Compensation assembly, transmission device, steering system and vehicle

Abstract

The utility model relates to a compensation assembly, a transmission device, a steering system and a vehicle, the compensation assembly comprises a first elastic piece, a first clearance compensation piece and a second clearance compensation piece, and the first clearance compensation piece and the second clearance compensation piece are oppositely arranged; at least one of the two opposite end faces of the first clearance compensation piece and the second clearance compensation piece is provided with a guide groove, the guide groove extends in the circumferential direction of the first clearance compensation piece or the second clearance compensation piece, the central angle of the guide groove is larger than or equal to 180 degrees, and the first elastic piece is arranged in the guide groove. The compensation assembly is provided with the first elastic piece, the first elastic piece is located in the guide groove, the central angle of the guide groove is larger than or equal to 180 degrees, the first elastic piece has large deformation to drive the first clearance compensation piece and the second clearance compensation piece to rotate relatively, and then clearance compensation is achieved.

Description

Technical Field

[0001] The present application relates to the field of compensation components, and in particular to a compensation component, a transmission device, a steering system and a vehicle. Background Art

[0002] The vehicle is provided with a transmission device for transmission connection between the transmission parts, and the steering input device can drive the steering actuator to steer through the transmission device.

[0003] As the working time increases, wear occurs between the transmission parts of the transmission device, which increases the gap and easily produces abnormal noise, thereby reducing the reliability of the transmission device. Utility Model Content

[0004] In view of the above-mentioned technical problems, the purpose of the present application is to provide a compensation component for automatically compensating meshing clearance, a transmission device including the above-mentioned compensation component, a steering system including the above-mentioned compensation component or the above-mentioned transmission device, and a vehicle including the above-mentioned compensation component or the above-mentioned transmission device or the above-mentioned steering system, which specifically includes the following technical solutions:

[0005] In the first aspect, an embodiment of the present application provides a compensation assembly, including a first elastic member, a first gap compensation member and a second gap compensation member, the first gap compensation member and the second gap compensation member are arranged opposite to each other, at least one of the two opposite end surfaces of the first gap compensation member and the second gap compensation member is provided with a guide groove, the guide groove extends along the circumference of the first gap compensation member or the second gap compensation member, the central angle of the guide groove is greater than or equal to 180°, and the first elastic member is arranged in the guide groove.

[0006] The compensation component of the present application is provided with a first elastic member, which is located in a guide groove, and the central angle of the guide groove is greater than or equal to 180°. The first elastic member has a large deformation to drive the first gap compensation member and the second gap compensation member to rotate relative to each other, thereby realizing gap compensation.

[0007] In one embodiment, the first gap compensating member is provided with a first protruding portion, the second gap compensating member is provided with a second protruding portion, and the second elastic member is stopped between the first protruding portion and the second protruding portion.

[0008] In one embodiment, the guide groove includes a first guide groove and a second guide groove, the first gap compensation member is provided with a first guide groove, and the second gap compensation member is provided with a second guide groove, wherein: the first protrusion is partially provided in the first guide groove and partially accommodated in the second guide groove; and / or the second protrusion is partially provided in the second guide groove and partially provided in the first guide groove.

[0009] In one embodiment, the first gap compensating member and the second gap compensating member are provided with adjustment holes, and the adjustment holes are used to adjust the initial compensation amount of the first gap compensating member relative to the second gap compensating member.

[0010] In one embodiment, the adjustment hole is disposed at a circular position of the first gap compensation member and the second gap compensation member, and the adjustment hole is configured as an inner hexagonal structure.

[0011] In one embodiment, the outer peripheral surface of the first gap compensator includes at least one first limiting protrusion extending toward the second gap compensator, and the outer peripheral surface of the second gap compensator includes at least one second limiting protrusion extending toward the first gap compensator. Along the circumference of the compensation component, the first limiting protrusion and the second limiting protrusion are spaced apart to cooperate in limiting the relative rotation angle of the first gap compensator and the second gap compensator.

[0012] In one embodiment, the first end surface of the first gap compensator toward the second gap compensator includes a first helical surface, the first helical surface extends around the rotation axis of the first gap compensator, and the second end surface of the second gap compensator toward the first gap compensator includes a second helical surface, and the second helical surface extends around the rotation axis of the second gap compensator.

[0013] In one embodiment, the first end surface includes a plurality of first helical surfaces uniformly distributed along the circumference of the first gap compensation member, and the second end surface includes a plurality of second helical surfaces uniformly distributed along the circumference of the second gap compensation member.

[0014] In one embodiment, the heights of each first helical surface and each second helical surface extending helically around the rotation axis of the first gap compensation member are equal.

[0015] In one embodiment, along the circumference of the compensation assembly, the helix angles of each first helical surface and each second helical surface are less than or equal to the friction angle between the first clearance compensation member and the second clearance compensation member.

