CN114312970A - Steering column on-off control device, steering column and vehicle - Google Patents
Steering column on-off control device, steering column and vehicle Download PDFInfo
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- CN114312970A CN114312970A CN202011063077.5A CN202011063077A CN114312970A CN 114312970 A CN114312970 A CN 114312970A CN 202011063077 A CN202011063077 A CN 202011063077A CN 114312970 A CN114312970 A CN 114312970A
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Abstract
The invention relates to the technical field of steering columns and discloses a steering column on-off control device, a steering column and a vehicle. The steering column on-off control device comprises a shifting fork driving unit, a first clutch component and a second clutch component which are sequentially arranged along the axial direction, wherein the shifting fork driving unit comprises a driving shifting fork capable of axially moving, one of the first clutch component and the second clutch component is used as a shifting fork matching component, and the driving shifting fork and the shifting fork matching component can be rotationally matched and can drive the shifting fork matching component to axially move so as to switch between a coupling position and a decoupling position; wherein in the coupled position the first clutch member and the second clutch member are connected for synchronous rotation and in the decoupled position the first clutch member and the second clutch member are disengaged. The on-off control device of the steering column can realize the on-off of the steering torque of the steering column.
Description
Technical Field
The invention relates to the technical field of steering columns, in particular to a steering column on-off control device, a steering column and a vehicle.
Background
A steering column of a vehicle is used to transmit a steering force of a vehicle steering wheel to a steering system of the vehicle to control a traveling direction of the vehicle.
In the modern society, vehicles are more and more widely used, and people have more and more long time to use the vehicles. Therefore, the development of a game device which is convenient to use on the vehicle has great economic value.
Disclosure of Invention
The invention aims to provide a steering column on-off control device which can realize the on-off of the steering torque of a steering column.
In order to achieve the above object, the present invention provides a steering column on-off control apparatus including a shift fork driving unit, a first clutch member and a second clutch member arranged in order along an axial direction, wherein the shift fork driving unit includes a driving shift fork movable in the axial direction, one of the first clutch member and the second clutch member serves as a shift fork engagement member, and the driving shift fork and the shift fork engagement member are rotatably engaged and can drive the shift fork engagement member to move axially to switch between a coupling position and a decoupling position; wherein in the coupled position the first clutch member and the second clutch member are connected for synchronous rotation and in the decoupled position the first clutch member and the second clutch member are disengaged.
In the technical scheme, as the first clutch component and the second clutch component are arranged in sequence along the axial direction, and the driving fork and the fork matching component can be matched in a rotating way and can drive the fork matching component to move axially to switch between the coupling position and the decoupling position, in practical use, at least one of the first clutch component and the second clutch component can be connected with a mandrel of a steering column, in the coupling position, the first clutch component and the second clutch component are connected to rotate synchronously, so that the steering torque of a steering wheel of a vehicle can be transmitted to a steering gear of the vehicle through the first clutch component and the second clutch component, in the decoupling position, the first clutch component and the second clutch component are disengaged, so that the steering torque of the steering wheel can be transmitted to only the first clutch component or the second clutch component which can continuously receive the steering torque, and the steering torque cannot be transmitted to the steering gear, so that the wheels cannot steer even if the steering wheel is turned, and the on-off of the steering torque of the steering column is realized. In the decoupling position, when the hand feeling simulation unit is arranged, a user can simulate hand feeling through steering provided by the hand feeling simulation unit and realize game functions by using the steering wheel and the steering column, for example, racing games and the like.
Furthermore, a bearing is arranged on the shifting fork matching part, and the outer ring of the bearing is connected with the driving shifting fork.
Furthermore, the shifting fork driving unit comprises a limiting unit connected with the driving shifting fork, and the limiting unit is used for keeping the driving shifting fork positioned at the decoupling position.
Furthermore, the driving shifting fork is connected with a driving rod, the limiting unit comprises an elastic limiting column arranged on the driving rod, and the elastic limiting column is used for being matched with an annular limiting structure on a mandrel of the steering column for limiting.
