Clutch assembly and vehicle

Abstract

This application discloses a clutch assembly and a vehicle to solve the technical problem of clutch assemblies occupying a large amount of vehicle space in related technologies. The clutch assembly includes a transmission assembly and a drive assembly. The transmission assembly includes an input shaft, a first gear, and a second gear. The first gear is disposed on the input shaft and spaced apart from the second gear along its axial direction. A clearance hole is provided on the first gear. The drive assembly includes a power component, a bracket, and a one-way clutch. The one-way clutch is disposed between the first gear and the second gear, and the power component is disposed on the side of the first gear away from the second gear. The one-way clutch is drive-connected to the input shaft. The bracket passes through the clearance hole, and one end of the bracket can abut against the power component, while the other end can abut against the one-way clutch, so that the one-way clutch can move towards the side closer to the second gear under the drive of the power component, thereby drive-connecting the one-way clutch with the second gear.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, specifically to a clutch assembly and a vehicle. Background Technology

[0002] A one-way clutch is a mechanical device that can transmit power in only one direction and automatically disengages when the power is reversed. It is widely used in automobiles, construction machinery, textile machinery, and other fields. In hybrid vehicles, a one-way clutch can coordinate the working logic of multiple power sources such as the engine and electric motor, solve the problem of power interference when switching between different power modes, and at the same time improve system efficiency and protect components.

[0003] Because the one-way clutch is connected to the input shaft of the motor and typically requires a drive mechanism, it can be selectively connected to a direct-drive gear transmission that is connected to the engine drive. Furthermore, the motor's input shaft usually needs to be connected to a speed-increasing gear.

[0004] To facilitate the transmission of power from the input shaft to the direct-drive gear, the lift gear and the direct-drive gear are typically aligned axially. This axial alignment inevitably interferes with the drive mechanism's configuration. Furthermore, to allow the one-way clutch to selectively connect with the direct-drive gear, the drive mechanism in related technologies occupies a significant amount of vehicle space, which is detrimental to the architecture of other vehicle components. For example, related technologies often arrange the drive mechanism along a direction perpendicular to the lift gear's axial direction. This results in an increase in the Z-axis space (i.e., perpendicular to the lift gear's axial direction) of the clutch assembly. Utility Model Content

[0005] This utility model provides a clutch assembly and a vehicle to solve the technical problem that clutch assemblies occupy a large amount of vehicle space in related technologies.

[0006] In a first aspect, this application provides a clutch assembly, including: a transmission assembly and a drive assembly. The transmission assembly includes: an input shaft, a first gear, and a second gear. The first gear is disposed on the input shaft and spaced apart from the second gear along its axial direction. A clearance hole is provided on the first gear. The drive assembly includes: a power component, a bracket, and a one-way clutch. The one-way clutch is disposed between the first gear and the second gear, and the power component is disposed on the side of the first gear away from the second gear. The one-way clutch is drive-connected to the input shaft. The bracket passes through the clearance hole, one end of the bracket can abut against the power component, and the other end can abut against the one-way clutch, so that the one-way clutch moves towards the side closer to the second gear under the drive of the power component, thereby drive-connecting the one-way clutch to the second gear.

[0007] According to the above technical means, when the input shaft rotates, it drives both the first gear and the one-way clutch to rotate. Since the bracket passes through the clearance hole, the bracket will rotate synchronously with the first gear. When the second gear needs to rotate, the power component can be started. The power component pushes the bracket to move, which in turn drives the one-way clutch to move closer to the second gear until the one-way clutch engages with the second gear, and the input shaft and the second gear complete the transmission connection.

[0008] Because the one-way clutch is located between the first gear and the second gear, it makes full use of the clearance space between the two gears (i.e., the first gear and the second gear), avoiding the need for additional mounting positions on the outside of the clutch assembly (e.g., on the radial side of the first gear), further compressing the overall volume of the clutch assembly, and effectively controlling the dimensions of the clutch assembly in both the axial and radial directions, thereby saving valuable space for the whole vehicle.

