CN114537507B - Decoupling or coupling device, steering system and vehicle - Google Patents
Decoupling or coupling device, steering system and vehicle Download PDFInfo
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- CN114537507B CN114537507B CN202011352868.XA CN202011352868A CN114537507B CN 114537507 B CN114537507 B CN 114537507B CN 202011352868 A CN202011352868 A CN 202011352868A CN 114537507 B CN114537507 B CN 114537507B
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- engagement structure
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- 230000008878 coupling Effects 0.000 title claims abstract description 52
- 238000010168 coupling process Methods 0.000 title claims abstract description 52
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 210000001503 joint Anatomy 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims description 30
- 230000013011 mating Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/20—Connecting steering column to steering gear
Abstract
The application discloses a decoupling or coupling device, a steering system and a vehicle. The decoupling or coupling device comprises an output shaft, a shaft sleeve, a sliding sleeve, a transmission sleeve and a first driving mechanism, wherein the output shaft can rotate relative to the shaft sleeve; the shaft sleeve can drive the sliding sleeve to rotate; the transmission sleeve can drive the output shaft to rotate; the sliding sleeve and the transmission sleeve are oppositely arranged along the axial direction of the output shaft; the end face of the sliding sleeve is provided with a first engagement structure, and the end face of the transmission sleeve is provided with a second engagement structure matched with the first engagement structure; under the condition that the first engagement structure is in butt joint with the second engagement structure, the sliding sleeve can drive the transmission sleeve to rotate; the first driving mechanism is connected with the sliding sleeve, can drive the sliding sleeve to slide along the axial direction of the output shaft and has a first position and a second position; the first engagement structure and the second engagement structure are separated from each other when the sliding sleeve is located at the first position; the first engagement structure interfaces with the second engagement structure with the sliding sleeve in the second position.
Description
Technical Field
The present disclosure relates to the field of vehicle steering control devices, and more particularly, to a decoupling or coupling device, a steering system, and a vehicle.
Background
The coupling device in the steering system of the vehicle needs to be decoupled in certain application scenarios, especially for certain special application fields of the vehicle, such as the field of game vehicles, in order to realize some game functions, the coupling device of the vehicle often needs to be decoupled, so that an operator uses the steering wheel to develop the game entertainment experience of the vehicle. However, the coupling device of the existing vehicle cannot be effectively switched between the coupling state and the decoupling state, and the decoupling of the coupling device cannot be realized, so that the use experience of an operator is greatly reduced.
In view of the foregoing, a new solution is needed to solve the above-mentioned problems.
Disclosure of Invention
It is an object of the present application to provide a new solution for decoupling or coupling devices, steering systems and vehicles.
According to a first aspect of the present application, there is provided a decoupling or coupling device comprising:
the output shaft and the shaft sleeve are sleeved outside the output shaft, and the output shaft can rotate relative to the shaft sleeve;
the sliding sleeve is sleeved outside the shaft sleeve, and the shaft sleeve can drive the sliding sleeve to rotate;
the transmission sleeve is sleeved outside the output shaft and can drive the output shaft to rotate;
the sliding sleeve and the transmission sleeve are oppositely arranged along the axial direction of the output shaft; the end face of the sliding sleeve, which faces the transmission sleeve, is provided with a first engagement structure, and the end face of the transmission sleeve, which faces the sliding sleeve, is provided with a second engagement structure matched with the first engagement structure; under the condition that the first engagement structure is in butt joint with the second engagement structure, the sliding sleeve can drive the transmission sleeve to rotate;
the first driving mechanism is connected with the sliding sleeve, can drive the sliding sleeve to slide along the axial direction of the output shaft and has a first position and a second position;
the first engagement structure and the second engagement structure are separated from each other with the sliding sleeve in the first position;
the first engagement structure interfaces with the second engagement structure with the sliding sleeve in the second position.