[0016] In a second aspect, the present application also provides a transmission device, which includes a housing, a first transmission member, a second transmission member and the above-mentioned compensation component, the first transmission member, the second transmission member and the compensation component are all located in the housing, the first transmission member is transmission-connected to the second transmission member, and the compensation component is located between the first transmission member and the housing.

[0017] In one embodiment, the compensation assembly includes an elastic top block, which is located between the first transmission member and the first gap compensation member. The first gap compensation member pushes the first transmission member toward the second transmission member through the elastic top block.

[0018] In one embodiment, the elastic top block includes a top block and a second elastic member, the two ends of the second elastic member are respectively abutted against the first gap compensation member and the top block, and the top block is connected to the first transmission member so that the first gap compensation member can push the top block to slide through the second elastic member, and the top block pushes the first transmission member toward the second transmission member.

[0019] In one embodiment, the first one of the top block and the first gap compensation member is provided with a groove, and the second elastic member is at least partially received in the groove.

[0020] In one embodiment, the first gap compensation member can move toward the top block until it contacts the top block to limit the compression amount of the second elastic member.

[0021] On the third aspect, an embodiment of the present application also provides a steering system, comprising a steering input device, a steering actuator, a first transmission member, a second transmission member and the above-mentioned compensation component, the steering input device is transmission-connected to the second transmission member, the steering actuator is transmission-connected to the first transmission member, and the compensation component is used to compensate for the gap between the first transmission member and the second transmission member; or comprises a steering input device, a steering actuator and the above-mentioned transmission device, the steering input device is transmission-connected to the second transmission member of the transmission device, and the steering actuator is transmission-connected to the first transmission member of the transmission device.

[0022] In a fourth aspect, an embodiment of the present application further provides a vehicle, the vehicle comprising the above-mentioned compensation component or the above-mentioned transmission device or the above-mentioned steering system.

[0023] It can be understood that the transmission device, steering system and vehicle of the present application can reduce the gap between the first transmission member and the second transmission member by adopting the above-mentioned compensation component, thereby improving the reliability of the transmission device, steering system and vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A partial cross-sectional schematic diagram of a transmission device provided in an embodiment of the present application;

[0025] Figure 2 A partially exploded schematic diagram of a transmission device provided in one embodiment of the present application;

[0026] Figure 3 A cross-sectional schematic diagram of a compensation component provided in one embodiment of the present application;

[0027] Figure 4 A schematic structural diagram of a first gap compensation member provided in an embodiment of the present application from a viewing angle;

[0028] Figure 5 A schematic structural diagram of a first gap compensation member from another perspective provided in an embodiment of the present application;

[0029] Figure 6 A schematic structural diagram of a second gap compensation member provided in an embodiment of the present application from a viewing angle;

[0030] Figure 7 A schematic structural diagram of a second gap compensation member from another perspective provided in an embodiment of the present application.

[0031] Reference numerals:

[0032] 100-transmission device; 10-first transmission member; 20-second transmission member; 30-compensation assembly; 31-first gap compensation member; 311-first helical surface; 312-first limiting protrusion; 313-first limiting groove; 314-first protrusion; 315-first guide groove; 316-first abutting surface; 317-first adjustment hole; 318-groove; 32-second gap compensation member; 321-second helical surface; 322-second limiting protrusion; 323-second limiting groove; 324-second protrusion; 325-second guide groove; 326-second abutting surface; 327-second adjustment hole; 33-first elastic member; 34-elastic top block; 341-second elastic member; 342-top block; 40-elastic gasket; 50-shell; 51-locking member; 52-shell body. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are given in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thoroughly and comprehensively understood.

[0034] The following descriptions of the embodiments are with reference to the attached diagrams to illustrate specific embodiments that the present application can be used to implement. The serial numbers for the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present application, unless otherwise specified, include direct and indirect connections (couplings). The directional terms mentioned in the present application, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "side", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0035] See also Figure 1 and Figure 2 ,in, Figure 1A partial cross-sectional schematic diagram of a transmission device 100 provided in one embodiment of the present application is illustrated; Figure 2 A partially exploded schematic diagram of a transmission device 100 provided in an embodiment of the present application is illustrated.

[0036] The compensation assembly 30 of the present application includes a first elastic member 33, a first gap compensation member 31 and a second gap compensation member 32. The first gap compensation member 31 and the second gap compensation member 32 are arranged opposite to each other. At least one of the two opposite end surfaces of the first gap compensation member 31 and the second gap compensation member is provided with a guide groove. The guide groove extends along the circumference of the first gap compensation member 31 or the second gap compensation member 32. The central angle of the guide groove is greater than or equal to 180°. The first elastic member 33 is arranged in the guide groove.