Further, the driving fork is connected with a driving rod, the driving rod comprises a rack rod section which is used for being meshed with a driving gear of the driving device, and the rack rod section forms the limiting unit.
Further, the driving shifting fork is connected with a driving rod, the driving rod comprises a rack rod section which is used for being meshed with a driving gear of the driving device, the limiting unit comprises the rack rod section and an elastic limiting column which is arranged on the driving rod, and the elastic limiting column is used for being matched with an annular limiting structure on a mandrel of a steering column to be limiting.
Furthermore, the shifting fork matching component comprises a shaft rod, an elastic piece is sleeved on the shaft rod, the elastic piece is in an energy storage state at the decoupling position, and the elastic piece releases energy to drive the first clutch component and the second clutch component to be connected at the coupling position.
Further, the first clutch component comprises a first jaw clutch disc, the second clutch component comprises a second jaw clutch disc, and the first jaw clutch disc and the second jaw clutch disc can be disengaged and combined in a nested mode.
Further, the steering column on-off control device comprises a hand feeling simulation unit, wherein in the decoupling position, the hand feeling simulation unit can provide steering simulation hand feeling to one of the first clutch component and the second clutch component which can continuously receive steering torque of a steering wheel.
Furthermore, the shifting fork matching part is arranged to continuously receive the steering torque of the steering wheel at the decoupling position, and the hand feeling simulation unit can synchronously and axially move along with the shifting fork matching part.
Further, the present application provides a steering column including the steering column on-off control apparatus described in any of the above, wherein at least one of the first clutch member and the second clutch member is connected to a mandrel of the steering column.
Further, the mandrel of the steering column comprises an upper section mandrel and a lower section mandrel, wherein the lower section mandrel is axially movably inserted into the upper section mandrel, and the shifting fork matching part is connected with the lower section mandrel, or a shaft rod of the shifting fork matching part is used as the lower section mandrel.
Furthermore, an annular limiting structure which can be matched with an elastic limiting column of a limiting unit of the shifting fork driving unit in a rotating mode to keep the driving shifting fork positioned at the decoupling position is formed on the outer surface of the upper section mandrel.
Further, one end of an elastic piece sleeved on the shifting fork matching part abuts against a stop flange of the shifting fork matching part, the other end of the elastic piece abuts against the lower end face of the upper section mandrel, and when the lower section mandrel moves towards the upper section mandrel, the elastic piece is compressed to start energy storage.
Finally, the present application provides a vehicle provided with a steering column as described above.
Drawings
FIG. 1 is a schematic view of a steering column according to an embodiment of the present invention, in which the structure of a first steering column on-off control apparatus according to an embodiment of the present invention is shown;
fig. 2 is a schematic structural diagram of a second steering column on-off control apparatus according to an embodiment of the present invention.
Description of the reference numerals
1-a first clutch component, 2-a second clutch component, 3-a fork driving unit, 4-a driving fork, 5-a bearing, 6-a driving rod, 7-an elastic limiting column, 8-a driving device, 9-a driving gear, 10-a rack rod section, 11-a first jaw clutch, 12-a second jaw clutch, 13-an elastic part, 14-a hand feeling simulation unit, 15-an upper section mandrel, 16-a lower section mandrel, 17-a belt, 18-a small belt pulley, 19-a large belt pulley and 20-a hand feeling simulation motor.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to fig. 1, the steering column on-off control device provided by the invention comprises a shifting fork driving unit 3, and a first clutch part 1 and a second clutch part 2 which are sequentially arranged along an axial direction, wherein at least one of the first clutch part 1 and the second clutch part 2 is used for connecting a mandrel of a steering column, or is used as a mandrel of the steering column, or is used as a part of the mandrel of the steering column, for example, in fig. 1, the first clutch part 1 is used as a shifting fork matching part, and a shaft rod of the shifting fork matching part is used as a lower mandrel 16, wherein the shifting fork driving unit 3 comprises a driving shifting fork 4 capable of axially moving, one of the first clutch part 1 and the second clutch part 2 is used as a shifting fork matching part, that is, the driving shifting fork 4 can drive the first clutch part 1 to axially move or drive the second clutch part 2 to axially move, and the driving shifting fork 4 and the shifting fork matching part can be rotatably matched and can drive the shifting fork matching part to axially move in order to axially move at the first clutch part 1 and the second clutch part 2 The coupling position and the decoupling position are switched, namely, after the driving shifting fork 4 is matched with the shifting fork matching part, the shifting fork matching part can rotate relative to the driving shifting fork 4, and the driving shifting fork 4 can drive the shifting fork matching part to move axially; wherein in the coupled position the first clutch partner 1 and the second clutch partner 2 are connected for synchronous rotation and in the decoupled position the first clutch partner 1 and the second clutch partner 2 are disengaged.
