Clutch device of all-terrain unmanned vehicle
By designing a fast switching shaft head lock clutch device, the problem of resistance generated by the all-terrain vehicle during being traction is solved, and the effective meshing and clutch between the walking device and the transmission device is achieved, which improves the traction efficiency and adaptability.
Patent Information
- Application Number
- CN202420668342.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-02
AI Technical Summary
During the traction process, existing all-terrain vehicles use a fixed connection between the walking device and the transmission device, which causes resistance to occur in emergencies or rapid moving scenarios, affecting efficiency.
A fast switching shaft head lock clutch device is designed so that the walking device of the all-terrain vehicle and the transmission device can effectively realize the engagement and clutch. Through the cooperation of the rotary sleeve, the lock sleeve and the linkage assembly, the lock sleeve can be realized. Meshing and separation of the cog groove and spline trunking block.
It improves the traction efficiency of the all-terrain vehicle in emergency situations or fast moving scenarios, and can easily achieve higher speeds when being towed, increasing the adaptability and versatility in different environments and terrain.
Smart Images
Figure CN222436884U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of transmission devices, and in particular relates to a clutch device for an all-terrain unmanned vehicle. Background Art
[0002] An all-terrain vehicle is a vehicle that can travel on any terrain. When the all-terrain vehicle is traveling, the power generated by the engine or motor is transmitted to the running device through the transmission device, so that the wheels of the all-terrain vehicle can rotate. At present, all-terrain vehicles need to be towed to move in specific environments or emergency situations, which is particularly important when moving or transferring all-terrain vehicles quickly. However, since the running devices (such as tires and wheels) and transmission devices (such as chains and gears) of existing all-terrain vehicles are fixedly connected, when the all-terrain vehicle is towed, the tires will drive the transmission device to rotate together, which will cause resistance in the process of towing the all-terrain vehicle, affecting its efficiency in emergency situations or fast-moving scenarios. Utility Model Content
[0003] In view of the above-mentioned problems, the utility model discloses a clutch device for an all-terrain unmanned vehicle. By designing a fast-switching axle head lock clutch device, the running device and the transmission device of the all-terrain vehicle can be effectively engaged and clutched, thereby increasing its efficiency in emergency situations or fast-moving scenarios.
[0004] The specific technical solutions are as follows:
[0005] A clutch device for an all-terrain unmanned vehicle comprises a device body, the device body comprises an output shaft, a half-shaft flange, a clutch flange, a spline shaft and a spline sleeve, the spline shaft is arranged at one end of the output shaft, and the half-shaft flange is rotatably arranged on the output shaft, and a wheel hub is fixedly arranged between the half-shaft flange and the clutch flange; a mounting sleeve is arranged at the center of one end of the clutch flange, a spline sleeve sleeved with the spline shaft and a clutch mechanism for engaging or disengaging the spline sleeve are arranged in the mounting sleeve, the clutch mechanism comprises a rotating sleeve, a locking sleeve and a linkage assembly, and the outer side of the locking sleeve is transversely slidably arranged in the mounting sleeve through a guide structure The inner wall of the locking sleeve is provided with a plurality of tooth grooves along the axial direction, and the plurality of tooth grooves are arranged and distributed in the circumferential direction, and a circle of tooth blocks matched with the tooth grooves are arranged and distributed in the circumferential direction on the outer wall of one end of the spline sleeve; the rotating sleeve is arranged on the inner side of the locking sleeve, and the rotating sleeve and the locking sleeve are connected through a linkage component, and a thread groove that is threadedly matched with the linkage component is provided on the outer wall of the rotating sleeve, and a knob seat is provided at one end of the rotating sleeve, and the rotating sleeve is rotated by rotating the knob seat so that the thread groove is threadedly matched with the linkage component and drives the locking sleeve to move horizontally in the mounting sleeve seat, so as to realize the meshing and separation of the locking sleeve tooth groove and the spline sleeve tooth block, thereby realizing the linkage and separation of the output shaft and the wheel hub.