[0037] Specifically, in one embodiment, Figure 1 As shown, the two opposite end faces of the first gap compensation member 31 and the second gap compensation member 32 are both provided with guide grooves, and the two guide grooves are enclosed to accommodate the first elastic member 33. The first elastic member 33 is used to drive the first gap compensation member 31 and the second gap compensation member 32 to rotate relative to each other to increase the length of the compensation assembly 30 and thereby compensate for the gap.

[0038] The compensation component of the present application is provided with a first gap compensation member 31 and a second gap compensation member 32. Driven by the first elastic member 33, the first gap compensation member 31 and the second gap compensation member 32 can rotate relative to each other, so that the distance between the two opposite end surfaces of the first gap compensation member 31 and the second gap compensation member 32 is increased, thereby increasing the length of the compensation component 30 and compensating the gap.

[0039] The compensation component 30 of the present application has a guide groove for accommodating the first elastic member 33, and the central angle of the guide groove is greater than or equal to 180°. Only one first elastic member 33 can be provided to smoothly drive the first gap compensation member 31 and the second gap compensation member to rotate relative to each other.

[0040] The embodiment of the present application also provides a transmission device 100, including a housing 50, a first transmission member 10, a second transmission member 20 and the above-mentioned compensation component 30, the first transmission member 10, the second transmission member 20 and the compensation component 30 are all located in the housing 50, the first transmission member 10 is transmission-connected to the second transmission member 20, and the compensation component 30 is located between the first transmission member 10 and the housing 50.

[0041] Specifically, in one embodiment, Figure 1 and Figure 2As shown, the second transmission member 20 is rotatably connected with the housing 50, and the second transmission member 20 is meshed with the first transmission member 10. The rotation of the second transmission member 20 can drive the first transmission member to move. The compensation component 30 is located on the side of the first transmission member 10 away from the second transmission member 20. The two ends of the compensation component 30 respectively abut against the first transmission member 10 and the housing 50, and are used to push the first transmission member 10 to move toward the second transmission member 20, thereby ensuring the matching clearance between the first transmission member 10 and the second transmission member 20.

[0042] The first gap compensating member 31 and the second gap compensating member 32 of the compensation assembly 30 of the transmission device 100 of the present application have their opposite ends abutting against the first transmission member 10 and the housing 50 respectively, and the first gap compensating member 31 and the second gap compensating member 32 are abutted against each other at opposite ends, and the first gap compensating member 31 and the second gap compensating member 32 rotate relative to each other to increase the length of the compensation assembly 30, thereby reducing the fitting clearance between the first transmission member 10 and the second transmission member 20.

[0043] Specifically, in one embodiment, Figure 1 and Figure 2 As shown, the compensation assembly 30 includes a first elastic member 33, a first gap compensation member 31, and a second gap compensation member 32. One end of the first gap compensation member 31 abuts against the second gap compensation member 32, and the other end abuts against the first transmission member 10, and one end of the second gap compensation member 32 away from the first gap compensation member 31 abuts against the housing 50, and the first gap compensation member 31 and the second gap compensation member 32 are respectively provided with helical surfaces at opposite ends, and the two helical surfaces fit each other so that the first gap compensation member 31 and the second gap compensation member 32 abut against each other.

[0044] In this embodiment, the first elastic member 33 is located between the first gap compensating member 31 and the second gap compensating member 32, and the axis of the first elastic member 33 extends along the circumferential direction of the guide groove. The first elastic member 33 is used to drive the first gap compensating member 31 and the second gap compensating member 32 to rotate relative to the housing 50. When the first gap compensating member 31 and the second gap compensating member 32 rotate relative to each other, the first gap compensating member 31 and the second gap compensating member 32 will move along the helical surface, so that the distance between the two opposite ends of the first gap compensating member 31 and the second gap compensating member 32 increases, and the first gap compensating member 31 pushes the first transmission member 10 to move toward the second transmission member 20, that is, the length of the compensation assembly 30 increases so that the matching clearance between the first transmission member 10 and the second transmission member 20 is reduced.

[0045] The transmission device 100 of the present application is provided with a first transmission member 10 and a second transmission member 20 , and the first transmission member 10 is transmission-connected with the second transmission member 20 to transmit power.

[0046] As the working time of the first transmission member 10 and the second transmission member 20 increases, the wear between the first transmission member 10 and the second transmission member 20 gradually accumulates, which increases the fitting clearance between the first transmission member 10 and the second transmission member 20. The fitting clearance will affect the fitting accuracy between the first transmission member 10 and the second transmission member 20. An excessively large fitting clearance will cause abnormal noise in the transmission device 100, and may even cause the meshing failure between the first transmission member 10 and the second transmission member 20, so that the transmission device 100 cannot work normally.