Optionally, the first driving mechanism comprises a first motor, a screw and a screw nut; the first motor is connected with the screw rod, the screw rod nut is sleeved outside the screw rod, and the screw rod nut is connected with the sliding sleeve.
Optionally, the device further comprises a connecting sleeve, wherein the connecting sleeve is fixedly connected with the sliding sleeve, and the first driving mechanism is connected with the sliding sleeve through the connecting sleeve.
Optionally, the device further includes a first displacement sensor and a second displacement sensor, along the axial direction of the output shaft, the connecting sleeve has a first end face and a second end face, the first displacement sensor is disposed near the first end face, and the second displacement sensor is disposed near the second end face.
Optionally, the sliding sleeve has a first internal spline, the shaft sleeve has a first external spline, and the first internal spline is in matching connection with the first external spline.
Optionally, the transmission sleeve is provided with a second internal spline, the output shaft is provided with a second external spline, and the second internal spline is connected with the second external spline in a matching way.
Optionally, the device further comprises a first driving wheel and a second driving mechanism; the second driving mechanism is connected with the first driving wheel and can drive the first driving wheel to rotate;
the first driving wheel is sleeved outside the shaft sleeve, and the shaft sleeve can rotate relative to the first driving wheel;
the first driving wheel and the sliding sleeve are oppositely arranged along the axial direction of the output shaft, a third engagement structure is arranged on the end face of the sliding sleeve, which faces the first driving wheel, and a fourth engagement structure matched with the third engagement structure is arranged on the end face of the first driving wheel, which faces the sliding sleeve; under the condition that the third engagement structure is in butt joint with the fourth engagement structure, the first driving wheel can drive the sliding sleeve to rotate;
the third engagement structure interfaces with a fourth engagement structure with the sliding sleeve in the first position;
the third and fourth engagement structures are separated from each other with the sliding sleeve in the second position.
Optionally, the second driving mechanism comprises a second driving wheel and a second motor, the second motor is connected with the second driving wheel, the second driving wheel is connected with the first driving wheel in a matched manner, the second motor drives the second driving wheel to rotate, and the second driving wheel can drive the first driving wheel to rotate.
Optionally, the second driving mechanism further comprises a belt, and the second driving wheel is connected with the first driving wheel in a matching way through the belt.
Optionally, the second driving mechanism further includes a fixing bracket, the fixing bracket is fixedly disposed relative to the output shaft, the second motor is movably connected with the fixing bracket, and the second motor can move on the fixing bracket to be close to the output shaft or far away from the output shaft.
According to a second aspect of the present application there is provided a steering system comprising a steering wheel, a steering gear and a decoupling or coupling device as described in the first aspect; the steering wheel is connected with the shaft sleeve, and the steering gear is connected with the output shaft.
Optionally, a telescopic mechanism is arranged between the steering gear and the output shaft.
According to a third aspect of the present application there is provided a vehicle comprising a steering system as described in the second aspect.
The technical scheme that this application adopted can reach following beneficial effect:
the decoupling or coupling device provided by the embodiment of the application is easy to operate, the coupling and the decoupling of the steering wheel and the wheels can be conveniently realized through the coupling and the decoupling of the sliding sleeve and the transmission sleeve, and an operator can flexibly operate and select according to different application scenes, so that the use experience of the operator is improved.
Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the present application, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic illustration of a decoupling or coupling device according to one embodiment of the present application;
FIG. 2 is a schematic diagram II of a decoupling or coupling device according to one embodiment of the present application;
FIG. 3 is a schematic diagram III of a decoupling or coupling device according to one embodiment of the present application;
FIG. 4 is a schematic structural view of a decoupling or coupling device according to one embodiment of the present application;
fig. 5 is a schematic structural view of a steering system according to one embodiment of the present application.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Referring to fig. 1-2, a decoupling or coupling device is provided according to one embodiment of the present application. The decoupling or coupling device comprises an output shaft 101 and a shaft sleeve 102 sleeved outside the output shaft 101, wherein the output shaft 101 can rotate relative to the shaft sleeve 102; the device further comprises a sliding sleeve 103, a transmission sleeve 104 and a first driving mechanism, wherein the sliding sleeve 103 is sleeved outside the shaft sleeve 102, and the shaft sleeve 102 can drive the sliding sleeve 103 to rotate; the transmission sleeve 104 is sleeved outside the output shaft 101, and the transmission sleeve 104 can drive the output shaft 101 to rotate; the sliding sleeve 103 and the transmission sleeve 104 are oppositely arranged along the axial direction of the output shaft 101; the end face of the sliding sleeve 103 facing the transmission sleeve 104 is provided with a first engagement structure, and the end face of the transmission sleeve 104 facing the sliding sleeve 103 is provided with a second engagement structure matched with the first engagement structure; in the case that the first engagement structure is in butt joint with the second engagement structure, the sliding sleeve 103 can drive the transmission sleeve 104 to rotate; the first driving mechanism is connected with the sliding sleeve 103, and can drive the sliding sleeve 103 to slide along the axial direction of the output shaft 101 and has a first position and a second position; with the sliding sleeve 103 in the first position, the first engagement structure and the second engagement structure are separated from each other; with the sliding sleeve 103 in the second position, the first engagement structure interfaces with the second engagement structure.
In the decoupling or coupling device provided in the embodiment of the present application, the shaft sleeve 102 is sleeved outside the output shaft 101, optionally, the shaft sleeve 102 is coaxially disposed with the output shaft 101, the output shaft 101 can perform rotational movement and translational movement along the axial direction in the shaft sleeve 102, and no torque transmission occurs between the output shaft 101 and the shaft sleeve 102. The torque transmission can be performed between the shaft sleeve 102 and the sliding sleeve 103, when the shaft sleeve 102 rotates, the sliding sleeve 103 is driven to synchronously rotate, and similarly, when the sliding sleeve 103 rotates, the shaft sleeve 102 is driven to synchronously rotate; torque transmission can be performed between the transmission sleeve 104 and the output shaft 101, when the transmission sleeve 104 rotates, the output shaft 101 is driven to synchronously rotate, and similarly, when the output shaft 101 rotates, the transmission sleeve 104 is driven to synchronously rotate. In the application of the decoupling or coupling device provided by the embodiment of the application, the coupling and the decoupling are realized by means of the first engagement structure arranged on the end face of the sliding sleeve 103 and the second engagement structure arranged on the end face of the transmission sleeve 104, specifically, under the condition that the first engagement structure is in butt joint with the second engagement structure, the sliding sleeve 103 can drive the transmission sleeve 104 to synchronously rotate; when the first engagement structure and the second engagement structure are separated from each other, the sliding sleeve 103 does not drive the transmission sleeve 104 to rotate. Therefore, when the sliding sleeve 103 moves to the second position along the axial direction under the action of the first driving mechanism, the first engagement structure is in butt joint with the second engagement structure, at the moment, the device is in a coupling state, torque is input through the shaft sleeve 102, the shaft sleeve 102 rotates to drive the sliding sleeve 103 to synchronously rotate, the sliding sleeve 103 drives the transmission sleeve 104 to synchronously rotate, and the transmission sleeve 104 drives the output shaft 101 to synchronously rotate, so that the torque is transmitted from the shaft sleeve 102 to the output shaft 101 step by step; in practical application, the shaft sleeve 102 is connected with a steering wheel of a vehicle, the output shaft 101 is connected with a steering gear of the vehicle and then connected with wheels, so that in the coupling state, torque can be transmitted from the steering wheel to the wheels, and the steering function of normal driving of the vehicle is completed. When the sliding sleeve 103 moves to the first position along the axial direction under the action of the first driving mechanism, the first engagement structure and the second engagement structure are separated from each other, and the device is in a decoupling state at the moment. In summary, the decoupling or coupling device in the embodiment of the present application is easy to operate, and can conveniently implement coupling and decoupling of the sliding sleeve 103 and the transmission sleeve 104, so as to implement coupling and decoupling of the steering wheel and the wheels, and an operator can flexibly select operations according to different application scenarios, thereby improving the use experience of the operator.
