Clutch apparatus, steering system, and vehicle

Abstract

A clutch apparatus, a steering system, and a vehicle, the clutch apparatus comprising a first transmission shaft, a second transmission shaft, and at least one clutch switching mechanism, the second transmission shaft being sleeved over part of an outer circumferential surface of the first transmission shaft. The at least one clutch switching mechanism is arranged on the outer circumferential surface of the first transmission shaft, or the at least one clutch switching mechanism is arranged on an inner circumferential surface of the second transmission shaft. The powering on or off of the at least one clutch switching mechanism is adapted to decouple or couple the first transmission shaft and the second transmission shaft in a non-axial direction.

Description

Clutch, steering system and vehicle

[0001] This application claims priority to Chinese patent application No. 202421237107.3, filed on May 31, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of vehicle technology, and more particularly to a clutch device, steering system, and vehicle. Background Technology

[0003] The clutch is a crucial component of a car's powertrain. Its function is to disconnect and connect power between the engine and the transmission, ensuring smooth starting, gear shifting, and braking. The clutch operates primarily by utilizing friction to transmit or interrupt power; therefore, its structure and performance directly impact a vehicle's performance and lifespan. Summary of the Invention

[0004] This disclosure aims to at least solve one of the technical problems existing in the related art. To this end, this disclosure proposes a clutch device that can instantly realize the synchronous rotation of the first drive shaft and the second drive shaft, which can reduce the number of parts, avoid delay, and has the advantages of fast response speed. It can also realize the rapid coupling and decoupling of the first drive shaft and the second drive shaft, and can also reduce the axial space, and has the advantages of simple structure and miniaturization.

[0005] Therefore, this clutch device can instantly achieve synchronous rotation of the first and second drive shafts, reduce the number of parts, avoid delays, and has the advantages of fast response speed. It can also achieve rapid coupling and decoupling of the first and second drive shafts, and reduce axial space, thus having the advantages of simple structure and miniaturization.

[0006] This disclosure presents a steering system according to some embodiments.

[0007] This disclosure also proposes a vehicle in some embodiments.

[0008] In a first aspect, a clutch device is provided, comprising: a first drive shaft, a second drive shaft, and at least one clutch switching mechanism, wherein the second drive shaft is sleeved on a portion of the outer peripheral surface of the first drive shaft. The at least one clutch switching mechanism is disposed on the outer peripheral surface of the first drive shaft, or, alternatively, on the inner peripheral surface of the second drive shaft. Energization or de-energization of the at least one clutch switching mechanism is adapted to decouple or couple the first drive shaft and the second drive shaft in a non-axial direction.

[0009] According to some embodiments of this disclosure, any one of the at least one clutch switching mechanism includes: a driver and a latching member. The driver is disposed on the first drive shaft and rotates with the first drive shaft, or the driver is disposed on the second drive shaft and rotates with the second drive shaft. The latching member and the driver are circumferentially spaced apart along the first drive shaft. When the driver is energized, it generates a driving force that pushes the latching member to move toward or away from the driver, thereby controlling the first drive shaft and the second drive shaft to disconnect or connect.

[0010] According to some embodiments of this disclosure, any one of the clutch switching mechanisms further includes: an elastic connector, wherein the elastic connector satisfies one of the following: the elastic connector is disposed between the driver and the latching member, the elastic connector is connected and engaged with the latching member, the driving force is removed when the driver is de-energized, the elastic connector generates an elastic force, the elastic force pushes the latching member to move away from the driver, so as to control the first drive shaft and the second drive shaft to rotate synchronously; or, the elastic connector is disposed between the first drive shaft and the latching member; or, the elastic connector is disposed between the second drive shaft and the latching member.

[0011] According to some embodiments of this disclosure, the driver is an electromagnetic driver, and the magnetic force generated when the electromagnetic driver is energized is the driving force.

[0012] According to some embodiments of this disclosure, the driver includes a magnet and at least one electromagnetic coil disposed on the magnet.

[0013] According to some embodiments of this disclosure, the at least one electromagnetic coil includes a plurality of electromagnetic coils, each of the plurality of electromagnetic coils being disposed around the magnet, and the plurality of electromagnetic coils being spaced apart along the length direction of the magnet.

[0014] According to some embodiments of this disclosure, the magnet includes, along its length, a first segment, a second segment, and a third segment, with the second segment connected between the first segment and the third segment, and a plurality of electromagnetic coils respectively surrounding the first segment and the third segment. The second segment extends axially along the first drive shaft, and the first segment and the third segment are parallel to each other and perpendicular to the second segment, with the end faces of the first segment and the end faces of the third segment facing the snap-fit ​​member.

[0015] According to some embodiments of this disclosure, at least one mounting groove is formed on at least one side of the first drive shaft in the circumferential direction, and any clutch switching mechanism is disposed in the corresponding mounting groove in the at least one mounting groove. The driver controls the first drive shaft and the second drive shaft to decouple or couple in the non-axial direction by driving the snap-fit ​​member to move within the at least one mounting groove.

[0016] According to some embodiments of this disclosure, the angle between at least one side of any of the at least one mounting slot and the bottom of the slot is an obtuse angle.

[0017] According to some embodiments of this disclosure, the at least one clutch switching mechanism includes a plurality of clutch switching mechanisms, the at least one mounting slot includes a plurality of mounting slots, the plurality of clutch switching mechanisms are arranged in a one-to-one correspondence with the plurality of mounting slots, and the plurality of mounting slots are spaced apart in the circumferential direction of the first drive shaft.

[0018] According to some embodiments of this disclosure, any one of the at least one mounting slots includes a mounting portion and a movable portion, the mounting portion forming a mounting area for the driver and the resilient connector, the movable portion forming a movable area for the snap-fit ​​member, and the mounting portion and the movable portion being arranged circumferentially along the first drive shaft.

[0019] According to some embodiments of this disclosure, along the circumferential direction of the first drive shaft, the groove depth of the movable part gradually decreases from the mounting part to the circumferential contact surface, where the circumferential contact surface is the outer circumferential surface of the first drive shaft or the inner circumferential surface of the second drive shaft.

[0020] According to some embodiments of this disclosure, the movable part includes: a first movable part and a second movable part, the first movable part and the second movable part being disposed on both sides of the mounting part in a circumferential direction, and the driver being adapted to drive the snap-fit ​​member in the first movable part and the snap-fit ​​member in the second movable part to move toward the driver.