[0047] The transmission device 100 of the present application is provided with a compensation component 30. When a fitting gap appears between the first transmission member 10 and the second transmission member 20, the first elastic member 33 can drive the first gap compensation member 31 and the second gap compensation member 32 to rotate relative to each other. Along the arrangement direction of the first gap compensation member 31 and the second gap compensation member 32, the first gap compensation member 31 can move toward the first transmission member 10 to push the first transmission member 10 to move toward the second transmission member 20, thereby reducing the fitting gap between the first transmission member 10 and the second transmission member 20, thereby ensuring good fitting between the first transmission member 10 and the second transmission member 20.

[0048] The present application provides a steering system, which includes a steering input device, a steering actuator, a first transmission member 10, a second transmission member 20 and the above-mentioned compensation assembly 30, wherein the steering input device is transmission-connected to the first transmission member 10, the steering actuator is transmission-connected to the second transmission member 20, and the compensation assembly 30 is used to compensate for the gap between the first transmission member 10 and the second transmission member 20; or the steering system includes a steering input device, a steering actuator and the above-mentioned transmission device 100, wherein the steering input device is transmission-connected to the second transmission member 20 of the transmission device 100, and the steering actuator is transmission-connected to the first transmission member 10 of the transmission device 100. The present application also relates to a vehicle, which includes the above-mentioned compensation assembly 30 or includes the above-mentioned transmission device 100 or includes the above-mentioned steering system.

[0049] Specifically, in one embodiment, the steering wheel of the vehicle is connected to the second transmission member 20 of the transmission device 100, and the wheels of the vehicle are connected to the first transmission member 10 of the transmission device 100. The direction of the wheels can be changed by rotating the steering wheel, thereby controlling the driving direction of the vehicle.

[0050] When a clearance occurs between the first transmission member 10 and the second transmission member 20, the transmission device 100 may fail, making the steering wheel unable to control the direction of the vehicle, thereby causing a traffic accident. The compensation component 30 in the transmission device 100 of the present application can reduce or even eliminate the clearance, reduce the probability of abnormal noise in the transmission device 100, and improve the reliability of the transmission device 100.

[0051] It should be pointed out that the compensation component 30 of the present application can be applied not only to the transmission device 100, the steering system and the vehicle, but also to other devices or systems that need to transmit power, and can automatically compensate for the fitting clearance in the device or system that needs to transmit power. Compared with other compensation components, the compensation component 30 of the present application has a simple structure, and can reduce the fitting clearance in the device or system that needs to transmit power, thereby improving the reliability of the device or system.

[0052] See also Figure 3-Figure 7 ,in, Figure 3 A cross-sectional schematic diagram of a compensation component 30 provided in an embodiment of the present application is illustrated; Figure 4 A schematic structural diagram of a first gap compensation member 31 from a viewing angle provided in an embodiment of the present application is illustrated; Figure 5 A schematic structural diagram of a first gap compensation member 31 from another perspective provided in an embodiment of the present application is illustrated; Figure 6 A schematic structural diagram of a second gap compensation member 32 from a viewing angle provided in an embodiment of the present application is illustrated; Figure 7 A schematic structural diagram of a second gap compensation member 32 from another perspective provided in an embodiment of the present application is illustrated.

[0053] In one embodiment, the first gap compensating member 31 is provided with a first protruding portion 314, the second gap compensating member is provided with a second protruding portion 324, and the first elastic member 33 is stopped between the first protruding portion 314 and the second protruding portion 324. The first elastic member 33 drives the first protruding portion 314 and the second protruding portion 324 to move relative to each other to achieve relative rotation of the first gap compensating member 31 and the second gap compensating member 32.

[0054] In one embodiment, the guide groove includes a first guide groove 315 and a second guide groove 325 , the first gap compensation member 31 is provided with a first guide groove 315 , the second gap compensation member 32 is provided with a second guide groove 325 , and the first protrusion 314 is partially provided in the first guide groove 315 and partially accommodated in the second guide groove 325 .

[0055] In another embodiment, the second protrusion 324 is partially disposed in the second guide groove 325 and partially received in the first guide groove 315 .

[0056] In another preferred embodiment, Figure 3 As shown, the first protrusion 314 is partially disposed in the first guide groove 315 and partially received in the second guide groove 325, and the second protrusion 324 is partially disposed in the second guide groove 325 and partially received in the first guide groove 315 to limit the radial displacement between the first gap compensation member 31 and the second gap compensation member 32.

[0057] In the above embodiment, by extending the first protrusion 314 into the second guide groove 325 or the second protrusion 324 into the first guide groove 315, the first elastic member 33 in the guide groove can respectively resist the first protrusion 314 and the second protrusion 324, thereby realizing the relative rotation of the first gap compensation member 31 and the second gap compensation member 32.

[0058] In one embodiment, the first gap compensating member 31 and the second gap compensating member 32 are provided with adjustment holes, and the adjustment holes are used to adjust the initial compensation amount of the first gap compensating member 31 relative to the second gap compensating member 32 .