[0009] In addition, the first gear is provided with a clearance hole, and the bracket can be inserted into the clearance hole. The bracket can also abut against the power component and the one-way clutch. In this way, the installation space of the bracket is cleverly integrated into the structure of the first gear, without the need to reserve a lot of extra bracket installation space, reducing the space occupied by the bracket in the axial and radial directions, and making the structure of the transmission component more compact.

[0010] Furthermore, the power component is located on the side of the first gear away from the second gear, and is connected to the clutch via a bracket. The bracket passes through the clearance hole of the first gear. Therefore, there is no need to install a complex transmission mechanism on the outer periphery of the gear, reducing the space occupied during power transmission.

[0011] In one possible implementation, the power unit includes a hydraulic pump and a piston assembly, the hydraulic pump being used to drive the piston assembly to make linear motion, thereby driving the bracket to push the one-way clutch to move towards the side closer to the second gear.

[0012] Because the hydraulic pump converts mechanical energy into hydraulic energy and transmits power to the piston assembly through the pressure of hydraulic oil, hydraulic transmission reduces energy loss caused by mechanical friction compared to mechanical transmission (such as gears or linkage mechanisms). The incompressibility of hydraulic oil also makes power transmission smoother, avoiding impact vibrations caused by mechanical clearances. Furthermore, the linear motion characteristics of the piston assembly are directly consistent with the direction of the bracket's action on the one-way clutch, eliminating the need for additional motion conversion mechanisms, reducing the transmission chain length, and thus improving power transmission efficiency. This results in a faster response speed for the one-way clutch and avoids power lag problems caused by too many transmission links.

[0013] In one possible implementation, the power component further includes a plate body connected to the piston assembly, the plate body being located between the piston assembly and the support.

[0014] Based on the above technical means, the plate body serves as an intermediate connecting part between the piston assembly and the support. This allows the piston's thrust to be distributed over a larger contact surface, preventing the support from bearing excessive local stress and effectively preventing deformation or breakage of the support due to stress concentration.

[0015] In one possible implementation, the clutch assembly further includes a bearing comprising an outer ring and an inner ring, the outer ring being configured to connect to a bracket and the inner ring being configured to contact a plate.

[0016] According to the above technical means, the inner ring of the bearing and the plate, and the outer ring and the support achieve relative motion through rolling elements (such as balls), which transforms sliding friction into rolling friction, reduces the coefficient of friction, significantly reduces energy loss, improves power transmission efficiency, and can reduce wear between the plate and the support.

[0017] In one possible implementation, a protrusion is provided on the side of the plate near the support, and the protrusion matches the inner ring of the bearing.

[0018] According to the above technical means, the axial height of the protrusion matches the inner ring of the bearing, and the bearing realizes the axial limitation of the bracket. That is, the protrusion limits the outer ring of the bearing, forming the axial positioning of the protrusion-inner ring-outer ring-bracket, ensuring the accuracy of the bracket and plate.

[0019] In one possible implementation, the bracket includes: a connecting ring and a support leg; the connecting ring is connected to the outer ring, an opening is formed in the connecting ring, the input shaft passes through the opening, and the opening and the input shaft are clearance-fitted; the support leg is connected to the connecting ring, passes through a clearance hole, and is connected to a one-way clutch.

[0020] Based on the above technical means, the connecting ring and the outer ring of the bearing are fixedly connected, which can evenly transmit the axial force borne by the outer ring of the bearing to the support foot, avoid deformation of the connecting ring caused by local stress, and ensure the stability of the support movement.

[0021] In one possible implementation, multiple legs are provided, and the multiple legs are evenly spaced along the circumferential distance of the connecting ring.

[0022] Based on the aforementioned technical means, multiple legs evenly bear the axial thrust from the plate and bearings, avoiding overload of individual legs. For example, when the axial force is 3000N, four legs can allow each leg to bear a load of 750N, compared to 1500N per leg when there are two legs. The stress on the legs is reduced by 50%, effectively preventing bending or breakage of the legs due to stress concentration.

[0023] In one possible implementation, the clutch assembly includes a support ring disposed between the input shaft and the connecting ring, adapted to support a bracket.

[0024] Based on the above technical means, the axial gear of the support ring can accurately limit the axial position of the bracket, avoid inaccurate engagement position of the one-way clutch due to axial movement of the bracket, and improve the smoothness of transmission.