[0021] According to some embodiments of this disclosure, any one of the clutch switching mechanisms further includes: a mounting base disposed on the mounting portion, a driver disposed within the mounting base, a mounting hole formed on the side of the mounting base facing the movable portion, and an elastic connector disposed in the mounting hole.

[0022] According to some embodiments of this disclosure, the mounting base is a magnetically shielding material component, and the mounting base is injection molded together with the first drive shaft.

[0023] According to some embodiments of this disclosure, the first drive shaft is provided with a plurality of protrusions on the outer peripheral surface of the mounting base, and the plurality of protrusions are in concave-convex cooperation with the mounting base.

[0024] According to some embodiments of this disclosure, the snap-fit ​​element is constructed in a cylindrical shape, and the snap-fit ​​element is a metal or magnetic component.

[0025] According to some embodiments of this disclosure, the first drive shaft includes: a first shaft body and an annular flange, the annular flange being disposed on the first shaft body, and the at least one clutch switching mechanism being disposed on the annular flange.

[0026] According to some embodiments of this disclosure, at least one side of the first drive shaft in the circumferential direction is formed with a mounting groove, and the at least one clutch switching mechanism is disposed in the mounting groove. Along the axial direction of the first shaft, both ends of the mounting groove are open.

[0027] The clutch device further includes: a first stop member, which is sleeved on the first shaft and disposed on both axial sides of the annular flange, so as to cooperate with the at least one clutch switching mechanism stop at both ends of the mounting groove.

[0028] According to some embodiments of this disclosure, the second drive shaft includes a second shaft body and a sleeve, the sleeve being connected to one end of the second shaft body, a portion of the first drive shaft and the at least one clutch switching mechanism being disposed within the sleeve, the at least one clutch switching mechanism controlling the first drive shaft and the second drive shaft to rotate synchronously by contacting the sleeve.

[0029] According to some embodiments of this disclosure, the clutch device further includes: a first bearing disposed within the sleeve, and one end of the first drive shaft located within the sleeve passing through the first bearing.

[0030] According to some embodiments of this disclosure, the clutch device further includes: a housing, wherein the first drive shaft and the second drive shaft are disposed in the housing and extend out of the housing respectively.

[0031] According to some embodiments of this disclosure, the housing includes: a shell, an end cap, and a seal. The shell has a first through hole, through which the second drive shaft passes. The end cap is disposed on the shell and has a second through hole, through which the first drive shaft passes. The seal is disposed between the shell and the end cap to seal the gap between them.

[0032] According to some embodiments of this disclosure, the housing is provided with a first stop step, the first drive shaft is provided with a second stop step, and the clutch device further includes: a second bearing, a second stop member, and a third stop member. The second bearing is disposed within the housing, the first drive shaft passes through the second bearing, and one side of the second bearing respectively engages with the first stop step and the second stop step. The second stop member is disposed within the housing. The third stop member is disposed on the first drive shaft, and the other side of the second bearing respectively engages with the second stop member and the third stop member.

[0033] According to some embodiments of this disclosure, the second drive shaft is provided with a third stop step, the housing is provided with a fourth stop step, and the clutch device further includes: a third bearing and a fourth stop member. The second bearing is disposed within the housing, the second drive shaft passes through the third bearing, and one side of the third bearing engages with the third stop step. The fourth stop member is disposed on the second drive shaft, and the other side of the third bearing engages with both the fourth stop step and the fourth stop member.

[0034] According to some embodiments of this disclosure, the clutch device further includes: a first oil seal and a second oil seal, wherein the first oil seal is disposed in the housing, and the first drive shaft passes through the first oil seal. The second oil seal is disposed in the housing, and the second drive shaft passes through the second oil seal.

[0035] Secondly, a steering system is provided, including the aforementioned clutch device.

[0036] Thirdly, a vehicle is provided, including the aforementioned steering system.

[0037] Additional aspects and advantages of this disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this disclosure. Attached Figure Description

[0038] The above and / or additional aspects and advantages of this disclosure will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0039] Figure 1 is a cross-sectional view of the engagement of a first drive shaft and a second drive shaft according to some embodiments of the present disclosure;

[0040] Figure 2 is a structural diagram of the decoupling of the first drive shaft and the second drive shaft according to some embodiments of the present disclosure;

[0041] Figure 3 is a structural diagram showing the coupling of a first drive shaft and a second drive shaft according to some embodiments of the present disclosure;

[0042] Figure 4 is a structural diagram of a mounting slot containing a magnet according to some embodiments of the present disclosure;

[0043] Figure 5 is a structural diagram of a driver according to some embodiments of the present disclosure;

[0044] Figure 6 is a structural diagram of a mounting base with mounting holes according to some embodiments of the present disclosure;

[0045] Figure 7 is an exploded view of a clutch device according to some embodiments of the present disclosure;

[0046] Figure 8 is a cross-sectional view of a second stop member according to some embodiments of the present disclosure;

[0047] Figure 9 is a cross-sectional view of a third stop member according to some embodiments of the present disclosure;

[0048] Figure 10 is a block diagram of a steering system according to some embodiments of the present disclosure; and

[0049] Figure 11 is a block diagram of a vehicle according to some embodiments of the present disclosure.

[0050] Reference numerals: 1000, vehicle; 500, steering system; 200, clutch device; 10, first drive shaft; 11, movable part; 111, first movable part; 112, second movable part; 13, protrusion; 14, mounting groove; 15, first shaft body; 16, annular flange; 17, second stop step; 18, mounting part; 20, driver; 211, magnet; 212, electromagnetic coil; 213, first section; 214, second section; 215, third section; 22, elastic connector; 23, mounting base; 231, mounting hole; 30, clutch switching mechanism; 31, snap-fit; 40, second drive shaft; 41. Second shaft; 42. Sleeve; 43. Third stop step; 50. First stop component; 60. First bearing; 70. Housing; 71. First stop step; 72. Fourth stop step; 73. Housing; 74. End cap; 75. Seal; 76. First through hole; 80. Second bearing; 81. Second stop component; 82. Third stop component; 83. Third bearing; 84. Fourth stop component; 85. First oil seal; 86. Second oil seal. Detailed Implementation

[0051] The embodiments of this disclosure are described in detail below, and the embodiments described with reference to the accompanying drawings are exemplary. A clutch device 200 according to some embodiments of this disclosure is described below with reference to the accompanying drawings.