[0059] In one embodiment, the adjustment hole is provided at the center of the first gap compensating member 31 and the second gap compensating member 32, and the adjustment hole is provided as an inner hexagonal structure. The initial compensation amount of the first gap compensating member 31 relative to the second gap compensating member 32 can be adjusted by the external adjustment member cooperating with the adjustment hole, the cross-sectional shape of the adjustment member matches the cross-sectional shape of the adjustment hole, and when a part of the adjustment member is located in the adjustment hole of the first gap compensating member 31 and the other part of the adjustment member is not located in the adjustment hole of the second gap compensating member 32, the rotating adjustment member can drive the first gap compensating member 31 to rotate, and the other part is located in the adjustment hole of the second gap compensating member 32 to limit the relative rotation of the first gap compensating member 31 and the second gap compensating member 32.

[0060] In one embodiment, if Figure 3-Figure 7 As shown, the first gap compensating member 31 is provided with a first adjustment hole 317, and the second gap compensating member 32 is provided with a second adjustment hole 327. Both the first adjustment hole 317 and the second adjustment hole 327 are inner hexagonal structures, and the first adjustment hole 317 is connected with the second adjustment hole 327. In the process of adjusting the initial compensation amount of the first gap compensating member 31 and the second gap compensating member 32, part of the adjustment member is located in the second adjustment hole 327. When the adjustment member does not extend into the first adjustment hole 317, the adjustment member cooperates with the second adjustment hole 327, and the adjustment member is rotated to drive the second gap compensating member 32 to rotate, thereby changing the length of the compensation assembly 30, so as to adjust the initial compensation amount between the first gap compensating member 31 and the second gap compensating member 32. When the initial compensation amount is adjusted to the required initial compensation amount, the adjustment member is extended into the first adjustment hole 317 to limit the rotation between the first gap compensating member 31 and the second gap compensating member 32 and maintain the initial compensation amount between the first gap compensating member 31 and the second gap compensating member 32.

[0061] It can be understood that when the compensation amount between the first gap compensation member 31 and the second gap compensation member 32 is the initial compensation amount, the two ends of the compensation assembly 30 respectively abut against the shell 50 and the first transmission member 10. An excessively large initial compensation amount will result in a smaller fitting clearance between the first transmission member 10 and the second transmission member 20, thereby increasing the force between the first transmission member 10 and the second transmission member 20, and causing more severe wear between the first transmission member 10 and the second transmission member 20.

[0062] In another embodiment, part of the adjusting member is located in the first adjusting hole 317 , and controlling the adjusting member to extend into or not extend into the second adjusting hole 327 can also adjust the initial compensation amount between the first gap compensating member 31 and the second gap compensating member 32 .

[0063] In other embodiments, the cross-sections of the first adjustment hole 317 and the second adjustment hole 327 can be set to other non-circular shapes, so that the adjustment member can cooperate with the first adjustment hole 317 and the second adjustment hole 327 respectively to limit the first gap compensation member 31 and the second gap compensation member 32.

[0064] In one embodiment, the outer peripheral surface of the first gap compensation member 31 includes at least one first limiting protrusion 312 extending toward the second gap compensation member 32, and the outer peripheral surface of the second gap compensation member 32 includes at least one second limiting protrusion 322 extending toward the first gap compensation member 31. Along the circumference of the compensation component, the first limiting protrusion 312 and the second limiting protrusion 322 are arranged at intervals to cooperate in limiting the relative rotation angle of the first gap compensation member 31 and the second gap compensation member 32.

[0065] In one embodiment, if Figure 3-Figure 7 As shown, the outer circumferential surface of the first gap compensating member 31 is evenly distributed with three first limiting protrusions 312, and the outer circumferential surface of the second gap compensating member 32 is evenly distributed with three second limiting protrusions 322, each first limiting protrusion 312 is located between two second limiting protrusions 322, and each second limiting protrusion 322 is located between two first limiting protrusions 312, and the first limiting protrusion 312 and the second limiting protrusion 322 cooperate with each other to limit the relative rotation angle between the first gap compensating member 31 and the second gap compensating member 32, so as to avoid the relative rotation angle between the first gap compensating member 31 and the second gap compensating member 32 being too large, resulting in failure of the cooperation between the first helical surface 311 and the second helical surface 321.

[0066] In other embodiments, the number of the first limiting protrusions 312 and the second limiting protrusions 322 can be set based on the desired relative rotation angle between the first gap compensation member 31 and the second gap compensation member 32, for example. Figure 3-Figure 7In the embodiment, the three first limiting protrusions 312 and the three second limiting protrusions 322 cooperate to limit the relative rotation angle between the first gap compensation member 31 and the second gap compensation member 32 to be less than or equal to 120°.