In the steering column on-off control device, since the first clutch member 1 and the second clutch member 2 are arranged in order along the axial direction, and the driving fork 4 and the fork engaging member are capable of being rotatably engaged and capable of driving the fork engaging member to move axially to switch between the coupling position and the decoupling position, in this way, in practical use, at least one of the first clutch member 1 and the second clutch member 2 may be connected to a mandrel of a steering column, for example, the first clutch member 1 may be connected to an upper mandrel of the steering column, the second clutch member 2 may be connected to a lower mandrel of the steering column, or the first clutch member 1 may be connected to an upper mandrel of the steering column, the second clutch member 2 may be connected to a middle mandrel of the steering column, or the first clutch member 1 may be connected to a lower mandrel, while the second clutch partner 2 serves as a steering torque output, or the second clutch partner 2 can be connected to the upper spindle, while the first clutch partner 1 serves as a steering torque input. In this way, in the coupling position, the first clutch member 1 and the second clutch member 2 are connected to rotate synchronously, so that the steering torque of the steering wheel of the vehicle can be transmitted to the steering gear of the vehicle through the first clutch member 1 and the second clutch member 2, and in the decoupling position, the first clutch member 1 and the second clutch member 2 are disengaged, so that the steering torque of the steering wheel can be transmitted only to the first clutch member 1 or the second clutch member 2 which can continuously receive the steering torque, but cannot be transmitted to the steering gear, so that the wheels cannot be steered even if the steering wheel is rotated, and thus the on-off of the steering torque of the steering column is realized. In the decoupled position, when the hand feeling simulation unit 14 is provided, the user can simulate the hand feeling by steering provided by the hand feeling simulation unit 14 and use the steering wheel and the steering column to realize a game function, such as a racing game or the like.
In this steering column on-off control device, can realize through multiple structural style that drive shift fork 4 and shift fork cooperation part can cooperate and can drive shift fork cooperation part axial displacement rotatoryly, for example, in a structural style, be formed with annular bulge on the shift fork cooperation part, and be formed with the recess on the drive shift fork, the bellied part of annular then can stretch into in the recess, like this, shift fork cooperation part annular bulge's a part is located the recess all the time when the pivoted, then can drive shift fork cooperation part axial displacement when driving shift fork axial displacement. In another kind of structural style, be formed with annular groove on the shift fork cooperation part, and be formed with the bulge on the drive shift fork, the bulge stretches into in the annular groove, like this, shift fork cooperation part bulge stretches into annular groove all the time when the pivoted in, then can drive shift fork cooperation part axial displacement when drive shift fork axial displacement. Alternatively, in other forms of construction, with reference to fig. 1, the fork-engaging part is provided with a bearing 5, for example, the fork-engaging part comprises a shaft or shaft section, on which the bearing 5 is provided, and the outer ring of the bearing 5 is connected to the drive fork 4, for example, the drive fork 4 comprises a half-ring fork, which can be screwed or welded to the outer ring of the bearing 5. Therefore, the shifting fork matching part can be driven to axially move when the shifting fork 4 is driven to axially move while rotating.