[0052] As shown in Figures 1 and 2, a clutch device 200 according to some embodiments of the present disclosure includes: a first drive shaft 10, a second drive shaft 40, and at least one clutch switching mechanism 30. The second drive shaft 40 is sleeved on a portion of the outer peripheral surface of the first drive shaft 10. The at least one clutch switching mechanism 30 is disposed on the outer peripheral surface of the first drive shaft 10, or on the inner peripheral surface of the second drive shaft 40. Energizing or de-energizing the at least one clutch switching mechanism 30 is adapted to decouple or couple the first drive shaft 10 and the second drive shaft 40 in a non-axial direction.

[0053] In traditional clutch devices, the connection between the input and output shafts requires multiple force transformations before coupling, extending response time and resulting in insufficient immediacy. Furthermore, the numerous components between the input and output shafts cause delays as the input power is transmitted through these components, hindering instantaneous connection and impacting the transmission efficiency of the drive shaft assembly, leading to power loss. Additionally, traditional clutch devices decouple or couple the input and output shafts circumferentially, while the driver and locking mechanism are axially arranged, resulting in a larger axial space and prolonged power transmission time, thus preventing instantaneous decoupling and coupling between the input and output shafts.

[0054] Therefore, in some embodiments of this disclosure, the clutch device 200 includes a first drive shaft 10, a second drive shaft 40, and a clutch switching mechanism 30. The second drive shaft 40 is sleeved on a portion of the outer peripheral surface of the first drive shaft 10, and the portion of the outer peripheral surface of the first drive shaft 10 is located inside the second drive shaft 40. At least one clutch switching mechanism 30 can be disposed on the outer peripheral surface of the first drive shaft 10. This allows for efficient use of the space on the outer peripheral surface of the first drive shaft 10, enabling the clutch switching mechanism 30 and the first drive shaft 10 to form an integral unit. This facilitates direct transmission between the first drive shaft 10 and the second drive shaft 40 via the clutch switching mechanism 30. Alternatively, at least one clutch switching mechanism 30 can also be disposed on the inner peripheral surface of the second drive shaft 40. This allows for efficient use of the space on the inner peripheral surface of the second drive shaft 40, enabling the clutch switching mechanism 30 and the second drive shaft 40 to form an integral unit. This facilitates direct transmission between the second drive shaft 40 and the first drive shaft 10 via the clutch switching mechanism 30, reduces axial space, and has the advantages of simple structure and miniaturization.

[0055] Furthermore, the energization or de-energization of at least one clutch switching mechanism 30 is adapted to decouple or couple the first drive shaft 10 and the second drive shaft 40 in a non-axial direction. When de-energized, the clutch switching mechanism 30 can simultaneously couple the first drive shaft 10 and the second drive shaft 40 in a non-axial direction; when energized, the clutch switching mechanism 30 can decouple the first drive shaft 10 and the second drive shaft 40 in a non-axial direction.

[0056] It should be noted that the first drive shaft 10 can be used as an input shaft or an output shaft, and the choice can be made according to the actual situation.

[0057] Therefore, the clutch device 200 in some embodiments of this disclosure can instantly realize the synchronous rotation of the first drive shaft 10 and the second drive shaft 40, reduce the number of parts, avoid delay, and has the advantage of fast response speed. It can also realize the rapid coupling and decoupling of the first drive shaft 10 and the second drive shaft 40, and reduce the axial space, thus having the advantages of simple structure and miniaturization.

[0058] According to some embodiments of this disclosure, as shown in Figures 1 and 2, at least one clutch switching mechanism 30 includes: a driver 20, a latching member 31, and an elastic connector 22. The driver 20 is disposed on a first drive shaft 10 and rotates with the first drive shaft 10; or, the driver 20 is disposed on a second drive shaft 40 and rotates with the second drive shaft 40. The latching member 31 and the driver 20 are circumferentially spaced apart along the first drive shaft 10. When the driver 20 is energized, it generates a driving force that pushes the latching member 31 to move toward or away from the driver 20, thereby controlling the first drive shaft 10 and the second drive shaft 40 to disconnect or connect. The elastic connector 22 is disposed between the driver 20 and the latching member 31, and the elastic connector 22 is connected and engaged with the latching member 31. When the driver 20 is de-energized, the driving force is removed, and the elastic connector 22 generates an elastic force that pushes the latching member 31 to move away from the driver 20, thereby controlling the first drive shaft 10 and the second drive shaft 40 to rotate synchronously.

[0059] For example, when the first drive shaft 10 and the second drive shaft 40 are in operation, the clutch device 200 is in a non-operational state. The engaging member 31, pushed by the elastic connector 22, moves away from the driver 20, allowing it to engage with both the first drive shaft 10 and the second drive shaft 40. This enables synchronous rotation of the first drive shaft 10 and the second drive shaft 40, achieving instantaneous synchronous rotation and avoiding delays, thus offering a fast response speed. When the first drive shaft 10 and the second drive shaft 40 are not in operation (i.e., in the normal state), the clutch device 200 is in operation. The driver 20 can disengage the engaging member 31 from the second drive shaft 40, moving it closer to the driver 20. This instantly decouples the first drive shaft 10 and the second drive shaft 40. Thus, rapid coupling and decoupling of the first drive shaft 10 and the second drive shaft 40 can be achieved.

[0060] It should be noted that the elastic connector can be a spring. When energized, the electromagnetic attraction generated by the driver 20 attracts the latching member 31 to the elastic connector 22. Under the pressure of the latching member 31, the elastic connector 22 undergoes elastic deformation, allowing the latching member 31 to disengage from the second drive shaft 40. When the electromagnetic attraction of the driver 20 disappears, the elastic connector 22 can push the latching member 31 away from the driver 20, allowing the latching member 31 to simultaneously engage with both the first drive shaft 10 and the second drive shaft 40.

[0061] Furthermore, the driver 20 and the snap-fit ​​31 are disposed on the outer periphery of the first drive shaft 10 or the inner periphery of the second drive shaft 40, thereby reducing the axial space.

[0062] According to some embodiments of this disclosure, as shown in FIG2, the driver 20 is an electromagnetic driver, and the magnetic force generated when the electromagnetic driver is energized is the driving force.

[0063] Under normal conditions, the electromagnetic driver is always energized. Thus, the electromagnetic driver uses the magnetic force it generates to attract the snap-fit ​​31 to the driver 20, which can disengage the snap-fit ​​31 from the second drive shaft 40, thereby achieving decoupling between the first drive shaft 10 and the second drive shaft 40.

[0064] When the electromagnetic driver is powered off and the magnetic force disappears, the driver 20 can instantly drive the snap-fit ​​31 to simultaneously contact and engage with the first drive shaft 10 and the second drive shaft 40, thereby achieving rapid coupling between the first drive shaft 10 and the second drive shaft 40.