[0025] In one possible implementation, the first gear and the input shaft are an integral structure.

[0026] Based on the above technical means, the integrated structure can avoid the stress concentration problem that may occur when the gear and the input shaft are connected by a key or interference fit, thereby improving the overall strength of the structure.

[0027] Secondly, this application also provides a vehicle including: the clutch assembly described in the first aspect.

[0028] It should be noted that the technical effects of the second implementation method can be found in the technical effects of the corresponding implementation method in the first aspect, and will not be repeated here. Attached Figure Description

[0029] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application, and do not constitute an undue limitation of this application.

[0030] Figure 1 A schematic diagram of the structure of a vehicle provided in an embodiment of this application;

[0031] Figure 2 This is a partial structural schematic diagram of a clutch assembly provided in an embodiment of this application;

[0032] Figure 3 This is a schematic diagram of the structure of a clutch assembly provided in an embodiment of this application;

[0033] Figure 4 Provided for the embodiments of this application Figure 3 A cross-sectional view of the support structure;

[0034] Figure 5 Provided for the embodiments of this application Figure 3 A schematic diagram showing the positions of the support ring, bracket, and input shaft.

[0035] Icon labels:

[0036] 1000 - Vehicle; 100 - Body; 200 - Wheel; 300 - Clutch assembly;

[0037] 10-Transmission assembly; 11-Input shaft; 12-First gear; 121-Allowing hole; 13-Second gear; 14-First meshing gear; 15-Second meshing gear;

[0038] 20-Drive assembly; 21-Power component; 211-Plate body; 22-Bracket; 221-Connecting ring; 2211-Opening; 222-Feet; 23-One-way clutch; 231-Inner ring; 232-Outer ring;

[0039] 30-Bearing;

[0040] 40 - Support ring. Detailed Implementation

[0041] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0042] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0043] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0044] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Furthermore, when describing pipelines, the terms "connected" and "linked" as used in this application have the meaning of establishing electrical connection. The specific meaning needs to be understood in conjunction with the context.

[0045] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0046] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0047] This application provides a vehicle 1000. The vehicle 1000 can be a pure electric vehicle 1000, a hybrid electric vehicle 1000, a plug-in hybrid electric vehicle 1000, a range-extended electric vehicle 1000, a gasoline vehicle, etc. The vehicle 1000 can also be a sedan, a truck, a bus, a lorry, a trailer, etc.

[0048] like Figure 1 As shown, the vehicle 1000 includes a body 100 and wheels 200. The body 100 can form a passenger space for occupants. The wheels 200 are mounted under the body 100 to support the body 100 and are capable of rolling on the road surface, enabling the vehicle 1000 to move.

[0049] The vehicle 1000 may also include a battery pack and a drive assembly, both of which are mounted on the body 100. The battery pack is electrically connected to the drive assembly to provide power to the drive assembly, which converts electrical energy into mechanical energy and transmits the mechanical energy to the wheels to drive the wheels 200 of the vehicle 1000 to rotate, enabling the vehicle 1000 to move.

[0050] The drive assembly can be located in the front compartment of the vehicle 1000 to drive the front wheels of the vehicle 1000 to rotate, or it can be located in the rear compartment of the vehicle 1000 to drive the rear wheels of the vehicle 1000 to rotate. Alternatively, the drive assembly can be located in both the front and rear compartments of the vehicle 1000 to drive the front and rear wheels simultaneously or selectively.

[0051] like Figure 2 and Figure 3 As shown, the drive assembly may include a clutch assembly 300, which is adapted to engage or disengage power transmission. The clutch assembly 300 may include a transmission assembly 10 and a drive assembly 20.

[0052] The transmission assembly 10 includes an input shaft 11, a first gear 12, and a second gear 13. Optionally, the input shaft 11 can be the output shaft of a motor, which can be electrically connected to the battery pack of the vehicle 1000, thereby converting electrical energy into rotational motion (mechanical energy) of the output shaft. Optionally, the input shaft 11 can also be other shafts that are driveably connected to the input shaft 11 of the motor; this embodiment does not limit this type of connection. The drive connection can include key connections, belt drives, gear drives, etc., and this embodiment also does not limit this type of connection.