Referring to fig. 1-2, more specifically, the first engaging structure may be a first trapezoidal tooth circumferentially disposed on an end surface of the sliding sleeve 103, and the second engaging structure may be a second trapezoidal tooth circumferentially disposed on an end surface of the driving sleeve 104, where the shapes and sizes of the first and second trapezoidal teeth match, and the first and second trapezoidal teeth are engaged with each other to realize coupling between the sliding sleeve 103 and the driving sleeve 104.
Referring to fig. 1, more specifically, the sliding sleeve 103 is sleeved with a first bearing 118, the transmission sleeve 104 is sleeved with a second bearing 119, and the first bearing 118 and the second bearing 119 mainly can play a role of releasing the rotational freedom degrees of the sliding sleeve 103 and the transmission sleeve 104.
Referring to fig. 1-2, in one embodiment, the first drive mechanism includes a first motor 105, a lead screw 106, and a lead screw nut 107; the first motor 105 is connected with the screw rod 106, the screw rod nut 107 is sleeved outside the screw rod 106, and the screw rod nut 107 is connected with the sliding sleeve 103. More specifically, the axial direction of the lead screw 106 is parallel to the axial direction of the output shaft 101.
In this specific example, the first motor 105 rotates to drive the screw rod 106 to rotate, and the screw rod 106 drives the screw rod nut 107 to perform translational motion along the axial direction of the screw rod 106, and further, as the screw rod nut 107 is connected with the sliding sleeve 103, the sliding sleeve 103 is driven to perform linear translational motion along the axial direction of the output shaft 101. Of course, the first driving mechanism is not limited to the above-described configuration, and may be, for example, a rack-and-pinion mechanism, a pulley mechanism, or the like.
Referring to fig. 1-2, in one embodiment, the device further comprises a connecting sleeve 108, wherein the connecting sleeve 108 is fixedly connected with the sliding sleeve 103, and the first driving mechanism is connected with the sliding sleeve 103 through the connecting sleeve 108.
In this particular example, the connecting sleeve 108 is sleeved outside the sliding sleeve 103, the connecting sleeve 108 is fixedly connected with the sliding sleeve 103, and the first driving mechanism is specifically connected with the connecting sleeve 108, and when the first driving mechanism drives the connecting sleeve 108 to perform translational movement, the sliding sleeve 103 performs translational movement together with the connecting sleeve 108. In the embodiment where the first driving mechanism comprises the first motor 105, the screw 106 and the screw nut 107, the connecting sleeve 108 is in particular fixedly connected with the screw nut 107.
Referring to fig. 1-2, in one embodiment, the device further includes a first displacement sensor 109 and a second displacement sensor 110, and the connecting sleeve 108 has a first end face and a second end face along the axial direction of the output shaft 101, where the first displacement sensor 109 is disposed near the first end face, and the second displacement sensor 110 is disposed near the second end face.
