CN209581608U - A kind of dynamic servo steering device of new-energy electric vehicle - Google Patents
A kind of dynamic servo steering device of new-energy electric vehicle Download PDFInfo
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- CN209581608U CN209581608U CN201822261537.XU CN201822261537U CN209581608U CN 209581608 U CN209581608 U CN 209581608U CN 201822261537 U CN201822261537 U CN 201822261537U CN 209581608 U CN209581608 U CN 209581608U
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Abstract
A kind of dynamic servo steering device of new-energy electric vehicle, it is related to the electric boosted technical field of New-energy electric vehicle, including motor, shell is installed, tubing string and controller, it is characterized in that, input and output shaft assembly is installed in the mounting shell body, the input and output shaft assembly includes nylon support base, output shaft, torsion bar, worm gear and input shaft, it installs and is equipped with chuck at the mounting hole of shell lower end, a bearing I is equipped in chuck, annular slot is provided in the mounting shell body, circlip is equipped in annular slot, the circlip is stuck in the upper end of I outer ring of bearing, bearing I is stuck in chuck；The nylon support base is fixed on the intracorporal middle part of mounting shell, bearing II is installed in the middle part of the nylon support base, the inner ring of the bearing I and bearing II is mounted on output shaft, it is more compact that this new-energy electric vehicle moves servo steering device internal structure, monnolithic case is smaller, it assembles more convenient, is more applicable for New-energy electric vehicle.
Description
Technical field:
The utility model relates to the electric boosted technical field of New-energy electric vehicle more particularly to a kind of New energy electric vapour
Vehicular electric servo steering device.
Background technique:
With the development of the social economy, New-energy electric vehicle development is very fast, people help the steering of electric car
Power is increasingly paid close attention to, and since electric car has engine without image of Buddha routine fuel-engined vehicle, there is hydraulic power source, fluid-link steering can be used
Power-assisted, and electric power steering power-assisted only needs power supply and does not have to hydraulic power source, therefore, electric power steering has become electric car mark
Quasi- configuration, however, electric automobile market is electronic at present helps conventionally, as the space of electric car cab is nervous
The monnolithic case of power transfer is larger, causes to interfere frequent occurrence when assembly, and installation electric steering column needs to adjust former vehicle
Structure increases production cost；There is also internal structures to be not easy for electric power steering apparatus traditional on electric automobile market at present
The problems such as assembly.Lack that a kind of internal structure is more compact, and monnolithic case is relatively small in the prior art, assemble it is more convenient,
It is more applicable for the electric power steering apparatus of New-energy electric vehicle.
Utility model content:
In order to solve the above-mentioned technical problem, the utility model provides a kind of dynamic power-assisted steering of new-energy electric vehicle
Device, internal structure is more compact, and monnolithic case is smaller, and assembly is more convenient, is more applicable for New-energy electric vehicle.
The utility model is realized by following technical proposals:
A kind of dynamic servo steering device of new-energy electric vehicle, including motor, installation shell, tubing string and control
Device, characterized in that input and output shaft assembly is equipped in the mounting shell body, the input and output shaft assembly includes nylon support
Seat, output shaft, torsion bar, worm gear and input shaft are equipped with chuck at the mounting hole of the installation shell lower end, one are equipped in chuck
A bearing I is provided with annular slot in the mounting shell body, is equipped with circlip in annular slot, the circlip is stuck in I outer ring of bearing
Bearing I is stuck in chuck by upper end；The nylon support base is fixed on the intracorporal middle part of mounting shell, in the nylon support base
Portion is equipped with bearing II, and the inner ring of the bearing I and bearing II is mounted on output shaft.
It further include the noncontacting proximity sensor of output torque and angular signal in the other side of the utility model,
The sensor iron hoop of the noncontacting proximity sensor is fixed on output shaft, and the sensor body of noncontacting proximity sensor is mounted on
It is connect on input shaft and by sensor harness with controller.
In the other side of the utility model, sensor iron hoop is rigidly attached to by outer circle cooperation and laser welding
On output shaft, sensor body is rigidly attached on input shaft by outer circle cooperation and laser welding, and controller passes through motor lines
Beam is connected to motor.
In the other side of the utility model, the installation shell is fixedly connected with upper cover, and the upper cover is fixed on
On tubing string, the motor is fixed on installation shell, and the shaft of the motor is connected with worm screw, the snail by shaft coupling
Bar is connect with the worm-drive on input and output shaft assembly.
It further include steering shaft in the other side of the utility model, input shaft is equipped with external splines, the steering shaft
It is equipped with the internal spline matched with external splines on input shaft.