[0053] The first gear 12 can be connected to other transmission components (such as gears) via the first meshing gear 14 to transmit power. The second gear 13 can also be connected to a transmission mechanism (such as gears) via the second meshing gear 15 to transmit power.

[0054] The second gear 13 can be connected to the engine drive. Optionally, the second gear 13 can be directly connected to the engine crankshaft, which simplifies the connection and improves transmission efficiency. Optionally, the second gear 13 can also be connected to the engine shaft via other components; this application does not limit this. The axial direction of the first gear 12 and the second gear 13 can be aligned in the same direction, that is, the axial direction of the first gear 12 and the axial direction of the second gear 13 can be parallel.

[0055] Optionally, the first gear 12 can be a speed-increasing gear. In this way, the speed-increasing gear enables the motor to amplify torque at low speeds through the gear ratio, thereby improving the motor's low-speed, high-torque output capability. Optionally, the second gear 13 can be a direct-drive gear, that is, the second gear 13 directly meshes with the engine crankshaft. In this case, the power will be transmitted through the input shaft 11-one-way clutch, reducing the transmission chain length.

[0056] In addition, the first gear 12 is mounted on the input shaft 11, and the first gear 12 is spaced apart from the second gear 13 along its axial direction. The first gear 12 is provided with a clearance hole 121, which can be arranged along the axial direction of the first gear 12.

[0057] Furthermore, the drive assembly 20 includes a power component 21, a bracket 22, and a one-way clutch 23. The one-way clutch 23 is located between the first gear 12 and the second gear 13, and the power component 21 is located on the side of the first gear 12 opposite to the second gear 13. The one-way clutch 23 is drive-connected to the input shaft 11. The bracket 22 passes through the clearance hole 121, with one end of the bracket 22 able to abut against the power component 21 and the other end able to abut against the clutch, so that the clutch moves towards the side closer to the second gear 13 under the drive of the power component 21, thereby drive-connecting the one-way clutch 23 to the second gear 13.

[0058] The one-way clutch 23 includes an inner ring 231 and an outer ring 232. The inner ring 231 can be drivenly connected to the input shaft 11. For example, the inner ring 231 can be disposed on the outer periphery of the input shaft 11 and drivenly connected to the input shaft 11 via a spline. The outer ring 232 can be fixedly connected to the bracket 22 and can be provided with meshing teeth that can mesh with the second gear 13. This achieves one-way clutch engagement and drive connection with the second gear 13.

[0059] Additionally, the outer ring 232 may include, but is not limited to, a fixed connection to the bracket 22 via welding, riveting, hinge, threaded connection, or snap-fit. This application embodiment does not limit this aspect.

[0060] In this way, when the input shaft 11 rotates, it drives both the first gear 12 and the one-way clutch 23 to rotate. Since the bracket 22 passes through the clearance hole 121, it will rotate synchronously with the first gear 12. When the second gear 13 needs to rotate, the power component 21 can be activated. The power component 21 pushes the bracket 22 to move, which in turn drives the clutch to move closer to the second gear 13 until the one-way clutch 23 engages with the second gear 13. The input shaft 11 and the second gear 13 are then connected.

[0061] Since the one-way clutch 23 is located between the first gear 12 and the second gear 13, it makes full use of the clearance space between the two gears (i.e., the first gear 12 and the second gear 13), avoiding the need to set an additional installation position on the outside of the clutch assembly 300 (e.g., on the radial side of the first gear 12), further compressing the overall volume of the clutch assembly 300, so that the dimensions of the clutch assembly 300 in the axial and radial directions are effectively controlled, thereby saving valuable space for the whole vehicle.

[0062] In addition, the first gear 12 is provided with a clearance hole 121, and the bracket 22 can be inserted into the clearance hole 121. The bracket 22 can abut against the power component 21 and the one-way clutch 23. In this way, the installation space of the bracket 22 is cleverly integrated into the structure of the first gear 12, without the need to reserve a lot of extra installation space for the bracket 22, reducing the space occupied by the bracket 22 in the axial and radial directions, and making the structure of the transmission assembly 10 more compact.