More specifically, the connection sleeve 108 is made of metal, such as steel. In this specific example, the position of the sliding sleeve 103 is detected by the first displacement sensor 109 and the second displacement sensor 110. Specifically, the first end surface of the connecting sleeve 108 is the end surface far away from the driving sleeve 104, the second end surface is the end surface close to the driving sleeve 104, when the sliding sleeve 103 moves from the first position to the second position, that is, the sliding sleeve 103 moves towards the direction close to the driving sleeve 104, at this time, the first displacement sensor 109 detects that the connecting sleeve 108 is far away and the second displacement sensor 110 detects that the connecting sleeve 108 is close, that is, the first displacement sensor 109 detects that the sliding sleeve 103 is far away and the second displacement sensor 110 detects that the sliding sleeve 103 is close; when the sliding sleeve 103 moves from the second position to the first position, i.e. the sliding sleeve 103 moves away from the driving sleeve 104, the second displacement sensor 110 detects that the connecting sleeve 108 moves away and the first displacement sensor 109 detects that the connecting sleeve 108 approaches, i.e. the second displacement sensor 110 detects that the sliding sleeve 103 moves away and the first displacement sensor 109 detects that the sliding sleeve 103 approaches. In addition, the first displacement sensor 109 and the second displacement sensor 110 can mutually check and improve the reliability of detection. Alternatively, the first displacement sensor 109 and the second displacement sensor 110 may be proximity switches, and may also be sensors of the type of grating, switch hall, continuous hall, voltage/current/resistance signals, or the like.
In one embodiment, the sliding sleeve 103 has a first internal spline, and the sleeve 102 has a first external spline, and the first internal spline is in matching connection with the first external spline.
In this specific example, the sliding sleeve 103 and the shaft sleeve 102 are matched with each other through the first internal spline and the first external spline to perform torque transmission, so that the torque transmission is reliable and stable, and the processing and the forming are easier.
In one embodiment, the drive sleeve 104 has a second internal spline and the output shaft 101 has a second external spline that matingly connects with the second external spline.
In this specific example, the transmission sleeve 104 and the output shaft 101 are matched with each other through the second internal spline and the second external spline to perform torque transmission, so that the torque transmission is reliable and stable, and the processing and the forming are easier.
Referring to fig. 3-4, in one embodiment, the apparatus further comprises a first drive wheel 111 and a second drive mechanism; the second driving mechanism is connected with the first driving wheel 111 and can drive the first driving wheel 111 to rotate; the first driving wheel 111 is sleeved outside the shaft sleeve 102, and the shaft sleeve 102 can rotate relative to the first driving wheel 111; the first driving wheel 111 and the sliding sleeve 103 are oppositely arranged along the axial direction of the output shaft 101, and the first driving wheel 111 is positioned in the direction of the sliding sleeve 103 away from the driving sleeve 104; the end surface of the sliding sleeve 103 facing the first driving wheel 111 is provided with a third engagement structure, and the end surface of the first driving wheel 111 facing the sliding sleeve 103 is provided with a fourth engagement structure matched with the third engagement structure; in the case that the third engagement structure is in butt joint with the fourth engagement structure, the first driving wheel 111 may drive the sliding sleeve 103 to rotate; with the sliding sleeve 103 in the first position, the third engagement structure interfaces with a fourth engagement structure; with the sliding sleeve 103 in the second position, the third and fourth engagement structures are separated from each other.
In this embodiment, the first driving wheel 111 is sleeved outside the shaft sleeve 102 through the third bearing 120 and the bearing retainer, and the first driving wheel 111 and the shaft sleeve 102 can rotate independently, that is, no torque transmission occurs between the first driving wheel 111 and the shaft sleeve 102, and when the first driving wheel 111 rotates, the shaft sleeve 102 is not driven to rotate synchronously. In this embodiment, the end surface of the sliding sleeve 103 facing the first driving wheel 111 is provided with a third engagement structure, the end surface of the first driving wheel 111 facing the sliding sleeve 103 is provided with a fourth engagement structure matched with the third engagement structure, the first driving wheel 111 can drive the sliding sleeve 103 to rotate under the condition that the third engagement structure is in butt joint with the fourth engagement structure, and when the third engagement structure is separated from the fourth engagement structure, the first driving wheel 111 cannot drive the sliding sleeve 103 to rotate. Therefore, in a specific application, when the sliding sleeve 103 moves axially to the first position under the action of the first driving mechanism, the third engaging structure is in butt joint with the fourth engaging structure, when the second driving mechanism drives the first driving wheel 111 to rotate, the first driving wheel 111 drives the sliding sleeve 103 to rotate, the sliding sleeve 103 further drives the shaft sleeve 102 to synchronously rotate, and because the shaft sleeve 102 is connected with the steering wheel of the vehicle, the moment of the second driving mechanism is fed back to the steering wheel, and because in the first position, the steering wheel and the wheels are in a decoupling state, an operator can use the steering wheel to perform simulated driving or play entertainment, so that under the condition that the moment of the second driving mechanism is fed back to the steering wheel, the damping force for operating the steering wheel can be provided, and the handfeel reality for playing the game operation by using the steering wheel is improved, thereby improving the use experience of the operator. When the sliding sleeve 103 moves to the second position along the axial direction under the action of the first driving mechanism, the third engaging structure and the fourth engaging structure are separated from each other, and when the second driving mechanism drives the first driving wheel 111 to rotate, the first driving wheel 111 does not drive the sliding sleeve 103 to rotate, and therefore the shaft sleeve 102 is not driven to rotate.