[0006] Furthermore, the guide structure includes a plurality of guide shafts arranged on the inner wall of the mounting sleeve, a plurality of slots for accommodating the guide shafts are circumferentially distributed on the inner wall of the mounting sleeve, and guide grooves corresponding to the guide shafts one by one are opened on the outer wall of the locking sleeve to realize a lateral sliding connection between the locking sleeve and the mounting sleeve.
[0007] Furthermore, the linkage assembly includes a movable sleeve, a retaining ring and a positioning ring, the retaining ring is arranged at one end of the inner wall of the locking sleeve, and the inner wall of the locking sleeve is provided with a groove for positioning the retaining ring at one end, and the inner wall of the locking sleeve is provided with a step groove near one end of the tooth groove, and the positioning ring is placed on the step groove; the movable sleeve is arranged on the outside of the rotating sleeve, and the inner wall of the movable sleeve is provided with a guide block matched with the width of the thread groove, and the guide block is embedded in the thread groove, one end of the movable sleeve is bent outward and is respectively used to abut against and limit the retaining ring, and the other end of the movable sleeve is bent outward and is provided with a limiting plate for abutting against the positioning ring, so that by rotating the rotating sleeve, the movable sleeve is laterally translated under the cooperation of the guide block and the thread groove and drives the locking sleeve to move laterally through the limiting portion and the limiting plate, so that the locking sleeve is engaged or separated with the tooth block of the spline sleeve through the tooth groove.
[0008] Furthermore, a mounting groove is opened in the center of one side of the half-shaft flange, a bearing is arranged in the mounting groove, and a baffle for limiting the bearing is provided at one end of the mounting groove. The bearing sleeve is arranged on the output shaft to realize the rotational connection between the half-shaft flange and the output shaft.
[0009] Furthermore, a circle of convex rings is provided on the outer wall of the knob seat, and a limiting groove for limiting one side of the convex ring is provided at one end of the inner wall of the mounting sleeve seat, and a circle of grooves is provided on the inner wall of the mounting sleeve seat, and a retaining spring is provided in the groove. The retaining spring presses and limits the other side of the convex ring, thereby realizing the limitation of the lateral movement of the rotating sleeve by the mounting sleeve seat.
[0010] Furthermore, a protrusion is provided on the outer wall of the knob seat, and two limiting blocks for limiting the protrusion are provided on both sides of the inner wall of the mounting sleeve seat, so that the mounting sleeve seat limits the rotation angle of the knob seat.
[0011] The beneficial effects of the utility model are embodied in:
[0012] The utility model adopts an innovative clutch mechanism design and designs an axle head lock clutch device, so that the walking device and the transmission device of the all-terrain vehicle can effectively engage and clutch, thereby improving the traction efficiency of the robot. The use of a fast-switching axle head lock clutch device can enable the all-terrain vehicle to easily reach a higher speed when being towed, thereby increasing its efficiency in emergency situations or fast-moving scenarios. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1It is a structural schematic diagram of the utility model.
[0014] Figure 2 It is a side view of the utility model.
[0015] Figure 3 It is the front view of the utility model.
[0016] Figure 4 It is a side sectional view of the utility model.
[0017] Figure 5 It is a structural schematic diagram of the clutch mechanism in the utility model.
[0018] Figure 6 It is a schematic diagram of the structure between the rotating seat and the mounting sleeve in the utility model.
[0019] Figure 7 It is a structural schematic diagram of the clutch flange in the utility model.
[0020] Figure 8 It is a structural schematic diagram of the locking sleeve in the utility model.
[0021] Fig. 9 It is a structural schematic diagram of the spline sleeve in the utility model.
[0022] Fig.10 It is a structural schematic diagram of the rotating sleeve in the utility model.
[0023] Fig.11 It is a structural schematic diagram of the movable sleeve in the utility model.
