CN217864336U - Angle module structure and vehicle - Google Patents

Abstract

The utility model belongs to the technical field of vehicle engineering, the utility model discloses angle module structure and vehicle, this angle module structure includes the wheel, turn to subassembly and suspension subassembly, turn to the unit connection in the wheel, the center of rotation that turns to the relative wheel of subassembly is L1, it can drive the wheel and use L1 to rotate as the central line to turn to the subassembly, thereby realize the horizontal travel of vehicle, the slant is gone, the function that turns to in situ, the suspension subassembly includes the support, first linking arm and second linking arm, the support mounting is on turning to the subassembly, first linking arm and second linking arm all are used for with the body coupling, the isometric and parallel each other of first linking arm and second linking arm form a parallelogram link mechanism, make the wheel guarantee that center of rotation L1 is coaxial with the plumb line of wheel at the in-process of beating from top to bottom, the plumb line perpendicular to ground that the wheel is passed through all the time to the center of rotation L1, thereby guarantee that the ground point of wheel is unchangeable all the time, the moment of turning to under the unchangeable circumstances of load is unchangeable.

Description

Angle module structure and vehicle

Technical Field

The utility model relates to a vehicle engineering technical field especially relates to angle module structure and vehicle.

Background

Automobiles have become one of the indispensable vehicles in people's daily life, and corner modules have taken an important position in the automobile industry. The angle module is an assembly integrating driving, braking, suspension and steering integrated modules, a large number of mechanical transmission parts can be reduced, the arrangement space of the whole automobile is optimized, each wheel can independently rotate, and then the automobile can be more flexibly steered and moved.

At present, an angle module among the prior art includes wheel, suspended structure, turns to structure and driving motor, and wherein, driving motor sets up on the wheel, turns to the lower automobile body of structural installation at the car, and suspended structure links to each other the structure that turns to and the wheel, and the spring among the suspended structure can play the effect of buffering. However, in the angle module, when the wheel jumps and turns with the suspension, the envelope formed by the space positions occupied by the tire is large, and meanwhile, the vertical jumping freedom degree of the upper swing arm and the lower swing arm adopted as the wheel can generate lateral displacement, so that the occupied lateral space is large, the lateral rigidity is weak, and the grounding point of the wheel is changed all the time.

Therefore, there is a need for a corner module structure and a vehicle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angle module structure, the wheel can 360 degrees rotations, and the motion envelope is little, and the ground point that the wheel can be guaranteed to the in-process of wheel beating from top to bottom simultaneously is unchangeable all the time, and the turning resistance moment is unchangeable under the unchangeable condition of load to vertical, the side direction that can guarantee the vehicle have sufficient rigidity intensity.

In order to solve the above problems existing in the prior art, the utility model adopts the following technical scheme:

a corner module structure comprising:

a wheel;

the steering assembly is connected to the wheels, the rotation center line of the steering assembly relative to the wheels is L1, and the steering assembly can drive the wheels to rotate by taking the L1 as the center line;

suspension subassembly, including the support, rotate connect in the first linking arm of support with rotate connect in the second linking arm of support, the support mounting turn to on the subassembly, first linking arm with the second linking arm all is used for being connected with the automobile body, along first direction, first linking arm with the hookup location of automobile body with the second linking arm with the hookup location interval of automobile body sets up, first linking arm with second linking arm parallel arrangement and length equal, L1 with first direction parallel arrangement, and L1 all the time with the plumb line of wheel is coaxial.

Preferably, the second linking arm includes first body of rod, the second body of rod and connecting piece, the connecting piece connect in first body of rod with between the second body of rod, first linking arm with first body of rod is parallel and follows first direction is located the coplanar, first body of rod with the second body of rod is parallel and lies in the coplanar along the second direction, first direction with the second direction sets up perpendicularly.

Preferably, the first rod body, the second rod body and the connecting piece are integrally arranged.

Preferably, the support includes the fixing base, protruding locating the first connecting portion of fixing base and protruding locating the second connecting portion of first connecting portion, the fixing base install in turn to the subassembly, just the fixing base with first connecting arm is connected, follows the second direction, first connecting portion with second connecting portion interval sets up, first connecting portion connect in the first body of rod, second connecting portion connect in the second body of rod.

Preferably, the corner module structure further includes a shock absorber, one end of the shock absorber is connected to the second connecting arm, and the other end of the shock absorber is used for being connected to the vehicle body.

Preferably, the steering assembly includes steering motor, pivot and steering arm, steering motor is used for the drive the pivot is rotated, pivot fixed connection in the steering arm, the steering arm is installed on the wheel, the steering arm can drive under steering motor's the effect the wheel uses L1 to rotate as the central line.