[0065] According to some embodiments of the present disclosure, as shown in Figures 4 and 5, the driver 20 includes a magnet 211 and at least one electromagnetic coil 212 disposed on the magnet 211.

[0066] In some embodiments of this disclosure, the driver 20 includes a magnet 211 and at least one electromagnetic coil 212, the at least one electromagnetic coil 212 being disposed around the magnet 211. When the at least one electromagnetic coil 212 is energized, the magnetic poles of the magnet 211 are directed toward the at least one electromagnetic coil 212. Thus, the magnet 211 generates an electromagnetic attraction force, thereby attracting the clutch switching mechanism 30 to the driver 20.

[0067] According to some embodiments of the present disclosure, as shown in FIG5, at least one electromagnetic coil 212 includes a plurality of electromagnetic coils 212, each of the plurality of electromagnetic coils 212 being arranged around a magnet 211, and the plurality of electromagnetic coils 212 being spaced apart along the length direction of the magnet 211.

[0068] It is understandable that multiple electromagnetic coils 212 surrounding the magnet 211 can increase the electromagnetic attraction of the magnet 211. Moreover, the multiple electromagnetic coils 212 are spaced apart along the length of the magnet 211, thereby increasing the electromagnetic attraction of the magnet 211 along its length.

[0069] According to some embodiments of the present disclosure, as shown in FIG5, the magnet 211 includes a first segment 213, a second segment 214 and a third segment 215 along its length direction, the second segment 214 being connected between the first segment 213 and the third segment 215, and a plurality of electromagnetic coils 212 respectively surrounding the first segment 213 and the third segment 215.

[0070] In some embodiments, the first segment 213, the second segment 214, and the third segment 215 of the magnet 211 are connected sequentially. One end of the second segment 214 is bent and connected to the first segment 213, and the other end of the second segment 214 is bent and connected to the third segment 215. Thus, the magnet 211 can form a U-shaped magnet 211, which increases the strength of the magnetic field. Because the two magnetic poles of the U-shaped magnet 211 are closer together, the magnetic field lines are more concentrated between the two poles, thereby enhancing the strength of the magnetic field. When the adsorbed snap-fit ​​31 is located between the two magnetic poles of the U-shaped magnet 211, the range of the magnetic field is wider, and the adsorption force is stronger. This makes the U-shaped magnet 211 more stable and effective in adsorbing and fixing the clutch switching mechanism 30.

[0071] In addition, the gap between the two magnetic poles of the U-shaped magnet 211 makes it easy to place parts that need to be attracted or fixed, thus making reasonable use of the space of the driver 20 (such as the U-shaped magnet 211).

[0072] In some embodiments of this disclosure, multiple electromagnetic coils 212 are respectively surrounded by a first segment 213 and a third segment 215. The first segment 213 and the third segment 215 are magnetic poles close to each other. The first segment 213 and the third segment 215 are respectively surrounded by multiple electromagnetic coils 212, thereby further increasing the electromagnetic attraction of the magnet 211.

[0073] It should be noted that magnet 211 can be set not only as a U-shaped magnet, but also as a cylindrical magnet and a square magnet, etc.

[0074] According to some embodiments of this disclosure, the second segment 214 extends axially along the first drive shaft 10. The first segment 213 and the third segment 215 are parallel to each other and are disposed perpendicular to the second segment 214. The end faces of the first segment 213 and the third segment 215 face the snap-fit ​​member 31.

[0075] In some embodiments of this disclosure, the first segment 213 and the third segment 215 are arranged in parallel, which can ensure that the first segment 213 and the third segment 215 have the same magnetic field strength. Moreover, the end faces of the first segment 213 and the third segment 215 face the snap-fit ​​member 31, which can make the end faces of the first segment 213 and the third segment 215 generate electromagnetic attraction to the snap-fit ​​member 31. Through the superposition of magnetic fields, the electromagnetic attraction to the snap-fit ​​member 31 can be further improved.

[0076] According to some embodiments of this disclosure, as shown in Figures 2 and 6, the clutch switching mechanism 30 further includes a mounting base 23, in which a driver 20 is disposed. A mounting hole 231 is formed on the side of the mounting base 23 facing the movable part 11, and an elastic connector 22 is disposed in the mounting hole 231.

[0077] In some embodiments of this disclosure, the mounting base 23 has a mounting hole 231, which can be a circular elongated hole. The mounting hole 231 facilitates the insertion of the elastic connector 22, making the installation of the elastic connector 22 more stable, and also facilitates the elastic connector 22 to generate a thrust on the snap-fit ​​member 31 through the mounting hole 231.

[0078] According to some embodiments of this disclosure, the mounting base 23 can be injection molded with the first drive shaft 10.

[0079] It should be noted that by integrally injection molding the mounting base 23 and the first drive shaft 10, subsequent assembly processes can be reduced, thereby saving production time and labor costs. It also allows the driver 20 and the elastic connector 22 to rotate synchronously with the first drive shaft 10.

[0080] According to some embodiments of this disclosure, as shown in FIG2, the first drive shaft 10 is provided with a plurality of protrusions 13 on the outer peripheral surface of the mounting base 23, and the plurality of protrusions 13 are in concave-convex fit with the mounting base 23.

[0081] In some embodiments of this disclosure, the first drive shaft 10 has a plurality of protrusions 13 on the outer peripheral surface of the mounting base 23. This increases the contact area between the first drive shaft 10 and the mounting base 23, thereby making the connection between the mounting base 23 and the first drive shaft 10 more stable. Furthermore, the presence of multiple protrusions 13 on the outer peripheral surface of the first drive shaft 10 corresponding to the mounting base 23 increases the friction between the mounting base 23 and the first drive shaft 10, making the connection between the mounting base 23 and the first drive shaft 10 more robust.

[0082] In some embodiments of this disclosure, the first drive shaft 10 and the mounting base 23 can also be connected by adhesive bonding. The first drive shaft 10 is provided with an adhesive on the outer peripheral surface of the mounting base 23. The multiple protrusions 13 can also store the adhesive, thereby making the connection between the first drive shaft 10 and the mounting base 23 more stable and firm.

[0083] According to some embodiments of this disclosure, the protrusion 13 is configured as a serrated shape. For example, the protrusion 13 is a straight serrated shape, so that the serrated protrusion 13 can further increase the friction between the mounting base 23 and the first drive shaft 10, thereby ensuring that the mounting base 23 and the first drive shaft 10 are connected as a whole.

[0084] According to some embodiments of this disclosure, as shown in FIG2, the driver 20 is an electromagnetic driver and the mounting base 23 is a magnetically shielding material.