[0024] Output shaft 1, half-shaft flange 2, mounting groove 21, bearing 22, baffle 23, clutch flange 3, slot hole 31, guide shaft 32, mounting sleeve seat 4, limit groove 42, groove 43, retaining ring 431, limit block 44, spline shaft 5, spline sleeve 6, tooth block 61, rotating sleeve 7, threaded groove 70, knob seat 71, protrusion 711, protruding ring 712, locking sleeve 8, tooth groove 81, guide groove 82, retaining groove 83, step groove 84, linkage assembly 9, movable sleeve 91, guide block 911, limit part 912, limit plate 913, retaining ring 92, positioning ring 93, wheel hub 10. DETAILED DESCRIPTION
[0025] In order to make the technical solution of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the utility model and any solution derived from conventional reasoning shall fall within the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.
[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0027] like Figure 1-4 As shown, this embodiment provides a clutch device for an all-terrain unmanned vehicle, including a device body, the device body including an output shaft 1, a half-shaft flange 2, a clutch flange 3, a spline shaft 5 and a spline sleeve 6, a spline shaft 5 is arranged at one end of the output shaft 1, and the half-shaft flange 2 is rotatably arranged on the output shaft 1, and a wheel hub 10 is clamped and fixed between the half-shaft flange 2 and the clutch flange 3 by fasteners. A mounting sleeve 4 is provided at the center of one end of the clutch flange 3. The mounting sleeve 4 is open at one end away from the half-shaft flange 2, and the spline shaft 5 extends to the center of the mounting sleeve. A spline sleeve 6 sleeved with the spline shaft 5 and a clutch mechanism for engaging or disengaging the spline sleeve 6 are provided in the mounting sleeve 4. The outer side of one end of the spline sleeve 6 is connected to the inner wall of the mounting sleeve 4 through a gasket; the clutch mechanism includes a rotating sleeve 7, a locking sleeve 8 and a linkage assembly 9. The outer side of the locking sleeve 8 is laterally slidably arranged in the mounting sleeve 4 through a guide structure. A plurality of tooth grooves 81 are provided on the inner wall of the locking sleeve 8 along the axial direction. The plurality of tooth grooves 81 are arranged circumferentially, and the spline A circle of protrusions is set on the outer wall of one end of the sleeve 6, and a circle of tooth blocks 61 that are matched with tooth grooves 81 are arranged along the circumferential direction; a rotating sleeve 7 is set on the inner side of the locking sleeve 8, and the rotating sleeve 7 and the locking sleeve 8 are connected through a linkage component 9. A thread groove 70 that is threadedly matched with the linkage component 9 is set on the outer wall of the rotating sleeve 7, and a knob seat 71 is set at one end of the rotating sleeve 7. The rotating sleeve 7 is rotated by rotating the knob seat 71 so that the thread groove 70 is threadedly matched with the linkage component 9 and drives the locking sleeve 8 to move horizontally in the mounting sleeve seat 4, so as to realize the meshing and separation of the tooth grooves 81 of the locking sleeve 8 and the tooth blocks 61 of the spline sleeve 6, thereby realizing the linkage and separation of the output shaft 1 and the wheel hub.
[0028] In this embodiment, the guide structure includes a plurality of guide shafts 32 arranged on the inner wall of the mounting sleeve 4, a plurality of slots 31 for accommodating the guide shafts 32 are circumferentially distributed on the inner wall of the mounting sleeve 4, and a guide groove 82 corresponding to the guide shafts 32 is opened on the outer wall of the locking sleeve 8. The guide shaft 32 cooperates with the guide groove 82 to realize a lateral sliding connection between the locking sleeve 8 and the mounting sleeve 4.
[0029] In this embodiment, the linkage assembly 9 includes a movable sleeve 91, a retaining ring 92 and a positioning ring 93. The retaining ring is arranged at the end of the inner wall of the locking sleeve 8 away from the tooth groove, and a groove 83 for positioning the retaining ring 92 is provided at one end of the inner wall of the locking sleeve 8. A step groove 84 is provided at one end of the inner wall of the locking sleeve close to the tooth groove, and the positioning ring 93 is placed on the step groove; the movable sleeve 91 is sleeved on the outside of the rotating sleeve 7, and a guide block 911 adapted to the width of the thread groove 70 is provided on the inner wall of the movable sleeve 91, and the guide block 911 is embedded in the device Placed in the thread groove 70, one end of the movable sleeve 91 is bent outward and is used to abut against the limiting portion 912 for limiting the retaining ring 92, and the other end of the movable sleeve is bent outward and is provided with a limiting plate 913 for abutting against the positioning ring, so that by rotating the rotating sleeve 7, the movable sleeve 91 is laterally translated under the cooperation of the guide block 911 and the thread groove 70 and drives the locking sleeve 8 to move laterally through the limiting portion 912 and the limiting plate 913, so that the locking sleeve 8 is engaged or separated with the tooth block 61 of the spline sleeve 6 through the tooth groove 81.