In the other side of the utility model, the spline of the input shaft is three-stage spline, adjacent spline it
Between be arranged fluted, be provided with injecting hole corresponding with groove location in steering shaft, soft fixed input shaft be filled in groove
With the mould-injection of steering shaft.
The beneficial effects of the utility model are: this new-energy electric vehicle is moved in servo steering device mounting shell body
Portion's mounting structure is more compact, so that monnolithic case is relatively small, assembly is more convenient, and occupied space is relatively small, is suitable for
New-energy electric vehicle；Lubricating grease is splashed to biography during nylon support base also can avoid Worm Wheel System in addition to supporting role
Above sensor, and then avoid influence of the lubricating grease to sensor normal use.
Detailed description of the invention:
Fig. 1 is the utility model embodiment overall structure schematic front view.
Fig. 2 is the utility model embodiment schematic cross-sectional view.
Fig. 3 is Fig. 2 partial enlargement diagram.
Fig. 4 is input and output shaft component structure diagram in the utility model embodiment.
Fig. 5 is structural schematic diagram at worm and gear in utility model embodiment.
Fig. 6 is the utility model embodiment external perspective structural representation.
In attached drawing: 1, motor, 2, installation shell, 3, tubing string, 4, controller, 5, bearing I, 6, upper cover, 7, steering shaft, 8, defeated
Shaft, 9, torsion bar, 10, worm gear, 11, nylon support base, 12, bearing II, 13, needle bearing, 14, sensor iron hoop, 15. sensings
Device ontology, 16, input shaft, 17, pin shaft, 18, shaft coupling, 19, worm screw, 20, circlip.
Specific embodiment:
The embodiments of the present invention is described further with reference to the accompanying drawings and embodiments:
In the description to the utility model, it is to be understood that indicating position or positional relationship are described as based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model protection range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
A kind of dynamic servo steering device of new-energy electric vehicle, including motor 1, installation shell 2, tubing string 3 and control
Device 4 processed, is equipped with input and output shaft assembly in the installation shell 2, the input and output shaft assembly include nylon support base 11,
Output shaft 8, torsion bar 9, worm gear 10 and input shaft 16 are equipped with chuck at the mounting hole of installation 2 lower end of shell, set in chuck
There is a bearing I 5, annular slot is provided in the installation shell 2, is equipped with circlip 20 in annular slot, the circlip 20 is stuck in
The upper end of I 5 outer ring of bearing, bearing I 5 is stuck in chuck；The nylon support base 11 is fixed on the middle part in installation shell 2,
The material of nylon support base 11 is nylon, and the top and bottom of nylon support base 11 have limiting slot, is installed in shell 2
Portion is welded with limit strip compatible with limiting slot, and limit strip is stuck in limiting slot that nylon support base 11 is fixed
Firmly, bearing II 12 is installed, the inner ring of the bearing I 5 and bearing II 12 is mounted on output shaft 8 in the middle part of the nylon support base 11
On.It further include the noncontacting proximity sensor of output torque and angular signal, extra large pull sensor can be used in noncontacting proximity sensor, non-
The sensor iron hoop 14 of touch sensor is fixed on output shaft, and the sensor body 15 of noncontacting proximity sensor is mounted on defeated
Enter on axis and is connect by sensor harness with controller 4.Sensor iron hoop 14 is rigidly connected by outer circle cooperation and laser welding
It connects on output shaft, sensor body 15 is rigidly attached on input shaft by outer circle cooperation and laser welding, and controller 4 passes through
Motor harness is connected to motor.The installation shell 2 is fixedly connected with upper cover 6, and the upper cover 6 is fixed on tubing string, the electricity
Machine is fixed on installation shell 2, and the shaft of the motor is connected with worm screw, the worm screw and input and output by shaft coupling
Worm-drive connection on shaft assembly.It further include steering shaft, input shaft is equipped with external splines, and the steering shaft is equipped with and input
The internal spline that external splines matches on axis.The spline of the input shaft is three-stage spline, is provided between adjacent spline recessed
Slot, is provided with injecting hole corresponding with groove location in steering shaft, filled with soft fixed input shaft and steering shaft in groove
Mould-injection.
By the mobile leakage length for realizing steering shaft in tubing string of spline, input shaft and steering shaft are determined according to tubing string length
After length, be molded by 2 injecting holes in steering shaft, soft fixed input shaft and steering shaft, it is such connection avoid by
The tubing string assembly difficulty caused by input shaft, steering shaft, tubing string length cumulative errors is larger, is suitable for batch and generates, meets whole
Vehicle collides the requirement for needing tubing string crumple, improves vehicle security.