More specifically, the third engaging structure may be a first tapered tooth circumferentially disposed on an end surface of the sliding sleeve 103, and the second engaging structure may be a second tapered tooth circumferentially disposed on an end surface of the first driving wheel 111, where the first tapered tooth and the second tapered tooth are matched in shape and size, and the first tapered tooth and the second tapered tooth are mutually engaged to realize coupling between the sliding sleeve 103 and the first driving wheel 111. The conical teeth can meet the meshing requirement of any angle.
In one embodiment, further, the second driving mechanism includes a second driving wheel 112 and a second motor 113, the second motor 113 is connected to the second driving wheel 112, the second driving wheel 112 is cooperatively connected to the first driving wheel 111, the second motor 113 drives the second driving wheel 112 to rotate, and the second driving wheel 112 can drive the first driving wheel 111 to rotate.
In this specific example, the second motor 113 drives the first driving wheel 111 to rotate through the second driving wheel 112, so that in the first position of the sliding sleeve 103, the moment of the second motor 113 can be fed back to the steering wheel.
In one embodiment, further, the second driving mechanism further includes a belt 114, and the second driving wheel 112 is cooperatively connected with the first driving wheel 111 through the belt 114.
In this specific example, the first driving wheel 111 and the second driving wheel 112 are both pulleys, and are connected in a matching manner through a belt 114, so that the connection manner is simple and easy to install. In other examples, the first driving wheel 111 and the second driving wheel 112 may also adopt a gear transmission mode, a worm and gear transmission mode, and the like.
In one embodiment, further, the second driving mechanism further includes a fixed bracket 115, the fixed bracket 115 is fixedly disposed relative to the output shaft 101, the second motor 113 is movably connected to the fixed bracket 115, and the second motor 113 can move on the fixed bracket 115 to be close to the output shaft 101 or far from the output shaft 101.
When the first drive wheel 111 and the second drive wheel 112 are pulley-driven, the present embodiment designs a belt tensioning mechanism for the belt 114. Specifically, a plurality of, for example, three mounting holes are provided on the fixing bracket 115, and the center of a circle formed by the three mounting holes does not overlap with the axis of the motor shaft of the second motor 113, that is, the center of a circle formed by the mounting holes is eccentric with respect to the motor shaft of the second motor 113, so that when the second motor 113 is fastened, the wheelbase between the motor shaft of the second motor 113 and the output shaft 101 can be adjusted by rotating the second motor 113, thereby realizing the tension adjustment of the belt 114. Optionally, the mounting hole provided on the fixing support 115 is a waist hole.
Referring to fig. 5, according to another embodiment of the present application, there is provided a steering system comprising a steering wheel 2, a steering gear 3 and a decoupling or coupling device 1 as described above; the steering wheel 2 is connected to the sleeve 102, and the steering gear 3 is connected to the output shaft 101.