In addition, referring to fig. 1, the fork driving unit 3 includes a limit unit connected to the driving fork 4, and the limit unit is used for keeping the driving fork 4 positioned at the decoupling position, so that the driving fork 4 can be reliably and stably positioned at the decoupling position, thereby further reliably keeping the driving fork matching component, such as the first clutch component 1 in fig. 1, at the decoupling position. Of course, the driving fork 4 can be kept and positioned at the decoupling position in other manners, for example, when the bearing 5 is arranged on the fork matching component, an elastic column can be fixedly arranged on the outer ring of the bearing 5, and the elastic columns can respectively extend into the positioning holes in the shell of the steering column, so that the driving fork 4 is kept and positioned at the decoupling position.
Of course, the stop unit may be of various types, as long as it is able to keep the drive fork 4 positioned in the uncoupling position. For example, in an embodiment of the limiting unit, referring to fig. 1, the driving fork 4 is connected with a driving rod 6, and the limiting unit comprises an elastic limiting column 7 arranged on the driving rod 6, and the elastic limiting column 7 is used for matching with an annular limiting structure on a mandrel of a steering column for limiting. Thus, for example, in fig. 1, when the driving fork 4 drives the first clutch component 1 to move axially upward to the decoupling position, the elastic limiting column 7 will be matched with the annular limiting structure on the outer peripheral surface of the upper section mandrel 15 for limiting, so that when the upper section mandrel 15 rotates, the elastic limiting column 7 and the annular limiting structure continue to keep limiting matching.
Alternatively, in another embodiment of the stop unit, with reference to fig. 2, the driving fork 4 is connected with a driving rod 6, the driving rod 6 comprising a rack bar segment 10 for meshing with a driving gear 9 of the driving device 8, the rack bar segment 10 forming the stop unit. In practice, the rack segment 10 can thus mesh with the driving gear 9, the driving gear 9 driving the driving rod 6 to move axially when the driving means 8, for example an electric motor, drives the driving gear 9 to rotate, the driving gear 9 remaining stationary when moving to the uncoupling position, the driving fork 4 remaining positioned in the uncoupling position at this time, since the teeth of the driving gear 9 and the teeth of the rack segment 10 remain meshed.
Alternatively, in another embodiment of the limiting unit, referring to fig. 2, the driving fork 4 is connected with a driving rod 6, the driving rod 6 includes a rack rod section 10 engaged with a driving gear 9 of the driving device 8, the limiting unit includes a rack rod section 10 and an elastic limiting column 7 disposed on the driving rod 6, and the elastic limiting column 7 is used for being matched with an annular limiting structure on a mandrel of the steering column for limiting. Thus, in the embodiment shown in fig. 1 and 2, the driving gear 9 drives the driving rod 6 to move axially, so that when the driving fork 4 drives the first clutch component 1 to move axially upwards to the decoupling position, the elastic limiting column 7 will cooperate with the annular limiting structure on the outer circumferential surface of the upper mandrel 15 to limit to form a location, so that when the upper mandrel 15 rotates, the elastic limiting column 7 and the annular limiting structure continue to keep limiting fit, and meanwhile, in the decoupling position, the driving gear 9 remains stationary, at this time, because the teeth of the driving gear 9 and the teeth of the rack bar segment 10 keep meshing to form another location, the driving fork 4 can be kept and located at the decoupling position more stably and reliably through two locations.
The elastic limiting column 7 may be an elastic column with elasticity, such as a rubber column. Alternatively, the resilient retention post 7 may comprise a post and a spring, such that the post is movably disposed on the drive rod 6 to compress the spring, which upon release will drive the post back into position. The post may extend into an annular groove on the outer circumference of the upper mandrel 15 or may pass over an annular flange on the outer circumference of the upper mandrel 15.