[0030] In this embodiment, in order to ensure smooth meshing of the tooth groove 81 and the tooth block 61 , both sides of one end of the tooth block 61 are chamfered, and both sides of one end of the tooth groove 81 are expanded to facilitate mutual engagement of the tooth block 61 and the tooth groove 81 .
[0031] In this embodiment, a mounting groove 21 is opened in the center of one side of the half-shaft flange 2, a bearing 22 is arranged in the mounting groove 21, and a baffle 23 for limiting the bearing 22 is provided at one end of the mounting groove 21. The bearing 22 is sleeved on the output shaft 1 to realize the rotational connection between the half-shaft flange 2 and the output shaft 1.
[0032] In this embodiment, a circle of convex ring 712 is provided on the outer wall of the knob seat 71, and a limiting groove 42 for limiting one side of the convex ring 712 is provided at one end of the inner wall of the mounting sleeve 4, and a circle of grooves 43 is provided on the inner wall of the mounting sleeve 4, and a retaining spring 431 is embedded in the groove 43. The retaining spring 431 presses and limits the other side of the convex ring 712, thereby realizing the limitation of the lateral movement of the rotating sleeve 7 by the mounting sleeve 4.
[0033] In this embodiment, a protrusion 711 is provided on the outer wall of the knob seat 71, and two limit blocks 44 for limiting the protrusion 711 are provided on both sides of the inner wall of the mounting sleeve 4 located at the knob seat 71, so that the mounting sleeve limits the rotation angle of the knob seat 71. When the knob seat 71 rotates and causes the protrusion 711 to rotate to the positions of the two limit blocks 44 respectively, the locking sleeve 8 and the spline sleeve 6 correspond to the two states of engagement and separation respectively.
[0034] The utility model rotates the rotating sleeve 7 by rotating the knob seat 71 to make the thread groove 70 and the linkage component 9 threadedly cooperate and drive the locking sleeve 8 to move laterally in the mounting sleeve seat 4, so as to achieve the engagement and separation of the tooth groove 81 of the locking sleeve 8 and the tooth block 61 of the spline sleeve 6, thereby realizing the rapid switching of the shaft head lock clutch device, improving the adaptability and versatility of the all-terrain vehicle in different environments, especially when dealing with different terrains and operating modes, increasing the efficiency of the all-terrain vehicle being towed in emergency situations or fast-moving scenarios.
[0035] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A clutch device for an all-terrain unmanned vehicle, comprising a device body, characterized in that: The device body comprises an output shaft (1), a half-shaft flange (2), a clutch flange (3), a spline shaft (5) and a spline sleeve (6); the spline shaft (5) is arranged at one end of the output shaft (1), and the half-shaft flange (2) is rotatably arranged on the output shaft (1); a wheel hub (10) is fixedly arranged between the half-shaft flange (2) and the clutch flange (3); a mounting sleeve (4) is arranged at the center of one end of the clutch flange (3); a spline sleeve (6) sleeved with the spline shaft (5) and a clutch mechanism for engaging or disengaging the spline sleeve (6) are arranged in the mounting sleeve (4); the clutch mechanism comprises a rotating sleeve (7), a locking sleeve (8) and a linkage assembly (9); the outer side of the locking sleeve (8) is transversely slidably arranged in the mounting sleeve (4) through a guide structure; the inner wall of the locking sleeve (8) is provided with a plurality of tooth grooves ( 81), a plurality of tooth grooves (81) are arranged and distributed along the circumferential direction, and a circle of tooth blocks (61) matched with the tooth grooves (81) are arranged and distributed along the circumferential direction on the outer wall of one end of the spline sleeve (6); the rotating sleeve (7) is arranged on the inner side of the locking sleeve (8), the rotating sleeve (7) and the locking sleeve (8) are connected through a linkage assembly (9), a thread groove (70) threadedly matched with the linkage assembly (9) is arranged on the outer wall of the rotating sleeve (7), and a knob seat (71) is arranged at one end of the rotating sleeve (7), and the rotating sleeve (7) is rotated by the knob seat (71) so that the thread groove (70) and the linkage assembly (9) threadedly match and drive the locking sleeve (8) to move horizontally in the mounting sleeve seat (4), so as to realize the meshing and separation of the tooth grooves (81) of the locking sleeve (8) and the tooth blocks (61) of the spline sleeve (6), thereby realizing the linkage and separation of the output shaft (1) and the wheel hub.