[0067] In one embodiment, if Figure 4-Figure 7 As shown, a first limiting groove 313 is provided between the two first limiting protrusions 312. Along the circumferential direction of the compensation component 30, the two first limiting protrusions 312 are used for the inner walls at both ends of the first limiting groove. Part of the second limiting protrusion 322 is located in the first limiting groove 313, and is used to cooperate with the two first limiting protrusions 312 at both ends of the first limiting groove 313 to limit the relative rotation angle. Along the radial direction of the compensation component 30, the second limiting protrusion 322 abuts against the inner wall of the first limiting groove 313 to limit the radial displacement between the first gap compensation member 31 and the second gap compensation member 32.

[0068] Similarly, part of the first limiting protrusion 312 is located in the second limiting groove 323, and cooperates with the two second limiting protrusions 322 at both ends of the second limiting groove 323 to limit the relative rotation angle. Along the radial direction of the compensation component 30, the first limiting protrusion 312 abuts against the inner wall of the second limiting groove 323 to limit the radial displacement between the first gap compensation member 31 and the second gap compensation member 32.

[0069] In one embodiment, the first end surface of the first gap compensating member 31 facing the second gap compensating member 32 includes a first helical surface 311, and the first helical surface 311 extends helically around the rotation axis of the first gap compensating member 31, and the second end surface of the second gap compensating member 32 facing the first gap compensating member 31 includes a second helical surface 321, and the second helical surface 321 extends helically around the rotation axis of the second gap compensating member 32.

[0070] In one embodiment, the first end surface includes a plurality of first helical surfaces 311 uniformly distributed along the circumference of the first gap compensation member 31 , and the second end surface includes a plurality of second helical surfaces 321 uniformly distributed along the circumference of the second gap compensation member 32 .

[0071] In one embodiment, each first helical surface 311 and each second helical surface 321 extend at the same height around the rotation axis of the first gap compensating member 31, so that each first helical surface 311 of the first gap compensating member 31 can contact a second helical surface of the second gap compensating member 32 to maintain relative stability between the first gap compensating member 31 and the second gap compensating member 32. In a preferred embodiment, as Figure 4 and Figure 6As shown, the first gap compensation member 31 is evenly distributed with three first helical surfaces 311, and the second gap compensation member 32 is evenly distributed with three second helical surfaces 321. The first helical surfaces 311 and the second helical surfaces 321 cooperate one by one to make the first gap compensation member 31 and the second gap compensation member 32 abut against each other, and the axes of the multiple first helical surfaces 311 and the multiple second helical surfaces 321 coincide with each other. The mutual cooperation between the first helical surfaces 311 and the second helical surfaces 321 can avoid radial displacement during the relative rotation of the first gap compensation member 31 and the second gap compensation member 32, thereby ensuring the cooperation between the first gap compensation member 31 and the second gap compensation member 32.

[0072] It can be understood that along the circumference of the compensation component 30, the central angle of the first helical surface 311 and the central angle of the second helical surface 321 limit the maximum relative rotation angle of the first gap compensation member 31 and the second gap compensation member 32; along the arrangement direction of the first gap compensation member 31 and the second gap compensation member 32, the height of the first helical surface 311 and the height of the second helical surface 321 limit the maximum distance between the two opposite end faces of the first gap compensation member 31 and the second gap compensation member 32.

[0073] In one embodiment, the helix angles of each first helical surface 311 and each second helical surface 321 are smaller than the friction angle between the first gap compensating member 31 and the second gap compensating member 32. The first helical surface 311 and the second helical surface 321 fit each other, and the friction force between the first helical surface 311 and the second helical surface 321 and the elastic force of the first elastic member 33 work together to maintain the relative stability between the first gap compensating member 31 and the second gap compensating member 32.

[0074] In other embodiments, the lead angle, number and length of the first helical surface 311 or the second helical surface 321 can be set according to the required length of the compensation component 30 .

[0075] In one embodiment, two opposite ends of the first gap compensation member 31 and the second gap compensation member 32 are used to abut against the first transmission member 10 and the housing 50 respectively.

[0076] In one embodiment, if Figure 5 and Figure 7 As shown, the first gap compensation member 31 includes a first abutting surface 316 for abutting the first transmission member 10 , and the second gap compensation member 32 includes a second abutting surface 326 for abutting the housing 50 .

[0077] In some embodiments, the first elastic member 33 includes a compression spring or a tension spring, the compression spring includes a cylindrical helical spring or a compressible rubber round rod, and / or the tension spring includes a cylindrical helical spring.

[0078] In one embodiment, the compensation assembly 30 includes an elastic top block 34 , which is located between the first transmission member 10 and the first gap compensation member 31 , and the first gap compensation member 31 pushes the first transmission member 10 toward the second transmission member 20 through the elastic top block 34 .