In addition, in fig. 2, when the driving gear 9 drives the driving rod 6 to move axially downwards, a stable and reliable connection between the first clutch component 1 and the second clutch component 2 can be driven. Alternatively, in other embodiments, referring to fig. 1, the fork-engaging member includes a shaft, for example, in fig. 1, the first clutch member 1 includes a shaft, the shaft is sleeved with an elastic member 13, in the decoupling position, the elastic member 13 is in an energy storage state, and in the coupling position, the elastic member 13 is released to drive the first clutch member 1 and the second clutch member 2 to be connected. Of course, in the decoupled position, the elastic member 13 may be in the energy storage state in various ways, for example, the elastic member 13 may be compressed on a stop structure of a housing of the steering column, or the elastic member 13 may be stretched to be in the energy storage state, or, in the embodiment of fig. 1, the steering column on-off control device in actual use, one end of the elastic member 13 abuts on a stop flange of the fork fitting part, the other end abuts on a lower end surface of the upper section spindle 15, and when the lower section spindle 16 moves toward the upper section spindle 15, the elastic member 13 is compressed to start energy storage.
In addition, the first clutch member 1 and the second clutch member 2 may have a structural form, for example, in fig. 1, the first clutch member 1 includes a first dog clutch disk 11, the second clutch member 2 includes a second dog clutch disk 12, and the first dog clutch disk 11 and the second dog clutch disk 12 can be disengaged and nested. Or, in other embodiments, the first clutch member 1 holds a sleeve, the second clutch member 2 includes an insertion shaft, the insertion shaft is inserted into the sleeve, an outer gear ring is formed on an outer circumferential surface of the insertion shaft, an inner gear ring is formed on an inner circumferential surface of the sleeve, and the outer gear ring and the inner gear ring can be engaged or disengaged axially when the first clutch member 1 moves axially.
In addition, referring to fig. 1, the steering column on-off control apparatus includes a hand feeling simulation unit 14, wherein, in the decoupled position, the hand feeling simulation unit 14 can provide a steering simulation hand feeling to one of the first clutch member 1 and the second clutch member 2 that can continue to receive the steering torque of the steering wheel. For example, in fig. 1, in the decoupled position, the feel simulation unit 14 can provide a steering simulated feel to the first clutch member 1, since the first clutch member 1 can continue to receive the steering torque of the steering wheel. Like this, through feeling analog unit 14, in the decoupling position, under the damping effect of feeling analog unit 14, just can feel the same feel of rotating the steering wheel when the user rotates the steering wheel with actually driving the vehicle for the user can experience the recreation sensation through the steering column, simultaneously, because the steering torque can not transmit second clutch parts 2, consequently, in the decoupling position, the wheel will remain static, thereby has avoided the wearing and tearing to the wheel.
In addition, the hand feeling simulation unit 14 can have various structures, for example, it can be a torsion spring sleeved on the first clutch component 1, when the first clutch component 1 rotates, the torsion spring applies a reverse torsion force to provide a steering simulation hand feeling. Alternatively, referring to fig. 1, the hand feeling simulation unit 14 may include a hand feeling simulation motor 20, a small belt pulley 18, a belt 17 and a large belt pulley 19, the large belt pulley 19 is disposed on the first clutch member 1, such that, in the coupling position, the hand feeling simulation motor 20 is not started, the first clutch member 1 rotates to drive the large belt pulley 19 to rotate, and at the same time, the large belt pulley 19 may drive the small belt pulley 18 to idle through the belt 17, and in the decoupling position, the hand feeling simulation motor 20 is started and applies reverse rotation to the first clutch member 1 through the small belt pulley 18, the belt 17 and the large belt pulley 19, thereby providing a steering simulation hand feeling.