[0085] Understandably, the driver 20 is configured as an electromagnetic driver, which generates electromagnetic force. The mounting base 23 is configured as a magnetically shielding material, which can be made of nylon injection-molded material or other magnetically shielding materials. In this way, by placing the electromagnetic driver within the magnetically shielding material, interference from the mounting base 23 to the magnetic lines of force of the electromagnetic driver can be prevented.

[0086] According to some embodiments of this disclosure, as shown in FIG2, at least one mounting groove 14 is formed on at least one side of the first drive shaft 10 in the circumferential direction, and any clutch switching mechanism 30 is disposed in the corresponding mounting groove 14. The driver 20 moves within the at least one mounting groove 14 via the drive connector 31, thereby controlling the decoupling or coupling of the first drive shaft 10 and the second drive shaft 40 in the non-axial direction.

[0087] Understandably, the mounting slot 14 provides a mounting position for the driver 20, the snap-fit ​​connector 31, and the resilient connector 22, thereby facilitating the movement of the clutch switching mechanism 30.

[0088] According to some embodiments of the present disclosure, as shown in FIG2, at least one of the mounting slots 14 includes a mounting portion 18 and a movable portion 11. The mounting portion 18 forms a mounting area for the driver 20 and the elastic connector 22, and the movable portion 11 forms a movable area for the snap-fit ​​member 31. The mounting portion 18 and the movable portion 11 are arranged circumferentially along the first drive shaft 10.

[0089] According to some embodiments of this disclosure, a mounting base 23 is disposed on the mounting portion 18, and a mounting hole 231 is formed on the side of the mounting base 23 facing the movable portion 11.

[0090] In some embodiments of this disclosure, the mounting portion 18 and the movable portion 11 of the mounting groove 14 together form a mounting area and a movable area, thereby providing mounting space for the mounting base 23 and a movable area for the snap-fit ​​member 31. In addition, the mounting portion 18 and the movable portion 11 are connected, thereby facilitating the connection and cooperation between the snap-fit ​​member 31 and the elastic connector 22 in the mounting portion 18.

[0091] According to some embodiments of this disclosure, as shown in Figures 2 and 3, the movable part 11 includes a first movable part 111 and a second movable part 112, which are disposed on both sides of the mounting part 18 along the circumferential direction of the first drive shaft 10. The driver 20 is adapted to drive the snap-fit ​​member 31 in the first movable part 111 and the snap-fit ​​member 31 in the second movable part 112 to move toward the driver 20.

[0092] In this way, the driver 20 in the mounting section 18 can simultaneously move the snap-fit ​​member 31 in the first movable section 111 and the second movable section 112, so that the snap-fit ​​member 31 in the first movable section 111 and the second movable section 112 both move towards the driver 20, thereby achieving decoupling of the snap-fit ​​member 31 from the first drive shaft 10 and the second drive shaft 40 in the non-axial direction.

[0093] According to some embodiments of this disclosure, as shown in FIG2, along the circumferential direction of the first drive shaft 10, the groove depth of the movable part 11 gradually decreases from the mounting part 18 to the circumferential contact surface. The circumferential contact surface is at least one of the outer circumferential surface of the first drive shaft 10 or the inner circumferential surface of the second drive shaft 40.

[0094] In some embodiments of this disclosure, the groove depth of the movable part 11 satisfies at least one of the following: the groove depth of the movable part 11 gradually decreases from the mounting part 18 to the outer peripheral surface of the first drive shaft 10, or the groove depth of the movable part 11 gradually decreases from the mounting part 18 to the inner peripheral surface of the second drive shaft 40, thereby forming a wedge-shaped space. In this way, the snap-fit ​​member 31 on the first drive shaft 10 can gradually contact and engage with the second drive shaft 40 under the elastic thrust of the elastic connector 22. At this time, the outer diameter of the snap-fit ​​member 31 is equal to the distance between the first drive shaft 10 and the second drive shaft 40, thus enabling coupling between the first drive shaft 10 and the second drive shaft 40 through the snap-fit ​​member 31.

[0095] In some embodiments, the elastic connector 22 may be disposed between the first drive shaft 10 and the snap-fit ​​member 31, or the elastic connector 22 may be disposed between the second drive shaft 40 and the snap-fit ​​member 31. For example, when the clutch switching mechanism 30 is disposed on the first drive shaft 10, one end of the elastic connector 22 is disposed on the surface of the movable part 11 away from the mounting base 23, and the other end of the elastic connector 22 is disposed on the snap-fit ​​member 31. In this case, the following situation may occur: when the driver 20 is energized, a driving force is generated, which pushes the snap-fit ​​member 31 to move closer to the driver 20, thereby controlling the first drive shaft 10 and the second drive shaft 40 to disconnect. When the driver 20 is de-energized, the driving force is removed, and the elastic connector 22 pulls the snap-fit ​​member 31 to move away from the driver 20, thereby controlling the first drive shaft 10 and the second drive shaft 40 to connect, thereby achieving synchronous rotation.

[0096] When in normal operation, the clutch switching mechanism 30 is attached to the elastic connector 22 and in contact with the first drive shaft 10. At this time, the outer diameter of the snap-fit ​​31 is smaller than the distance between the first drive shaft 10 and the second drive shaft 40, so the first drive shaft 10 and the second drive shaft 40 can be decoupled through the snap-fit ​​31.

[0097] According to some embodiments of this disclosure, as shown in FIG2, at least one side of any of the mounting slots 14 has an obtuse angle with the bottom of the slot. This increases the range of motion of the snap-fit ​​member 31, allowing it to contact the second drive shaft 40.

[0098] According to some embodiments of this disclosure, as shown in FIG2, at least one clutch switching mechanism 30 includes a plurality of clutch switching mechanisms 30, at least one mounting slot 14 includes a plurality of mounting slots 14, and the plurality of clutch switching mechanisms 30 and the plurality of mounting slots 14 are arranged in a one-to-one correspondence. The plurality of mounting slots 14 are spaced apart in the circumferential direction of the first drive shaft 10, and each of the plurality of mounting slots 14 is provided with a driver 20.

[0099] In some embodiments of this disclosure, multiple clutch switching mechanisms 30 are evenly spaced circumferentially along the first drive shaft 10, thereby ensuring uniform force distribution between the first drive shaft 10 and the second drive shaft 40. For example, at least one clutch switching mechanism 30 includes six clutch switching mechanisms 30, which are independent of each other. At least one mounting slot 14 includes three mounting slots 14, each containing three mounting seats 23, with a clutch switching mechanism 30 on each side of each mounting seat 23. That is, each mounting seat 23 contains two drivers 20, which can be electromagnetic drivers. Each driver 20 corresponds to an elastic connector 22, and each elastic connector 22 corresponds to a snap-fit ​​member 31. Thus, even if one of the clutch switching mechanisms 30 malfunctions, the first drive shaft 10 and the second drive shaft 40 can still rotate synchronously.

