion on top,
Wherein, the pedestal is equipped with the interference mechanism for carrying out rotary locking or release to the drive shaft.
Preferably, the pedestal includes the first supporter and the second supporter, and second supporter is located at described first
The top of supporter, the drive shaft run through first supporter and the second supporter, and any supporter is equipped with limit
Bearing.
Preferably, the interference mechanism includes several telescoping mechanisms being arranged on second supporter, several flexible
The telescopic end of mechanism is connected with a limit base being located at the top of second supporter, and the limit base is equipped with to be turned for the transmission
The through-hole that axis passes through, and the bottom end of the through-hole is equipped with the limit conical surface,
The drive shaft is equipped with the stop collar between the limit base and second supporter, the limit
Ring is equipped with the abutting conical surface matched with the limit conical surface.
Preferably, it is additionally provided on the pedestal and is used to carry out displacement limit to the limit base at the top of the limit base
The third supporter of position.
Preferably, the third supporter is equipped with central through slot, and the limit base is equipped with vertical sliding motion and is arranged in institute
The lug boss in central through slot is stated, the through-hole is located on the lug boss.
Preferably, the pedestal is equipped with several the first supporter, the second supporter and third supporters of being used for and carries out phase
To the guide rod that position is fixed, the limit base sliding mating is on the guide rod.
Preferably, the stop collar is actively socketed on the drive shaft, and the stop collar and the transmission turn
It is equipped with circumferential position limiting structure between axis, elastic component is equipped between the stop collar and second supporter.
Preferably, the elastic component is the spring being socketed on the drive shaft.
Preferably, the driving clamping portion includes having the clamping end of opposite folding displacement and for driving the clamping
The driving body of end folding operation, the clamping end are fixed on the drive shaft, the driving body and the stop collar
Joint.
It preferably, is detachable assembling structure between the clamping end and the drive shaft.
The beneficial effects of the utility model are mainly reflected in:
1. carrying out the linkage between input shaft and drive shaft by the design of drive shaft, and have to drive shaft
Latch functions meet the application demand of calibration facility.
2. the couplings between lockable mechanism and driving clamping portion are ingenious, so that the locking of drive shaft and loosening operation
Folding operation with driving clamping portion is connected, and meets the needs of linkage driving.
3. it is strong to design globality, it is easy to carry and promote and apply.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the input shaft clamping tool of the utility model electric boosting steering system.
Fig. 2 is the structural schematic diagram of the input shaft clamping tool of the utility model electric boosting steering system.
Specific embodiment
The input shaft clamping tool of the utility model offer electric boosting steering system.It is practical new to this below in conjunction with attached drawing
Type technical solution is described in detail, so that it is more readily understood and grasps.
The input shaft clamping tool of electric boosting steering system, fills for the input shaft to electric boosting steering system
Folder and transmission, use as the transmission between input transmission power source and input shaft.
As depicted in figs. 1 and 2, including pedestal 1, pedestal 1 are equipped with one and have the drive shaft 2 for rotating freely displacement, pass
The top of turn axis 2 is equipped with the driving clamping portion 3 for clamping outer drive shaft, and the bottom end of drive shaft 2 is equipped with for clamping
The input clamping portion 4 on input shaft top.
Wherein, pedestal 1 is equipped with the interference mechanism 5 for carrying out rotary locking or release to drive shaft 2.
It specifically describes, when being detected to electric boosting steering system or demarcating operation, not only needs to input shaft
Be driven, it is also necessary to carry out the limit locking to input shaft and fix, when input shaft is in static, be just able to achieve each axis body it
Between connection and separation.And this case is directed to interference mechanism 5 and realizes to the switching operation of drive shaft 2.
In a specific embodiment, as shown in Figure 1, pedestal 1 include the first supporter 11 and the second supporter 12, second
Supporter 12 is located at the top of the first supporter 11, and drive shaft 2 runs through the first supporter 11 and the second supporter 12, and passes
Limit Bearing is respectively equipped between the shaft of turn axis 2 and the first supporter 11, the second supporter 12.
Meet the spinning demand of drive shaft 2, and axially stablizes.
Interference mechanism 5 in this case is stressed, if interference mechanism 5 includes being arranged on the second supporter 12
Dry telescoping mechanism 6, the telescopic end of several telescoping mechanisms 6 are connected with a limit base 7 for being located at 12 top of the second supporter, limit base
7 are equipped with the through-hole 71 passed through for drive shaft 2, and the bottom end of through-hole 71 is equipped with the limit conical surface 72.