Of course, in actual use, the feel simulating unit 14 may be provided on the housing of the steering column. Or, alternatively, when the steering column on-off control device is taken as an integral single product, the shifting fork matching part is set to continuously receive the steering torque of the steering wheel at the decoupling position, and the hand feeling simulation unit 14 can synchronously and axially move along with the shifting fork matching part. For example, in fig. 1, the first clutch member 1 is a fork-engaging member, and the hand feeling simulation unit 14 may be connected to the first clutch member 1, for example, the hand feeling simulation unit 14 may be connected to an outer ring of the bearing 5 provided on the first clutch member 1 to move axially in synchronization with the fork-engaging member. Alternatively, the hand feel simulation unit 14 may be connected to the drive fork 4 for synchronous axial movement with the fork engaging member.
In addition, the present application provides a steering column including the steering column on-off control apparatus described in any of the above, wherein at least one of the first clutch member 1 and the second clutch member 2 is connected to a mandrel of the steering column. Thus, as described above, the steering column can be turned on and off to transmit steering torque by the steering column on-off control device, so that the steering column can have a game function when provided with the hand feeling simulation unit 14.
In addition, the stem of the steering column may have various structures, for example, the stem of the steering column includes an upper stem 15 and a lower stem 16, wherein the lower stem 16 is axially movably inserted into the upper stem 15, a fork engagement member is connected to the lower stem 16, or a shaft of the fork engagement member is used as the lower stem 16. In this way, the drive fork 4 will bring the lower mandrel 16 axially upwards relative to the upper mandrel 15 to move from the coupled position to the uncoupled position, so that the first clutch partner 1 and the second clutch partner 2 are disengaged.
Alternatively, in other embodiments, the mandrels of the steering column include an upper mandrel, a middle mandrel and a lower mandrel arranged in sequence along the axial direction, in which case, the first clutch component 1 and the second clutch component 2 may be connected between the upper mandrel and the middle mandrel, or between the middle mandrel and the lower mandrel, or connected at one end of the upper mandrel far away from the middle mandrel, or connected at one end of the lower mandrel far away from the middle mandrel.
In addition, referring to fig. 1, an annular stopper structure capable of rotatably cooperating with the elastic stopper post 7 of the stopper unit of the fork driving unit 3 to keep the driving fork 4 positioned at the decoupling position is formed on the outer surface of the upper stage mandrel 15. Thus, in the decoupling position, the elastic limiting column 7 can be in limiting fit with the annular limiting structure. The annular limiting structure can be an annular groove or an annular flange, and the upper surface and the lower surface of the annular flange in the axial direction can be respectively formed into inclined surfaces, so that the elastic limiting column 7 can more easily slide over the inclined surfaces.
In addition, referring to fig. 1, one end of the elastic member 13 sleeved on the fork fitting part abuts on the stop flange of the fork fitting part, and the other end abuts on the lower end surface of the upper section mandrel 15, and when the lower section mandrel 16 moves towards the upper section mandrel 15, the elastic member 13 is compressed to start energy storage. In the coupled position, the elastic element 13 releases energy to drive the first clutch component 1 and the second clutch component 2 to be combined more stably and reliably.
Finally, the present application provides a vehicle provided with a steering column as described in any of the above.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (15)
1. A steering column on-off control device is characterized by comprising a shifting fork driving unit (3), a first clutch component (1) and a second clutch component (2) which are sequentially arranged along the axial direction, wherein,
the fork driving unit (3) comprises a driving fork (4) capable of moving axially, one of the first clutch part (1) and the second clutch part (2) is used as a fork matching part, and the driving fork (4) and the fork matching part can be matched in a rotating mode and can drive the fork matching part to move axially to switch between a coupling position and a decoupling position;
wherein in the coupled position the first clutch partner (1) and the second clutch partner (2) are connected for synchronous rotation and in the decoupled position the first clutch partner (1) and the second clutch partner (2) are disengaged.
2. The steering column on-off control device according to claim 1, wherein a bearing (5) is provided on the fork engagement member, and an outer ring of the bearing (5) is connected to the driving fork (4).