2. The clutch device of an all-terrain unmanned vehicle according to claim 1, characterized in that: The guide structure comprises a plurality of guide shafts (32) arranged on the inner wall of the mounting sleeve (4); a plurality of slots (31) for accommodating the guide shafts (32) are circumferentially distributed on the inner wall of the mounting sleeve (4); and guide grooves (82) corresponding to the guide shafts (32) are arranged on the outer wall of the locking sleeve (8), so as to realize a transverse sliding connection between the locking sleeve (8) and the mounting sleeve (4).
3. The clutch device of an all-terrain unmanned vehicle according to claim 1, characterized in that: The linkage assembly (9) comprises a movable sleeve (91), a retaining ring (92) and a positioning ring (93); the retaining ring is arranged at one end of the inner wall of the locking sleeve (8); and a groove (83) for positioning the retaining ring (92) is provided at one end of the inner wall of the locking sleeve (8); a step groove (84) is provided at one end of the inner wall of the locking sleeve near the tooth groove, and the positioning ring (93) is placed on the step groove; the movable sleeve (91) is sleeved on the outer side of the rotating sleeve (7); and a guide block (911) adapted to the width of the thread groove (70) is provided on the inner wall of the movable sleeve (91); and the guide block (911) is embedded in the thread groove. In (70), one end of the movable sleeve (91) is bent outward and is respectively used to abut against a limiting portion (912) for limiting the retaining ring (92), and the other end of the movable sleeve is bent outward and is provided with a limiting plate (913) for abutting against the positioning ring, so that by rotating the rotating sleeve (7), the movable sleeve (91) is laterally translated in cooperation with the guide block (911) and the threaded groove (70) and drives the locking sleeve (8) to move laterally through the limiting portion (912) and the limiting plate (913), so that the locking sleeve (8) is engaged or separated with the tooth block (61) of the spline sleeve (6) through the tooth groove (81).
4. The clutch device of an all-terrain unmanned vehicle according to claim 1, characterized in that: A mounting groove (21) is provided at the center of one side of the half-shaft flange (2), a bearing (22) is arranged in the mounting groove (21), and a baffle (23) for limiting the bearing (22) is provided at one end of the mounting groove (21), and the bearing (22) is sleeved on the output shaft (1) to realize the rotational connection between the half-shaft flange (2) and the output shaft (1).
5. The clutch device of an all-terrain unmanned vehicle according to claim 1, characterized in that: A circle of convex rings (712) is provided on the outer wall of the knob seat (71), and a limiting groove (42) for limiting one side of the convex ring (712) is provided on one end of the inner wall of the mounting sleeve seat (4), and a circle of grooves (43) is provided on the inner wall of the mounting sleeve seat (4), and a retaining spring (431) is provided in the groove (43), and the retaining spring (431) presses and limits the other side of the convex ring (712), so as to realize the limiting of the lateral movement of the rotating sleeve (7) by the mounting sleeve seat (4).
6. The clutch device of an all-terrain unmanned vehicle as claimed in claim 5, characterized in that: A protrusion (711) is provided on the outer wall of the knob seat (71), and two limiting blocks (44) for limiting the protrusion (711) are provided on both sides of the inner wall of the mounting sleeve seat (4), so that the mounting sleeve seat (4) limits the rotation angle of the knob seat (71).