Preferably, the center of rotation of the steering arm is disposed coaxially with L1.

Preferably, the corner module structure further comprises a brake assembly and a hub motor, the brake assembly comprises a brake disc and a brake caliper, the hub motor is mounted on the wheel and is used for driving the wheel to rotate, the brake disc is fixedly connected to the wheel, the brake caliper is fixedly connected to the steering arm, and the brake caliper can clamp the brake disc to brake the wheel.

Preferably, the angle module structure further includes a mounting base and a sensor, the mounting base is mounted on the steering assembly, the sensor is disposed on the mounting base, and the sensor is configured to detect an angle at which the wheel rotates with L1 as a center line.

To achieve the above object, the present invention also provides a vehicle including the above corner module structure.

The utility model has the advantages that:

the utility model provides an angle module structure turns to the subassembly setting in the top of wheel and is connected to the wheel, and the wheel rotates in succession round the rotation center line L1 who turns to the subassembly under the effect that turns to the subassembly, and the wheel can 360 degrees rotations promptly to realize the function that transversely traveles, the slant of vehicle traveles, pivot turned to, the motion envelope is little, is fit for the motorcycle type that the size space is little. The support mounting is on turning to the subassembly, the one end of first linking arm and second linking arm all is used for with the body coupling, the other end all is connected with the support rotation, realize the vertical motion of wheel and the decoupling zero of turning to the motion, the turning to the motion envelope of the wheel that significantly reduces, first linking arm and second linking arm isometric and mutually parallel form a parallelogram link mechanism, make the wheel guarantee that rotation center line L1 is coaxial with the plumb line of wheel all the time at the in-process of vertical runout, promptly rotation center line L1 passes through the plumb line perpendicular to ground of wheel all the time, thereby guarantee that the ground point of wheel is unchangeable all the time, turn to the moment unchangeable under the unchangeable circumstances of load, and guarantee that the vertical of vehicle, vertically, the side direction has sufficient rigidity.

The utility model provides a vehicle, including foretell angle module structure, this angle module structure installs on the vehicle, and the in-process of beating from top to bottom at the wheel remains the ground point unchangeable throughout, and the steering resistance moment is unchangeable, simultaneously, can realize that the wheel revolutes center line L1 and rotates with 360 degrees to realize the function of traveling of horizontal, slant, pivot steering of vehicle.

Drawings

Fig. 1 is a first schematic structural diagram of a corner module structure in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a corner module structure in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first connecting arm according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second connecting arm according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a bracket according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a shock absorber according to an embodiment of the present invention.

Reference numerals are as follows:

1. a wheel;

2. a steering assembly; 21. a steering motor; 22. a steering arm;

3. a suspension assembly; 31. a support; 311. a fixed seat; 312. a first connection portion; 313. a second connecting portion; 32. a first connecting arm; 33. a second connecting arm; 331. a first rod body; 332. a second rod body; 333. a connecting member;

4. a shock absorber;

5. a brake assembly; 51. a brake disc; 52. a brake caliper;

6. a mounting seat;

7. a sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The existing angle module comprises wheels, a suspension structure, a steering structure and a driving motor, wherein the driving motor is arranged on the wheels, the steering structure is arranged on a lower vehicle body of a vehicle, the suspension structure is connected with the wheels, and springs in the suspension structure can play a role in buffering. However, in the angle module, when the wheel jumps and turns with the suspension, the envelope formed by the space position occupied by the tire is large, and meanwhile, the upper swing arm and the lower swing arm adopted as the degree of freedom of the vertical jumping of the wheel can generate lateral displacement, so that the occupied lateral space is large, the lateral rigidity is weak, and the grounding point of the wheel is always changed. To this, the angle module structure that this embodiment provided, the wheel can 360 degrees rotations, and the motion envelope is little, and the wheel can guarantee the earth point of wheel invariable all the time at the in-process of vertical runout simultaneously, and the turning resistance moment is unchangeable under the unchangeable condition of load to vertical, the side direction that can guarantee the vehicle have sufficient rigidity intensity.