[0063] In addition, the power component 21 is located on the side of the first gear 12 away from the second gear 13. The power component 21 is connected to the one-way clutch 23 through the bracket 22. The bracket 22 passes through the clearance hole 121 of the first gear 12. Therefore, there is no need to set up a complex transmission mechanism on the outer periphery of the gear, which reduces the volume occupied by the vehicle space during power transmission.

[0064] In some embodiments of this application, the power component 21 includes a hydraulic pump and a piston assembly, wherein the hydraulic pump drives the piston assembly to make linear motion, thereby driving the bracket 22 to push the one-way clutch 23 to move toward the side closer to the second gear 13.

[0065] The piston assembly may include a piston chamber, a piston body, and a piston rod. One end of the piston rod is fixedly connected to the piston body, and the other end of the piston rod can abut against the bracket 22. The piston body can divide the piston chamber into a first chamber (the chamber without the piston rod, referred to as the rodless chamber) and a second chamber (the chamber with the piston rod, referred to as the rod chamber). The piston rod and the piston body can move linearly along the axial direction of the piston rod.

[0066] Optionally, the piston rod and piston body can be connected by welding, riveting, gluing, threaded connection or snap-fit, etc., and the embodiments of this application do not limit this.

[0067] In addition, an oil inlet is provided on the piston chamber, which communicates with the first chamber. When the hydraulic oil output by the hydraulic pump enters the rodless chamber through the oil inlet, the pressure of the oil pushes the piston, causing the piston rod to extend outward. The piston rod thrust can be transmitted to the one-way clutch 23 through the bracket 22, pushing the one-way clutch 23 to move closer to the second gear 13.

[0068] Because the hydraulic pump converts mechanical energy into hydraulic energy and transmits power to the piston assembly through the pressure of hydraulic oil, hydraulic transmission reduces energy loss caused by mechanical friction compared to mechanical transmission (such as gears or linkage mechanisms). Furthermore, the incompressibility of hydraulic oil makes power transmission smoother, avoiding impact vibrations caused by mechanical clearances. In addition, the linear motion characteristics of the piston assembly are directly consistent with the direction of action of the bracket 22 pushing the one-way clutch 23. Therefore, no additional motion conversion mechanism is needed, reducing the transmission chain length and thus improving power transmission efficiency. This allows the one-way clutch 23 to respond faster, avoiding power lag problems caused by too many transmission links.

[0069] In some embodiments of this application, the power component 21 may further include an electric motor and a transmission mechanism. The electric motor is connected to the transmission mechanism, which is adapted to convert the rotational motion of the electric motor's rotating shaft into linear motion. Exemplarily, the transmission mechanism may be a rack and pinion mechanism, a lead screw and nut mechanism, a crank-slider mechanism, or a cam mechanism, etc., and this application does not limit the specific implementation of such a mechanism.

[0070] In some embodiments of this application, the power component 21 further includes a plate 211, which is connected to the piston assembly. The connection between the plate 211 and the piston assembly can be welding, riveting, adhesive bonding, threaded connection, or snap-fit, etc., and this application does not limit this method. The plate 211 is located between the piston assembly and the bracket 22, that is, the plate 211 is disposed between the piston rod and the bracket 22. The piston rod is connected to one side of the plate 211, and the other side of the plate 211 is in contact with the bracket 22.

[0071] The contact arrangement can include two methods: contact between the two parts and a fixed connection between the two parts. That is, the contact arrangement between the other side of the plate 211 and the bracket 22 includes: contact between the plate 211 and the bracket 22, and a fixed connection between the plate 211 and the bracket 22. The fixed connection method can be referred to the above description, and will not be described in detail in this embodiment.

[0072] In this way, the plate 211, as an intermediate connecting part between the piston assembly and the bracket 22, can distribute the piston's thrust to a larger contact surface, avoid excessive local stress on the bracket 22, and effectively prevent the bracket 22 from deforming or breaking due to stress concentration.

[0073] In some other embodiments of this application, the piston rod can directly contact the bracket 22. This contact arrangement includes two methods: abutting against each other and a fixed connection. That is, the piston rod directly contacting the bracket 22 can include the piston rod abutting against the bracket 22, and the piston rod being fixedly connected to the bracket 22. The fixed connection method is described above and will not be repeated in detail in this embodiment. This eliminates the need for additional structures, thus reducing costs.