Drive shaft 2 is equipped with the stop collar 21 between limit base 7 and the second supporter 12, and stop collar 21 is equipped with
The abutting conical surface 22 matched with the limit conical surface 72.
Specifically realize explanation, when telescopic cylinder by limit base 7 towards driving clamping portion 3 push when, limit the conical surface 72 with
The separation of 22 phase of the conical surface is abutted, drive shaft 2 is in free rotation state at this time.
And when limit base 7 is declined and is driven by telescopic cylinder, the limit conical surface 72 with abut the conical surface 22 and abut against, be driven at this time
Shaft 2 is in rotary locking state.
In a specific embodiment, it is additionally provided on pedestal 1 positioned at 7 top of limit base for carrying out position to limit base 7
Move the third supporter 13 of limit.
The third supporter 13 is used to limit the displacement stroke of limit base, protects as stroke.
The specific embodiment is refined, third supporter 13 is equipped with central through slot, and limit base 7 is equipped with vertically
The lug boss being slidably arranged in central through slot, through-hole 71 are located on lug boss.
The mark of lug boss and central through slot is omitted in attached drawing, the structure is as third supporter 13 to limit base 7
Verticality stroke navigation designing, it is ensured that the stroke verticality of limit base 7 is reliable, meets locking job requirements.
It is carried out relatively more specifically, pedestal 1 is equipped with several the first supporter, the second supporter and third supporters of being used for
The fixed guide rod 14 in position, and the sliding mating of limit base 7 is on guide rod 14.
Guide rod 14 is similar to the central design of through slot to above-mentioned lug boss, stablizes also for the stroke for ensureing limit base 7
Property, while stablize 1 overall structure of pedestal.
In a specific embodiment, stop collar 21 is actively socketed on drive shaft 2, and stop collar 21 and transmission turn
It is equipped with circumferential position limiting structure between axis 2, elastic component 8 is equipped between stop collar 21 and the second supporter 12.
Specifically describe, stop collar 21 has the axial stroke of opposite drive shaft 2, when limit the conical surface 72 with abut the conical surface
During 22 abut against, 8 compressive deformation of elastic component generates limit when elastic-restoring force makes abutting frictional force reach requirement
Effect, the design of the elastic component 8 prevent hardness from abutting the case where damaging for flexible locking.The elastic component 8 is to be socketed in
Spring on drive shaft 2.
Certainly, there may also be others to design between stop collar 21, drive shaft 2 and elastic component 8, as long as being able to satisfy limit
Circumferential limit function of the position ring 21 to drive shaft 2.
It can be illustrated, have bottom stop collar and upper limit ring on drive shaft 2, and elastic component 8 is arranged
Between bottom stop collar and upper limit ring, upper limit ring is sliding couplings, bottom stop collar and 2 phase of drive shaft
Affixed, elastic component 8 is able to satisfy circumferential clocking of turbine and axial compressibility between bottom stop collar and upper limit ring.In this way, also
It is able to achieve the design requirement of this case.
In a specific embodiment, driving clamping portion 3 includes having the clamping end 31 of opposite folding displacement and for driving
Dynamic clamping end 31 opens and closes the driving body 32 of operation, and clamping end 31 is fixed on drive shaft 2, driving body 31 and stop collar 21
Joint.
Refinement explanation is carried out to the driving mating between driving collet 32 and clamping end 31, driving collet 32 has and clamps
31 conical surfaces that match of end connect face contact, and the so-called face that connects can be formed by the pin rod of radial difference, by rising or
Decline is cooperated with clamping end.By the wide variety of the opening-closing clamp of driving body lifting driving, no longer illustrate one by one.
It specifically describes, is designed in this way the operation linkage of the operation linkage for meeting release and clamping, locking and release.
Refinement ground, when limit base 7 is driven rising displacement, the limit conical surface 72 is separated with 22 phase of the conical surface is abutted, drive shaft 2
In free rotation state, and synchronously, anti-operation power of the stop collar 21 by spring generates driving body 32 and rises driving
Displacement, the rising drive displacement make clamping end 31 be in clamping state.
And conversely, when limit base 7 be driven decline displacement when, limit 72 pairs of abutting conical surfaces 22 of the conical surface have decline driving, drive
Dynamic body 32 makes clamping end 31 be in openning shape, and drive shaft 2 is in lockup state.