[0100] According to some embodiments of the present disclosure, as shown in FIG2, the driver 20 is disposed between two adjacent movable parts 11, and the driver 20 drives the snap-fit ​​members 31 in the two adjacent movable parts 11.

[0101] It is understandable that the driver 20 is located between two adjacent moving parts 11, which can reduce the distance between the driver 20 and the card connector 31, thereby further reducing the action time between the driver 20 and the card connector 31, and thus further improving the response speed of the clutch switching mechanism 30.

[0102] According to some embodiments of this disclosure, as shown in Figures 1 and 7, the first drive shaft 10 further includes a first shaft body 15 and an annular flange 16, the annular flange 16 being disposed on the first shaft body 15. At least one clutch switching mechanism 30 is disposed on the annular flange 16, for example, a driver 20 is disposed on the annular flange 16.

[0103] Understandably, the annular flange 16 provides a mounting position for the driver 20 and reduces the distance to the second drive shaft 40, thereby improving the connection efficiency between the first drive shaft 10 and the second drive shaft 40.

[0104] According to some embodiments of this disclosure, as shown in Figures 2 and 7, the mounting groove 14 is open at both ends along the axial direction of the first shaft 15. The clutch device 200 further includes a first stop 50, which is sleeved on the first shaft 15 and disposed on opposite sides of the annular flange 16, thereby allowing it to engage with at least one clutch switching mechanism 30 at both ends of the mounting groove 14. For example, the first stop 50 engages with a snap-fit ​​member 31 at both ends of at least one mounting groove 14.

[0105] According to some embodiments of this disclosure, the first stop 50 can be a retaining ring, which blocks the two ends of the mounting groove 14 that are open along the axial direction of the first shaft 15, and can prevent the snap-fit ​​31 from rolling out, thereby keeping the snap-fit ​​31 in the mounting groove 14.

[0106] According to some embodiments of this disclosure, the snap-fit ​​member 31 is constructed in a cylindrical shape, and the snap-fit ​​member 31 can be a metal part or a magnetic part. When a metal part is present near the snap-fit ​​member 31, the snap-fit ​​member 31 cannot be a magnetic part.

[0107] For example, the snap-fit ​​component 31 can be configured as a cylindrical roller. When the magnetic drive is energized, it generates electromagnetic attraction, and the six rollers, under the action of electromagnetic force, are respectively attracted to the corresponding elastic connectors 22, compressing the elastic connectors 22. At this time, a gap is maintained between the six rollers and the inner wall of the second drive shaft 40, allowing the first drive shaft 10 to be disengaged from the second drive shaft 40, enabling the first drive shaft 10 to rotate freely independently, thus achieving decoupling from the second drive shaft 40. When the magnetic drive is de-energized, the electromagnetic attraction immediately disappears, and under the pushing force of the elastic connectors 22, the six rollers are immediately pushed into the active area of ​​the corresponding mounting groove 14. In this way, the six rollers can make contact with the inner wall of the second drive shaft 40, thereby maintaining the connection between the first drive shaft 10 and the second drive shaft 40, achieving coupling. During this process, the magnetic drive (i.e., magnet 211) can generate attraction when energized, directly driving the roller without intermediate transfer, which has the advantage of fast response speed, and can also enable the first drive shaft 10 and the second drive shaft 40 to be instantaneously connected in any direction.

[0108] It is understandable that the first drive shaft 10 and the second drive shaft 40 can achieve instantaneous coupling and instantaneous unlocking.

[0109] According to some embodiments of this disclosure, as shown in FIG1, the second drive shaft 40 includes a second shaft body 41 and a sleeve 42, with the sleeve 42 connected to one end of the second shaft body 41. A portion of the first drive shaft 10, a driver 20, and at least one clutch switching mechanism 30 are disposed within the sleeve 42. The at least one clutch switching mechanism 30 can control the synchronous rotation of the first drive shaft 10 and the second drive shaft 40 by simultaneously contacting the first drive shaft 10 and the sleeve 42.

[0110] In some embodiments of this disclosure, a portion of the first drive shaft 10, the driver 20, and at least one clutch switching mechanism 30 are disposed within the sleeve 42. This reduces the distance between the drive shaft 10 and the sleeve 42 and facilitates direct contact and engagement between at least one clutch switching mechanism 30 and the inner wall of the sleeve 42, thereby reducing the number of components.

[0111] According to some embodiments of this disclosure, as shown in FIG1, the clutch device 200 further includes a first bearing 60, which is disposed within a sleeve 42, and one end of the first drive shaft 10 located within the sleeve 42 passes through the first bearing 60. This facilitates the rotation of the first drive shaft 10.

[0112] According to some embodiments of the present disclosure, as shown in FIG1, the clutch device 200 further includes: a housing 70, a first drive shaft 10 and a second drive shaft 40 disposed in the housing 70, and the first drive shaft 10 and the second drive shaft 40 respectively extend out of the housing 70, thereby facilitating the transmission connection between the first drive shaft 10 and the second drive shaft 40 and other components.

[0113] According to some embodiments of this disclosure, as shown in Figures 1, 8, and 9, the housing 70 is provided with a first stop step 71, and the first drive shaft 10 is provided with a second stop step 17. The clutch device 200 further includes a second bearing 80, a second stop member 81, and a third stop member 82. The second bearing 80 is disposed within the housing 70, and the first drive shaft 10 passes through the second bearing 80. One side of the second bearing 80 respectively engages with the first stop step 71 and the second stop step 17. The second stop member 81 is disposed within the housing 70, and the third stop member 82 is disposed on the first drive shaft 10. The other side of the second bearing 80 respectively engages with the second stop member 81 and the third stop member 82.

[0114] Understandably, the first drive shaft 10 passes through the first bearing 60 and the second bearing 80, thereby ensuring more stable rotation of the first drive shaft 10. The first stop step 71 can stop the outer ring of the second bearing 80, and the second stop step 17 can stop the inner ring of the second bearing 80, thereby restricting the movement of the second bearing 80 toward the second drive shaft 40. The second stop 81 and the third stop 82 can be configured as retaining rings. The second stop 81 can restrict the movement of the outer ring of the second bearing 80 away from the second drive shaft 40, and the third stop 82 can restrict the movement of the inner ring of the second bearing 80 away from the second drive shaft 40. In this way, the second bearing 80 can be limited along the axial direction of the first drive shaft 10, and the gap between the second bearing 80 and the second stop 81 and the third stop 82 can be eliminated.