Specifically, the sleeve 102 is connected to the first universal joint 116, the output shaft 101 is connected to the second universal joint 117, the steering wheel 2 has a third universal joint 201, the third universal joint 201 is connected to the first universal joint 116, the steering 3 has a fourth universal joint 301, and the fourth universal joint 301 is connected to the second universal joint 117. The steering system is provided with the decoupling or coupling device 1, so that the coupling or decoupling of the steering wheel 2 and the steering gear 3 can be conveniently realized, namely, the coupling or decoupling of the steering wheel and wheels can be conveniently realized, and an operator can adopt the steering wheel to normally steer or play games according to the use requirement, so that the use experience of the operator is improved. Further, in the decoupling or coupling device 1 of the steering system, the output shaft 101 can slide freely in the axial direction within the sleeve 102, whereby the telescopic function of the steering system can be achieved by utilizing the inner space of the decoupling or coupling device 1. Further, since the decoupling or coupling device 1 of the steering system is provided with the first displacement sensor 109 and the second displacement sensor 110, the first displacement sensor 109 and the second displacement sensor 110 can effectively transmit the coupling/decoupling information of the steering system to the decoupling controller and the whole vehicle controller, so that the state of the steering system can be accurately perceived by the vehicle, and the driving safety is ensured by matching with a specific control strategy.
In one embodiment, a telescopic mechanism 4 is provided between the steering gear 3 and the output shaft 101.
In this particular example, the telescopic mechanism 4 is provided to release the degree of freedom of relative movement of the decoupling or coupling device 1 to the steering gear 3, reduce adverse effects of wheel jolting on the driving of the vehicle, and improve the safety of driving. The telescopic mechanism 4 may be, for example, a sliding spline telescopic structure, and may also be another telescopic structure.
According to yet another embodiment of the present application, a vehicle is provided, which comprises a steering system as described above.
The operator can not only drive normally but also simulate driving or play recreation using the steering wheel.
The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.
Although specific embodiments of the present application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (13)
1. A decoupling or coupling device, comprising:
the output shaft (101) and the shaft sleeve (102) are sleeved outside the output shaft (101), and the output shaft (101) can rotate relative to the shaft sleeve (102);
the sliding sleeve (103) is sleeved outside the shaft sleeve (102), and the shaft sleeve (102) can drive the sliding sleeve (103) to rotate;
the transmission sleeve (104) is sleeved outside the output shaft (101), and the transmission sleeve (104) can drive the output shaft (101) to rotate;
the sliding sleeve (103) and the transmission sleeve (104) are oppositely arranged along the axial direction of the output shaft (101); the end face of the sliding sleeve (103) facing the transmission sleeve (104) is provided with a first engagement structure, and the end face of the transmission sleeve (104) facing the sliding sleeve (103) is provided with a second engagement structure matched with the first engagement structure; under the condition that the first engagement structure is in butt joint with the second engagement structure, the sliding sleeve (103) can drive the transmission sleeve (104) to rotate;
the first driving mechanism is connected with the sliding sleeve (103), can drive the sliding sleeve (103) to slide along the axial direction of the output shaft (101) and has a first position and a second position;
the first and second engagement structures are separated from each other with the sliding sleeve (103) in a first position; the first engagement structure interfaces with a second engagement structure with the sliding sleeve (103) in a second position;
the device further comprises a first driving wheel (111), wherein the first driving wheel (111) is sleeved outside the shaft sleeve (102), and the shaft sleeve (102) can rotate relative to the first driving wheel (111); the first driving wheel (111) and the sliding sleeve (103) are oppositely arranged along the axial direction of the output shaft (101); the end face of the sliding sleeve (103) facing the first driving wheel (111) is provided with a third engagement structure, and the end face of the first driving wheel (111) facing the sliding sleeve (103) is provided with a fourth engagement structure matched with the third engagement structure; under the condition that the third meshing structure is in butt joint with the fourth meshing structure, the first driving wheel (111) can drive the sliding sleeve (103) to rotate;
the third engagement structure interfaces with a fourth engagement structure with the sliding sleeve (103) in the first position;
the third and fourth engagement structures are separated from each other with the sliding sleeve (103) in the second position.