3. Steering column on-off control device according to claim 1, characterized in that the fork drive unit (3) comprises a stop unit connected to the drive fork (4) for keeping the drive fork (4) positioned in the uncoupling position.
4. The steering column on-off control device according to claim 3, characterized in that the driving fork (4) is connected with a driving rod (6), the limiting unit comprises an elastic limiting column (7) arranged on the driving rod (6), and the elastic limiting column (7) is used for being matched with an annular limiting structure on a mandrel of a steering column for limiting.
5. Steering column on-off control device according to claim 3, characterized in that a drive rod (6) is connected to the drive fork (4), the drive rod (6) comprising a rack rod section (10) for meshing with a drive gear (9) of a drive device (8), the rack rod section (10) forming the stop unit.
6. The steering column on-off control device according to claim 3, characterized in that the driving fork (4) is connected with a driving rod (6), the driving rod (6) comprises a rack rod section (10) engaged with a driving gear (9) of a driving device (8), the limiting unit comprises the rack rod section (10) and an elastic limiting column (7) arranged on the driving rod (6), and the elastic limiting column (7) is used for being matched with an annular limiting structure on a mandrel of a steering column for limiting.
7. The steering column on-off control device according to claim 1, wherein the fork engaging member comprises a shaft, and an elastic member (13) is sleeved on the shaft, and in the decoupling position, the elastic member (13) is in an energy storage state, and in the coupling position, the elastic member (13) releases energy to drive the first clutch member (1) and the second clutch member (2) to be connected.
8. The steering column on-off control apparatus according to claim 1, wherein the first clutch member (1) includes a first dog clutch plate (11), and the second clutch member (2) includes a second dog clutch plate (12), and the first dog clutch plate (11) and the second dog clutch plate (12) are disengageable and nestable.
9. Steering column on-off control device according to one of claims 1 to 8, characterized in that it comprises a hand feel simulation unit (14), wherein in the decoupled position the hand feel simulation unit (14) can provide a steering simulation hand feel to one of the first clutch part (1) and the second clutch part (2) which can continue to receive the steering torque of the steering wheel.
10. Steering column on-off control device according to claim 9, characterized in that the fork counterpart is arranged to continue to receive the steering torque of the steering wheel in the decoupled position, the hand feel simulation unit (14) being axially movable in synchronism with the fork counterpart.
11. A steering column, comprising a steering column on-off control device according to any one of claims 1 to 10, wherein at least one of the first clutch member (1) and the second clutch member (2) is connected to a mandrel of the steering column.
12. Steering column according to claim 11, characterized in that the mandrels of the steering column comprise an upper section mandrel (15) and a lower section mandrel (16), wherein the lower section mandrel (16) is axially movably inserted into the upper section mandrel (15), and the fork engagement part is connected to the lower section mandrel (16), or the shaft of the fork engagement part serves as the lower section mandrel (16).
13. Steering column according to claim 12, characterized in that the outer surface of the upper mandrel (15) is formed with an annular stop formation able to cooperate rotatably with the elastic stop post (7) of the stop unit of the fork drive unit (3) to keep the drive fork (4) positioned in the uncoupling position.
14. Steering column according to claim 12 or 13, characterized in that the spring (13) fitted on the fork engagement part abuts with its one end against a stop flange of the fork engagement part and with its other end against the lower end face of the upper mandrel (15), the spring (13) being compressed to start energy storage when the lower mandrel (16) is moved towards the upper mandrel (15).
15. A vehicle, characterized in that it is provided with a steering column according to any one of claims 11-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011063077.5A CN114312970A (en) | 2020-09-30 | 2020-09-30 | Steering column on-off control device, steering column and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011063077.5A CN114312970A (en) | 2020-09-30 | 2020-09-30 | Steering column on-off control device, steering column and vehicle |
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| CN202011063077.5A Pending CN114312970A (en) | 2020-09-30 | 2020-09-30 | Steering column on-off control device, steering column and vehicle |
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