[0079] In one embodiment, the elastic top block 34 includes a second elastic member 341 and a top block 342, and the two ends of the second elastic member 341 are respectively abutted against the first gap compensation member 31 and the top block 342, and the top block 342 is connected to the first transmission member 10, so that the first gap compensation member 31 can push the top block 342 to slide through the second elastic member 341, and the top block 342 pushes the first transmission member 10 toward the second transmission member.

[0080] In one embodiment, if Figure 1 and Figure 2 As shown, the compensation assembly 30 includes a first gap compensation member 31, a second elastic member 341 and a top block 342. The two sections of the second elastic member 341 are respectively connected to the first gap compensation member 31 and the top block 342. The first gap compensation member 31 is used to resist the second gap compensation member 32, and the top block 342 is used to resist the first transmission member 10.

[0081] It can be understood that the second gap compensating member 32 can change the pressure with the first gap compensating member 31 based on the distance from the first transmission member 10 to avoid excessive pressure between the compensation assembly 30 and the first transmission member 10. When the gap between the first transmission member 10 and the second transmission member 20 is less than or equal to the threshold, the friction between the first helical surface 311 and the second helical surface 321 is greater than the elastic force of the first elastic member 33, and the first gap compensating member 31 and the second gap compensating member 32 are relatively stationary, and the length of the compensation assembly 30 remains unchanged. When the gap between the first transmission member 10 and the second transmission member 20 is greater than the threshold, the distance between the first gap compensating member 31 and the top block 342 increases, so that the friction between the first helical surface 311 and the second helical surface 321 is reduced, and the first gap compensating member 31 and the second gap compensating member 32 can rotate relative to each other.

[0082] In one embodiment, at least one of the top block 342 and the first gap compensation member 31 is provided with a groove 318 , and the second elastic member 341 is at least partially received in the groove 318 .

[0083] In a preferred embodiment, Figure 1 As shown, a groove 318 is provided at one end of the first gap compensation member 31 away from the second gap compensation member 32, and the second elastic member 341 is a spring. One end of the second elastic member 341 extends into the groove 318 and abuts against the inner wall of the groove 318. The groove 318 can accommodate the second elastic member 341 and the top block 342 and guide the deformation of the second elastic member 341.

[0084] In some embodiments, the second elastic member 341 may be one or more of a wave spring, a butterfly spring, a round coil spring, or other elastic plastic material elements.

[0085] In one embodiment, the housing 50 includes a locking member 51 , which is threadedly connected to the housing body 52 , the axis of the thread is parallel to the length direction of the compensation component 30 , and the locking member 51 abuts against the end of the compensation component 30 to limit the length of the compensation component 30 .

[0086] In a preferred embodiment, Figure 1 As shown, the locking member 51 is located on the side of the compensation component 30 away from the rack. The locking member 51 is threadedly connected to the shell body 52. ​​The locking member 51 can move along the arrangement direction of the first gap compensation member 31 and the second gap compensation member 32, thereby resisting the compensation component 30. Adjusting the position of the locking member 51 can change the length of the compensation component 30, ensuring that the compensation component 30 can resist the first transmission member 10 in the initial state, which is convenient for adjusting and installing the initial state of the compensation component 30.

[0087] In one embodiment, if Figure 2 As shown, the transmission device 100 also includes an elastic gasket 40, which is located between the second gap compensation member 32 and the locking member 51, and is used to avoid wear caused by the relative movement of the second gap compensation member 32 and the locking member 51, and can also reduce the vibration, impact and abnormal noise caused by the relative movement of the internal components of the transmission device 100.

[0088] At the same time, the elastic gasket 40 can maintain the initial gap between the first transmission member 10 and the second transmission member 20. At the initial moment, the length of the compensation component 30 is adjusted to the minimum. At this time, by adjusting the screwing depth of the locking member 51, the compression amount of the elastic gasket 40 can be adjusted, so that there is an initial meshing gap between the first transmission member 10 and the second transmission member 20. When the distance between the first transmission member 10 and the compensation component 30 is small or the first transmission member 10 and the second transmission member 20 have a small matching fluctuation trend, the elastic gasket 40 can maintain the first transmission member 10 to maintain linear motion with a small fluctuation, thereby improving the overall performance of the transmission device 100.

[0089] It is understandable that the elastic gasket 40 can also be disposed between the first gap compensating member 31 and the housing 50, and between the first gap compensating member 31 and the top block 342, to reduce the vibration and impact caused by the relative movement of the internal components of the transmission device 100. When the first transmission member 10 is a rack and the second transmission member 20 is a gear, it can also suppress the abnormal noise caused by the response lag when the rack stroke is reversed.

[0090] In some embodiments, the resilient gasket 40 may include one or more of a rubber ring and an annular seal.