Due to using noncontacting proximity sensor, signal is exported using two-way redundancy, and torque and angular signal, torque are differentiated
Rate acquires signal accuracy height up to 0.0039o, corner resolution 0.013o, 1 ° of torque precision < 0.1o, angle precision <, raw
The period is ordered up to 15 years or 240,000 kilometers, the service life is long, and output angle range ± 738 °, output area is wide, and applicable vehicle is extensive, solution
Existing New-energy electric vehicle sensor signal precision of having determined is low, it is affected by environment it is big, the service life is short, needs repairing, non-angular
The disadvantages of signal.
Bearing II 12 on bearing I 5 and nylon support base 11 plays supporting role, this support side to output shaft jointly
Compared with 2 bearings are installed in a manner of supporting output shaft in installation 2 lower end of shell, peace is more fully utilized with traditional in formula
Space is filled, structure is more compact, so that monnolithic case is relatively small, bearing I 5 is fixed using chuck and the installation of circlip 20, both side
Civilian dress is with saving installation space again.Nylon support base 11 is nylon material, not only reduces weight, it is thus also avoided that worm and gear passes
Lubricating grease is splashed to above noncontacting proximity sensor during dynamic, and then is avoided lubricating grease and normally made to noncontacting proximity sensor
Influence.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (6)
1. a kind of new-energy electric vehicle moves servo steering device, including motor, installation shell, tubing string and controller,
It is characterized in that be equipped with input and output shaft assembly in the mounting shell body, the input and output shaft assembly include nylon support base,
Output shaft, torsion bar, worm gear and input shaft are equipped with chuck at the mounting hole of the installation shell lower end, one are equipped in chuck
Bearing I is provided with annular slot in the mounting shell body, is equipped with circlip in annular slot, the circlip is stuck in the upper of I outer ring of bearing
End, bearing I is stuck in chuck；The nylon support base is fixed on the intracorporal middle part of mounting shell, the nylon support base middle part
Bearing II is installed, the inner ring of the bearing I and bearing II is mounted on output shaft.
2. a kind of new-energy electric vehicle according to claim 1 moves servo steering device, which is characterized in that also wrap
The noncontacting proximity sensor of output torque and angular signal is included, the sensor iron hoop of the noncontacting proximity sensor is fixed on output
On axis, the sensor body of noncontacting proximity sensor is mounted on input shaft and is connect by sensor harness with controller.
3. a kind of new-energy electric vehicle according to claim 2 moves servo steering device, which is characterized in that sensing
Device iron hoop is rigidly attached on output shaft by outer circle cooperation and laser welding, and sensor body is cooperated by outer circle and Laser Welding
It connects and is rigidly attached on input shaft, controller is connected to motor by motor harness.
4. a kind of new-energy electric vehicle according to claim 1 moves servo steering device, which is characterized in that described
Installation shell is fixedly connected with upper cover, and the upper cover is fixed on tubing string, and the motor is fixed on installation shell, described
The shaft of motor is connected with worm screw by shaft coupling, and the worm screw connect with the worm-drive on input and output shaft assembly.
5. a kind of new-energy electric vehicle according to claim 1 moves servo steering device, which is characterized in that also wrap
Steering shaft is included, input shaft is equipped with external splines, and the steering shaft is equipped with the internal spline matched with external splines on input shaft.
6. a kind of new-energy electric vehicle according to claim 5 moves servo steering device, which is characterized in that described
The spline of input shaft is three-stage spline, is arranged between adjacent spline fluted, is provided in steering shaft opposite with groove location
The injecting hole answered, the interior mould-injection for being filled with soft fixed input shaft and steering shaft of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261537.XU CN209581608U (en) | 2018-12-30 | 2018-12-30 | A kind of dynamic servo steering device of new-energy electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261537.XU CN209581608U (en) | 2018-12-30 | 2018-12-30 | A kind of dynamic servo steering device of new-energy electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209581608U true CN209581608U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822261537.XU Active CN209581608U (en) | 2018-12-30 | 2018-12-30 | A kind of dynamic servo steering device of new-energy electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941062A (en) * | 2020-07-15 | 2020-11-17 | 和氏工业技术股份有限公司 | Assembly process of electric power steering gear assembly |
-
2018
- 2018-12-30 CN CN201822261537.XU patent/CN209581608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941062A (en) * | 2020-07-15 | 2020-11-17 | 和氏工业技术股份有限公司 | Assembly process of electric power steering gear assembly |
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