Finally, be detachable assembling structure between clamping end 31 and drive shaft 2, and drive body 32 and stop collar 21 it
Between be also detachable mating, clamping end 31 and driving body 32 can be replaced according to different drive shafts.
By above description it can be found that the input shaft clamping tool of the utility model electric boosting steering system, passes through
The design of drive shaft carries out the linkage between input shaft and drive shaft, and has the latch functions to drive shaft, meets
The application demand of calibration facility.Couplings between lockable mechanism and driving clamping portion are ingenious, so that the locking of drive shaft
And loosen operation and be connected with the folding operation in clamping portion is driven, meet the needs of linkage driving.It is strong to design globality, is easy to take
It carries and promotes and applies.
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 (10)
1. the input shaft clamping tool of electric boosting steering system carries out clamping for the input shaft to electric boosting steering system
And transmission, it is characterised in that:
Including pedestal, the pedestal is equipped with one and has the drive shaft for rotating freely displacement, and the top of the drive shaft is set
There is the driving clamping portion for clamping outer drive shaft, the bottom end of the drive shaft is equipped with for clamping the input shaft top
Input clamping portion,
Wherein, the pedestal is equipped with the interference mechanism for carrying out rotary locking or release to the drive shaft.
2. the input shaft clamping tool of electric boosting steering system according to claim 1, it is characterised in that:
The pedestal includes the first supporter and the second supporter, and second supporter is located at the top of first supporter
Portion, the drive shaft run through first supporter and the second supporter.
3. the input shaft clamping tool of electric boosting steering system according to claim 2, it is characterised in that:
The interference mechanism includes several telescoping mechanisms being arranged on second supporter, the telescopic end of several telescoping mechanisms
It is connected with a limit base being located at the top of second supporter, the limit base is equipped with to be led to for what the drive shaft passed through
Hole, and the bottom end of the through-hole is equipped with the limit conical surface,
The drive shaft is equipped with stop collar between the limit base and second supporter, on the stop collar
Equipped with the abutting conical surface matched with the limit conical surface.
4. the input shaft clamping tool of electric boosting steering system according to claim 3, it is characterised in that:
The third branch for being used to carry out the limit base displacement position-limiting being additionally provided on the pedestal at the top of the limit base
Support body.
5. the input shaft clamping tool of electric boosting steering system according to claim 4, it is characterised in that:
The third supporter is equipped with central through slot, and the limit base is equipped with vertical sliding motion and is arranged in the central through slot
Lug boss, the through-hole is located on the lug boss.
6. the input shaft clamping tool of electric boosting steering system according to claim 4, it is characterised in that:
The pedestal is equipped with several the first supporter, the second supporter and third supporters of being used for and carries out what relative position was fixed
Guide rod, the limit base sliding mating is on the guide rod.
7. the input shaft clamping tool of electric boosting steering system according to claim 3, it is characterised in that:
The stop collar is actively socketed on the drive shaft, and week is equipped between the stop collar and the drive shaft
To position limiting structure, elastic component is equipped between the stop collar and second supporter.
8. the input shaft clamping tool of electric boosting steering system according to claim 7, it is characterised in that:
The elastic component is the spring being socketed on the drive shaft.
9. the input shaft clamping tool of electric boosting steering system according to claim 7, it is characterised in that:
The driving clamping portion includes having the clamping end of opposite folding displacement and for driving the clamping end folding operation
Body is driven, the clamping end is fixed on the drive shaft, the driving body and the stop collar Joint.
10. the input shaft clamping tool of electric boosting steering system according to claim 9, it is characterised in that:
It is detachable assembling structure between the clamping end and the drive shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226531.0U CN209705236U (en) | 2019-02-24 | 2019-02-24 | The input shaft clamping tool of electric boosting steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920226531.0U CN209705236U (en) | 2019-02-24 | 2019-02-24 | The input shaft clamping tool of electric boosting steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705236U true CN209705236U (en) | 2019-11-29 |
Family
ID=68643754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920226531.0U Expired - Fee Related CN209705236U (en) | 2019-02-24 | 2019-02-24 | The input shaft clamping tool of electric boosting steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705236U (en) |
-
2019
- 2019-02-24 CN CN201920226531.0U patent/CN209705236U/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: 20191129 |