[0115] According to some embodiments of this disclosure, the second drive shaft 40 is provided with a third stop step 43, and the housing 70 is provided with a fourth stop step 72. The clutch device 200 further includes a third bearing 83 and a fourth stop member 84. The third bearing 83 is disposed within the housing 70, and the second drive shaft 40 passes through the third bearing 83. One side of the third bearing 83 engages with the third stop step 43. The fourth stop member 84 is disposed on the second drive shaft 40, and the other side of the third bearing 83 engages with both the fourth stop step 72 and the fourth stop member 84.

[0116] Understandably, the third stop step 43 can prevent the inner ring of the third bearing 83 from moving towards the first drive shaft 10, and the fourth stop step 72 can prevent the outer ring of the third bearing 83 from moving away from the first drive shaft 10. The fourth stop 84 can also be configured as a retaining ring, which can prevent the inner ring of the third bearing 83 from moving away from the first drive shaft 10. In this way, the third bearing 83 can be axially limited along the second drive shaft 40, and the gap between the third bearing 83 and the fourth stop 84 can be eliminated.

[0117] According to some embodiments of this disclosure, as shown in FIG1, the clutch device 200 further includes: a first oil seal 85 and a second oil seal 86. The first oil seal 85 is disposed in the housing 70, and the first drive shaft 10 passes through the first oil seal 85. The second oil seal 86 is disposed in the housing 70, and the second drive shaft 40 passes through the second oil seal 86.

[0118] In this way, by sealing the second bearing 80 with the first oil seal 85, leakage of lubricating oil at the second bearing 80 can be prevented, and by sealing the third bearing 83 with the second oil seal 86, leakage of lubricating oil at the third bearing 83 can be limited.

[0119] According to some embodiments of this disclosure, as shown in Figures 1 and 7, the housing 70 includes a housing 73, an end cap 74, and a seal 75. The housing 73 has a first through hole 76 through which a second drive shaft 40 passes. The end cap 74 is disposed on the housing 73 and has a second through hole through which the first drive shaft 10 passes. The seal 75 is disposed between the housing 73 and the end cap 74, thereby sealing the gap between the housing 73 and the end cap 74.

[0120] It should be noted that the second bearing 80 and the third bearing 83 can be housed inside the housing 73.

[0121] According to some embodiments of this disclosure, the end cap 74 can be used to seal the housing 73, and the end cap 74 and the housing 73 can be fixedly connected by threads. The sealing element 75 can be an O-ring, thereby making the seal between the end cap 74 and the housing 73 more tight.

[0122] In addition, the first bearing 60 can be fixed to the inner wall of the sleeve 42 by riveting, the second bearing 80 can be fixed to the inner wall of the second through hole by riveting, and the third bearing 83 can also be fixed to the inner wall of the first through hole 76 by riveting, thereby preventing the positions of the first bearing 60, the second bearing 80 and the third bearing 83 from moving.

[0123] It should be noted that the first stop 50, the second stop 81 and the third stop 82 can be set as retaining rings, or they can be fixed by axial tightening with screw plugs or by axial pressure plates. This disclosure does not limit them.

[0124] As shown in FIG10, the steering system 500 according to the second aspect of the present disclosure includes: the clutch device 200 of the above embodiment.

[0125] As shown in FIG11, the vehicle 1000 according to the third aspect of the present disclosure includes: the steering system 500 of the above embodiment.

[0126] In the description of this disclosure, it should be understood that the terms “center,” “length,” “width,” “thickness,” “upper,” “lower,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” “outer,” etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this disclosure.

[0127] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this disclosure. Although embodiments of this disclosure have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this disclosure, the scope of which is defined by the claims and their equivalents.

Claims

1. A clutch device, comprising: First drive shaft (10); The second drive shaft (40) is sleeved on a portion of the outer peripheral surface of the first drive shaft (10); as well as At least one clutch switching mechanism (30) is provided on the outer peripheral surface of the first transmission shaft (10), or the at least one clutch switching mechanism (30) is provided on the inner peripheral surface of the second transmission shaft (40); The energization or de-energization of the at least one clutch switching mechanism (30) is adapted to decouple or couple the first drive shaft (10) and the second drive shaft (40) in a non-axial direction.

2. The clutch device according to claim 1, wherein, Any one of the at least one clutch switching mechanism (30) includes: A driver (20) disposed on and rotating with the first drive shaft (10), or a driver (20) disposed on and rotating with the second drive shaft (40); and A snap-fit ​​connector (31) is provided circumferentially with the driver (20) along the first drive shaft (10). When the driver (20) is energized, it generates a driving force that pushes the snap-fit ​​connector (31) to move toward or away from the driver (20) to control the first drive shaft (10) and the second drive shaft (40) to disconnect or connect.

3. The clutch device according to claim 2, wherein, Each of the clutch switching mechanisms (30) further includes: an elastic connector (22), wherein the elastic connector (22) satisfies one of the following: The elastic connector (22) is disposed between the driver (20) and the snap-fit ​​connector (31); The elastic connector (22) is disposed between the first drive shaft (10) and the snap-fit ​​connector (31); or, The elastic connector (22) is disposed between the second drive shaft (40) and the snap-fit ​​connector (31).

4. The clutch device according to claim 2 or 3, wherein, The driver (20) includes: Magnet (211); and At least one electromagnetic coil (212) is disposed on the magnet (211).

5. The clutch device according to claim 4, wherein, The at least one electromagnetic coil (212) includes a plurality of electromagnetic coils (212), each of the plurality of electromagnetic coils (212) being arranged around the magnet (211), and the plurality of electromagnetic coils (212) being spaced apart along the length direction of the magnet (211).

6. The clutch device according to claim 5, wherein, The magnet (211) includes, along its length: The first segment (213), the second segment (214) and the third segment (215) are connected between the first segment (213) and the third segment (215), and the plurality of electromagnetic coils (212) are respectively wrapped around the first segment (213) and the third segment (215); The second segment (214) extends axially along the first drive shaft (10), the first segment (213) and the third segment (215) are parallel to each other and perpendicular to the second segment (214), and the end face of the first segment (213) and the end face of the third segment (215) face the snap-fit ​​member (31).