2. The decoupling or coupling device of claim 1, wherein the first drive mechanism comprises a first motor (105), a lead screw (106), and a lead screw nut (107); the first motor (105) is connected with the screw rod (106), the screw rod nut (107) is sleeved outside the screw rod (106), and the screw rod nut (107) is connected with the sliding sleeve (103).
3. Decoupling or coupling device according to claim 1, characterized in that the device further comprises a connecting sleeve (108), the connecting sleeve (108) being fixedly connected to the sliding sleeve (103), the first drive mechanism being connected to the sliding sleeve (103) via the connecting sleeve (108).
4. A decoupling or coupling device according to claim 3, further comprising a first displacement sensor (109) and a second displacement sensor (110), the connection sleeve (108) having a first end face and a second end face along the axial direction of the output shaft (101), the first displacement sensor (109) being arranged close to the first end face and the second displacement sensor (110) being arranged close to the second end face.
5. The decoupling or coupling device of claim 1, wherein the sliding sleeve (103) has a first internal spline and the sleeve (102) has a first external spline, the first internal spline being matingly connected with the first external spline.
6. The decoupling or coupling device of claim 1, wherein the drive sleeve (104) has a second internal spline and the output shaft (101) has a second external spline, the second internal spline being matingly connected with the second external spline.
7. Decoupling or coupling device as claimed in claim 1, characterized in that,
the apparatus further comprises a second drive mechanism; the second driving mechanism is connected with the first driving wheel (111) and can drive the first driving wheel (111) to rotate.
8. The decoupling or coupling device according to claim 7, wherein the second drive mechanism comprises a second drive wheel (112) and a second motor (113), the second motor (113) is connected to the second drive wheel (112), the second drive wheel (112) is cooperatively connected to the first drive wheel (111), the second motor (113) drives the second drive wheel (112) to rotate, and the second drive wheel (112) can drive the first drive wheel (111) to rotate.
9. Decoupling or coupling device according to claim 8, characterized in that the second drive mechanism further comprises a belt (114), the second drive wheel (112) being in mating connection with the first drive wheel (111) via the belt (114).
10. The decoupling or coupling device of claim 9, wherein the second drive mechanism further comprises a fixed bracket (115), the fixed bracket (115) being fixedly disposed relative to the output shaft (101), the second motor (113) being movably connected to the fixed bracket (115), the second motor (113) being movable on the fixed bracket (115) to be closer to the output shaft (101) or farther from the output shaft (101).
11. Steering system, characterized in that it comprises a steering wheel (2), a steering gear (3) and a decoupling or coupling device (1) according to any one of claims 1-10; the steering wheel (2) is connected with the shaft sleeve (102), and the steering gear (3) is connected with the output shaft (101).
12. Steering system according to claim 11, characterized in that a telescopic mechanism (4) is arranged between the steering gear (3) and the output shaft (101).
13. A vehicle, characterized in that it comprises a steering system according to any one of claims 11-12.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011352868.XA CN114537507B (en) | 2020-11-26 | 2020-11-26 | Decoupling or coupling device, steering system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011352868.XA CN114537507B (en) | 2020-11-26 | 2020-11-26 | Decoupling or coupling device, steering system and vehicle |
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| CN114537507A CN114537507A (en) | 2022-05-27 |
| CN114537507B true CN114537507B (en) | 2024-03-19 |
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| CN202011352868.XA Active CN114537507B (en) | 2020-11-26 | 2020-11-26 | Decoupling or coupling device, steering system and vehicle |
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| Publication number | Publication date |
|---|---|
| CN114537507A (en) | 2022-05-27 |
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