[0074] In some embodiments of this application, the clutch assembly 300 further includes a bearing 30, which includes an outer ring and an inner ring. The outer ring is connected to the bracket 22, and the inner ring is in contact with the plate 211. The bearing 30 may also include balls disposed between the outer and inner rings, the balls being rotatably disposed between the inner and outer rings.

[0075] In this way, the inner ring of the bearing 30 and the plate 211, and the outer ring and the bracket 22 achieve relative motion through rolling elements (such as balls), which transforms sliding friction into rolling friction, reduces the coefficient of friction, significantly reduces energy loss, improves power transmission efficiency, and reduces wear between the plate 211 and the bracket 22.

[0076] In some embodiments of this application, a protrusion is provided on the side of the plate 211 near the bracket 22, and the protrusion matches the inner ring of the bearing 30. That is, the protrusion and the inner ring of the bearing 30 are either interference fit or clearance fit.

[0077] In this way, the axial height of the protrusion matches the inner ring of the bearing 30, and the bearing 30 achieves axial positioning of the bracket 22. That is, the protrusion limits the outer ring of the bearing 30, forming an axial positioning of the protrusion-inner ring-outer ring-bracket 22, ensuring the accuracy of the connection between the bracket 22 and the plate 211.

[0078] In some other embodiments of this application, a groove is provided on the side of the plate 211 near the bracket 22, and the groove matches the outer ring of the bearing 30. That is, the groove can be a circular groove, and the groove can be a clearance fit or an interference fit for the outer ring of the bearing 30.

[0079] In some embodiments of this application, such as Figure 3 and Figure 4 As shown, the bracket 22 includes a connecting ring 221 and a support leg 222. The connecting ring 221 is connected to the outer ring. An opening 2211 is formed in the connecting ring 221. The input shaft 11 passes through the opening 2211 and the opening 2211 is clearance-fitted with the input shaft 11.

[0080] Additionally, the support leg 222 is connected to the connecting ring 221. Optionally, the opening 2211 and the support leg 222 can be an integral structure, thus avoiding stress concentration problems that may occur when the support leg 222 and the connecting ring 221 are connected by a key or interference fit, thereby improving the overall structural strength. Optionally, the connection between the support leg 222 and the connecting ring 221 can be welding, riveting, gluing, threaded connection, or snap-fit, etc., and this application embodiment does not limit this.

[0081] In addition, the support leg 222 passes through the clearance hole 121 and is connected to the one-way clutch 23. In this way, the connecting ring 221 is fixedly connected to the outer ring of the bearing 30, which can evenly transmit the axial force borne by the outer ring of the bearing 30 to the support leg 222, avoid deformation of the connecting ring 221 caused by local stress, and ensure the stability of the movement of the bracket 22.

[0082] In some embodiments of this application, multiple legs 222 are provided, and the multiple legs 222 are evenly spaced along the circumferential interval of the connecting ring 221. For example, four legs 222 are provided, and the four legs 222 can be arranged at 90-degree intervals along the circumferential interval of the connecting ring 221. For example, three legs 222 can also be provided, and the three legs 222 can be arranged at 120-degree intervals along the circumferential interval of the connecting ring 221.

[0083] In this way, multiple supports 222 evenly bear the axial thrust from the plate 211 and the bearing 30, avoiding overload of a single support 222. For example, when the axial force is 3000N, four supports 222 can allow each support 222 to bear a load of 750N. Compared with two supports 222, where each support 222 bears 1500N, the stress on the support 222 is reduced by 50%, effectively preventing the support 222 from bending or breaking due to stress concentration.

[0084] In some embodiments of this application, such as Figure 3 and Figure 5As shown, the clutch assembly 300 includes a support ring 40, which is disposed between the input shaft 11 and the connecting ring 221 and is adapted to support the bracket 22. In this way, the axial gear of the support ring 40 can accurately limit the axial position of the bracket 22, avoiding inaccurate engagement position of the one-way clutch 23 due to axial movement of the bracket 22, and improving the smoothness of transmission.