7. The clutch device according to any one of claims 3-6, wherein, At least one mounting groove (14) is formed on at least one side of the first drive shaft (10) in the circumferential direction. Any one of the clutch switching mechanisms (30) is disposed in the corresponding mounting groove (14) in the at least one mounting groove (14). The driver (20) controls the first drive shaft (10) and the second drive shaft (40) to decouple or couple in the non-axial direction by driving the snap-fit ​​member (31) to move in the at least one mounting groove (14).

8. The clutch device according to claim 7, wherein, The angle between at least one side of any of the at least one mounting slot (14) and the bottom of the slot is an obtuse angle.

9. The clutch device according to claim 7 or 8, wherein, The at least one clutch switching mechanism (30) includes a plurality of clutch switching mechanisms (30), and the at least one mounting slot (14) includes a plurality of mounting slots (14). The plurality of clutch switching mechanisms (30) and the plurality of mounting slots (14) are arranged in a one-to-one correspondence. The plurality of mounting slots (14) are spaced apart in the circumferential direction of the first transmission shaft (10).

10. The clutch device according to claim 9, wherein, Any one of the at least one mounting slots (14) includes: The mounting part (18) and the movable part (11) are arranged in a circumferential direction along the first drive shaft (10). The mounting part (18) forms a mounting area for the driver (20) and the elastic connector (22), and the movable part (11) forms a movable area for the snap-fit ​​member (31).

11. The clutch device according to claim 10, wherein, Along the circumferential direction of the first drive shaft (10), the groove depth of the movable part (11) gradually decreases from the mounting part (18) to the circumferential contact surface, which is the outer circumferential surface of the first drive shaft (10) or the inner circumferential surface of the second drive shaft (40).

12. The clutch device according to claim 11, wherein, The movable part (11) includes a first movable part (111) and a second movable part (112). The first movable part (111) and the second movable part (112) are disposed on both sides of the mounting part (18) along the circumferential direction of the first transmission shaft (10). The driver (20) is adapted to drive the snap-fit ​​member (31) in the first movable part (111) and the snap-fit ​​member (31) in the second movable part (112) to move toward the driver (20).

13. The clutch device according to any one of claims 10-12, wherein, Each of the clutch switching mechanisms (30) further includes: Mounting base (23), the mounting base (23) is disposed in the mounting part (18), the driver (20) is disposed in the mounting base (23), the mounting base (23) has a mounting hole (231) on the side facing the movable part (11), and the elastic connector (22) is disposed in the mounting hole (231).

14. The clutch device according to claim 13, wherein, The mounting base (23) is made of magnetic shielding material and is injection molded together with the first drive shaft (10).

15. The clutch device according to claim 13 or 14, wherein, The first drive shaft (10) is provided with a plurality of protrusions (13) on the outer peripheral surface of the mounting base (23), and the plurality of protrusions (13) are in concave-convex fit with the mounting base (23).

16. The first drive shaft (10) assembly of the clutch device according to any one of claims 2-15, wherein, The snap-fit ​​element (31) is constructed in a cylindrical shape and is a metal or magnetic component.

17. The clutch device according to any one of claims 1-16, wherein, The first drive shaft (10) includes: First axis (15); and An annular flange (16) is disposed on the first shaft (15), and at least one clutch switching mechanism (30) is disposed on the annular flange (16).

18. The clutch device according to claim 17, wherein, At least one side of the first drive shaft (10) in the circumferential direction is provided with a mounting groove (14), and the at least one clutch switching mechanism (30) is disposed in the mounting groove (14). Along the axial direction of the first shaft (15), both ends of the mounting groove (14) are open. The clutch device further includes: The first stop (50) is sleeved on the first shaft (15) and disposed on both sides of the annular flange (16) to stop and cooperate with the at least one clutch switching mechanism (30) at both ends of the mounting groove (14).

19. The clutch device according to any one of claims 1-16, wherein, The second drive shaft (40) includes: Second axis (41); and A sleeve (42) is connected to one end of the second shaft (41). A portion of the first drive shaft (10) and the at least one clutch switching mechanism (30) are disposed inside the sleeve (42). The at least one clutch switching mechanism (30) controls the first drive shaft (10) and the second drive shaft (40) to rotate synchronously by simultaneously contacting the sleeve (42).

20. The clutch device according to claim 19, further comprising: A first bearing (60) is disposed inside the sleeve (42), and one end of the first drive shaft (10) located inside the sleeve (42) passes through the first bearing (60).

21. The clutch device according to any one of claims 1-20, further comprising: The housing (70) has the first drive shaft (10) and the second drive shaft (40) disposed on the housing (70) and extend out of the housing (70) respectively.

22. The clutch device according to claim 21, wherein, The outer casing (70) includes: The housing (73) is provided with a first through hole (76), and the second drive shaft (40) passes through the first through hole (76); End cap (74), the end cap (74) being disposed on the housing (73), the end cap (74) having a second through hole, the first drive shaft (10) passing through the second through hole; and A seal (75) is disposed between the housing (73) and the end cap (74) to seal the gap between the housing (73) and the end cap (74).

23. The clutch device according to claim 22, wherein, The housing (70) is provided with a first stop step (71), the first drive shaft (10) is provided with a second stop step (17), and the clutch device (200) further includes: The second bearing (80) is disposed inside the housing (73), the first transmission shaft (10) passes through the second bearing (80), and one side of the second bearing (80) is respectively stopped and engaged with the first stop step (71) and the second stop step (17). A second stop (81) is disposed on the housing (70); and The third stop (82) is disposed on the first transmission shaft (10), and the other side of the second bearing (80) is respectively engaged with the second stop (81) and the third stop (82).

24. The clutch device according to claim 22 or 23, wherein, The second drive shaft (40) is provided with a third stop step (43), the housing (70) is provided with a fourth stop step (72), and the clutch device (200) further includes: A third bearing (83) and a second bearing (80) are disposed within the housing (73). A second drive shaft (40) passes through the third bearing (83). One side of the third bearing (83) engages with a third stop step (43). The fourth stop (84) is disposed on the second transmission shaft (40), and the other side of the third bearing (83) is respectively engaged with the fourth stop step (72) and the fourth stop (84).

25. The clutch device according to any one of claims 21-24, further comprising: A first oil seal (85) is disposed on the housing (70), and a first drive shaft (10) passes through the first oil seal (85); as well as The second oil seal (86) is disposed on the housing (70), and the second drive shaft (40) passes through the second oil seal (86).

26. A steering system, comprising: The clutch device according to any one of claims 1-25.

27. A vehicle comprising: The steering system according to claim 26.

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