[0091] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A compensation component, characterized in that: include: a first elastic member; A first gap compensating member and a second gap compensating member; the first gap compensating member and the second gap compensating member are arranged opposite to each other, at least one of the two opposite end faces of the first gap compensating member and the second gap compensating member is provided with a guide groove, the guide groove extends along the circumference of the first gap compensating member or the second gap compensating member, the central angle of the guide groove is greater than or equal to 180°, and the first elastic member is arranged in the guide groove.

2. The compensation component according to claim 1, characterized in that: The first gap compensating member is provided with a first protruding portion, the second gap compensating member is provided with a second protruding portion, and the first elastic member is stopped between the first protruding portion and the second protruding portion.

3. The compensation component according to claim 2, characterized in that: The guide groove comprises a first guide groove and a second guide groove, the first gap compensation member is provided with the first guide groove, and the second gap compensation member is provided with the second guide groove, wherein: The first protrusion is partially disposed in the first guide groove and partially received in the second guide groove; and / or The second protrusion is partially disposed in the second guide groove and partially received in the first guide groove.

4. The compensation component according to any one of claims 1 to 3, characterized in that: The first gap compensating member and the second gap compensating member are provided with adjustment holes, and the adjustment holes are used to adjust the initial compensation amount of the first gap compensating member relative to the second gap compensating member.

5. The compensation component according to claim 4, characterized in that: The adjustment hole is arranged at the center position of the first gap compensation member and the second gap compensation member, and the adjustment hole is arranged as an inner hexagonal structure.

6. The compensation component according to any one of claims 1 to 3, characterized in that: The outer peripheral surface of the first gap compensating member includes at least one first limiting protrusion extending toward the second gap compensating member, and the outer peripheral surface of the second gap compensating member includes at least one second limiting protrusion extending toward the first gap compensating member. Along the circumference of the compensation component, the first limiting protrusion and the second limiting protrusion are arranged at intervals to cooperate to limit the relative rotation angle of the first gap compensating member and the second gap compensating member.

7. The compensation component according to any one of claims 1 to 3, characterized in that: The first end surface of the first gap compensator toward the second gap compensator includes a first helical surface, and the first helical surface extends helically around the rotation axis of the first gap compensator. The second end surface of the second gap compensator toward the first gap compensator includes a second helical surface, and the second helical surface extends helically around the rotation axis of the second gap compensator.

8. The compensation component according to claim 7, characterized in that: The first end surface includes a plurality of first helical surfaces, which are evenly distributed along the circumference of the first gap compensation member, and the second end surface includes a plurality of second helical surfaces, which are evenly distributed along the circumference of the second gap compensation member.

9. The compensation component according to claim 8, characterized in that: The first helical surfaces and the second helical surfaces have the same height when they are spirally extended around the rotation axis of the first gap compensation member.

10. The compensation assembly according to claim 8, characterized in that: Along the circumference of the compensation assembly, the helix angle of each of the first helical surfaces and each of the second helical surfaces is less than or equal to the friction angle between the first gap compensation member and the second gap compensation member.

11. A transmission device, characterized in that: It includes a shell, a first transmission member, a second transmission member and a compensation component as described in any one of claims 1 to 10, wherein the first transmission member, the second transmission member and the compensation component are all located in the shell, the first transmission member is transmission-connected to the second transmission member, and the compensation component is located between the first transmission member and the shell.

12. The transmission device according to claim 11, characterized in that: The compensation component includes an elastic top block, and the elastic top block is located between the first transmission member and the first gap compensation member. The first gap compensation member pushes the first transmission member toward the second transmission member through the elastic top block.

13. The transmission device according to claim 12, characterized in that: The elastic top block includes a top block and a second elastic member, two ends of the second elastic member respectively abut against the first gap compensation member and the top block, and the top block is connected to the first transmission member so that the first gap compensation member can push the top block to slide through the second elastic member, and the top block pushes the first transmission member toward the second transmission member.

14. The transmission device according to claim 13, characterized in that: At least one of the top block and the first gap compensation member is provided with a groove, and the second elastic member is at least partially received in the groove.

15. The transmission device according to claim 14, characterized in that: The first gap compensating member can move toward the top block until it contacts the top block to limit the compression amount of the second elastic member.

16. A steering system, characterized in that: comprising a steering input device, a steering actuator, a first transmission member, a second transmission member, and a compensation assembly as described in any one of claims 1 to 10, wherein the steering input device is in transmission connection with the second transmission member, the steering actuator is in transmission connection with the first transmission member, and the compensation assembly is used to compensate for the gap between the first transmission member and the second transmission member; or It comprises a steering input device, a steering actuator, and a transmission device as described in any one of claims 11 to 15, wherein the steering input device is transmission-connected to a second transmission member of the transmission device, and the steering actuator is transmission-connected to a first transmission member of the transmission device.

17. A vehicle, characterized in that: It comprises a compensation component as described in any one of claims 1 to 10, or a transmission device as described in any one of claims 11 to 15, or a steering system as described in claim 16.

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