[0085] In some embodiments of this application, the first gear 12 and the input shaft 11 are an integral structure. This integral structure avoids stress concentration problems that may occur when the gear and input shaft 11 are connected by a key or interference fit, thus improving the overall structural strength. In other embodiments of this application, the first gear 12 and the input shaft 11 can also be connected by a key to achieve a transmission connection.

[0086] Although this application has been described herein in conjunction with various embodiments, those skilled in the art, by reviewing the accompanying drawings, the disclosure, and the appended claims, will understand and implement other variations of the disclosed embodiments in carrying out the claimed application. In the claims, the word "comprising" does not exclude other components or steps, and "a" or "an" does not exclude multiple instances. A single processor or other unit can implement several functions listed in the claims. While different dependent claims may recite certain measures, this does not mean that these measures cannot be combined to produce good results.

[0087] Although this application has been described in conjunction with specific features and embodiments, it is obvious that various modifications and combinations can be made thereto without departing from the spirit and scope of this application. Accordingly, this specification and drawings are merely exemplary illustrations of this application as defined by the appended claims, and are considered to cover any and all modifications, variations, combinations, or equivalents within the scope of this application. Clearly, those skilled in the art can make various alterations and modifications to this application without departing from the spirit and scope of this application. Thus, if such modifications and modifications of this application fall within the scope of the claims of this application and their equivalents, this application is also intended to include such modifications and modifications.

[0088] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A clutch assembly, characterized in that, include: The transmission assembly (10) includes: an input shaft (11), a first gear (12) and a second gear (13); the first gear (12) is disposed on the input shaft (11), and the first gear (12) is spaced apart from the second gear (13) along its axial direction; the first gear (12) is provided with a clearance hole (121); The drive assembly (20) includes: a power component (21), a bracket (22), and a one-way clutch (23). The one-way clutch (23) is located between the first gear (12) and the second gear (13). The power component (21) is located on the side of the first gear (12) away from the second gear (13). The one-way clutch (23) is connected to the input shaft (11) in a transmission connection. The bracket (22) passes through the clearance hole (121). One end of the bracket (22) can abut against the power member (21), and the other end can abut against the one-way clutch (23), so that the one-way clutch (23) moves towards the side closer to the second gear (13) under the drive of the power member (21), so that the one-way clutch (23) is connected to the second gear (13) in a transmission connection.

2. The clutch assembly according to claim 1, characterized in that, The power component (21) includes: A hydraulic pump and piston assembly, wherein the hydraulic pump is used to drive the piston assembly to make linear motion, thereby driving the bracket (22) to push the one-way clutch (23) to move closer to the second gear (13).

3. The clutch assembly according to claim 2, characterized in that, The power component (21) also includes: Plate (211), which is connected to the piston assembly, is located between the piston assembly and the bracket (22).

4. The clutch assembly according to claim 3, characterized in that, The clutch assembly also includes: The bearing (30) includes an outer ring and an inner ring, the outer ring being connected to the bracket (22) and the inner ring being in contact with the plate (211).

5. The clutch assembly according to claim 4, characterized in that, The plate (211) has a protrusion on the side near the bracket (22), and the protrusion matches the inner ring of the bearing (30).

6. The clutch assembly according to claim 4, characterized in that, The support (22) includes: A connecting ring (221) is connected to the outer ring. An opening (2211) is formed in the connecting ring (221). The input shaft (11) passes through the opening (2211) and the opening (2211) is clearance-fitted with the input shaft (11). The support leg (222) is connected to the connecting ring (221), and the support leg (222) passes through the clearance hole (121) and is connected to the one-way clutch (23).

7. The clutch assembly according to claim 6, characterized in that, The support legs (222) are provided in multiple locations, and the multiple support legs (222) are evenly spaced along the circumferential interval of the connecting ring (221).

8. The clutch assembly according to claim 6, characterized in that, Also includes: A support ring (40) is disposed between the input shaft (11) and the connecting ring (221) and is adapted to support the bracket (22).

9. The clutch assembly according to any one of claims 1-8, characterized in that, The first gear (12) and the input shaft (11) are an integral structure.

10. A vehicle, characterized in that, Includes the clutch assembly as described in any one of claims 1-9.

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