As shown in fig. 1 to 6, in the present embodiment, an angle module structure includes a wheel 1, a steering assembly 2 and a suspension assembly 3, wherein the steering assembly 2 is connected to the wheel 1, a rotation center line of the steering assembly 2 relative to the wheel 1 is L1, and the steering assembly 2 can drive the wheel 1 to rotate with the L1 as the center line. Suspension subassembly 3 includes support 31, rotate to connect in the first linking arm 32 of support 31 and rotate to connect in the second linking arm 33 of support 31, support 31 installs on turning to subassembly 2, first linking arm 32 and second linking arm 33 all are used for being connected with the automobile body, along first direction, the hookup location of first linking arm 32 and automobile body sets up with the hookup location interval of second linking arm 33 and automobile body, first linking arm 32 equals with second linking arm 33 parallel arrangement and length, L1 and first direction parallel arrangement, and L1 is coaxial with the plumb line of wheel 1 all the time. Specifically, the first direction is the AB direction, and wheel 1 is used for driving the car and traveles on the road, and the plumb line of wheel 1 is perpendicular to ground, turns to subassembly 2 and sets up in the top of wheel 1, and wheel 1 rotates around turning center line L1 of turning to subassembly 2 under the effect that turns to subassembly 2 is continuous, and wheel 1 can 360 degrees rotations promptly to realize the function that the car transversely traveles, the slant traveles, pivot turned to, the motion envelope is little, is fit for the motorcycle type that the size space is little. The support 31 is fixed on the steering component 2, one ends of the first connecting arm 32 and the second connecting arm 33 are connected with the automobile body through pin shafts, the other ends of the first connecting arm 32 and the second connecting arm 33 are connected with the support 31 through pin shafts in a rotating mode, decoupling of vertical movement and steering movement of the wheel 1 is achieved, steering movement enveloping of the wheel 1 is greatly reduced, the first connecting arm 32 and the second connecting arm 33 are equal in length and are parallel to each other to form a parallelogram link mechanism, the rotating center line L1 and a plumb line of the wheel 1 are ensured to be coaxial all the time in the up-and-down jumping process of the wheel 1, namely the rotating center line L1 is perpendicular to the ground all the time through the plumb line of the wheel 1, the grounding point of the wheel 1 is ensured to be unchanged all the time, the steering resistance moment is unchanged under the load condition, and enough rigidity strength of the vertical direction, the longitudinal direction and the lateral direction of the automobile is ensured. In addition to the suspension assembly 3 mounted on one side of the wheel 1 in the front-rear direction of the vehicle body in the present embodiment, in other embodiments, the suspension assembly 3 may be mounted on one side of the wheel 1 in the left-right direction of the vehicle body, i.e., mounted laterally or obliquely on one side of the wheel 1.

Further, with continued reference to fig. 1-6, the second connecting arm 33 includes a first rod 331, a second rod 332, and a connecting member 333, the connecting member 333 is connected between the first rod 331 and the second rod 332, the first connecting arm 32 is parallel to the first rod 331 and is located in the same plane along a first direction, the first rod 331 and the second rod 332 are parallel and are located in the same plane along a second direction, and the first direction and the second direction are perpendicular. Specifically, the second direction is the CD direction, the first rod body 331, the second rod body 332 and the first connecting arm 32 are parallel to each other two by two, and the length of the first rod body 331, the length of the second rod body 332 and the length of the first connecting arm 32 are equal, so that the suspension assembly 3 forms a parallelogram link mechanism, the grounding point of the wheel 1 in the up-and-down jumping process is ensured to be constant all the time, and the steering resistance moment of the automobile under a certain working condition is ensured to be constant.

Further, with reference to fig. 1 to 6, the first rod 331, the second rod 332 and the connecting member 333 are integrally arranged, so that the structural strength of the second connecting arm 33 is ensured, the elastic expansion and contraction of the shock absorber 4 can be well matched, and the wheel 1 cannot be broken or damaged due to shaking.

Further, with reference to fig. 1-6, the bracket 31 includes a fixing base 311, a first connecting portion 312 protruding from the fixing base 311, and a second connecting portion 313 protruding from the first connecting portion 312, the fixing base 311 is mounted on the steering assembly 2, the fixing base 311 is connected to the first connecting arm 32, the first connecting portion 312 and the second connecting portion 313 are disposed at an interval along the second direction, the first connecting portion 312 is connected to the first rod 331, and the second connecting portion 313 is connected to the second rod 332. Specifically, the steering arm 22 is fixedly inserted into a connecting hole of the fixing base 311, a first mounting hole is disposed on one side of the fixing base 311, one end of the first connecting arm 32 is inserted into the first mounting hole through a pin and is connected to the fixing base 311, the first connecting portion 312 and the second connecting portion 313 are respectively provided with a second mounting hole and a third mounting hole, the first rod 331 and the second rod 332 are respectively inserted into the second mounting hole and the third mounting hole through a pin and are connected to the first connecting portion 312 and the second connecting portion 313, and meanwhile, the first connecting arm 32, the first rod 331 and the second rod 332 are always parallel to each other to form a parallelogram link mechanism, so that the wheel 1 is always kept unchanged, and the steering resistance moment is unchanged under the unchanged load grounding point.

Further, with continued reference to fig. 1-6, the corner module structure further includes a shock absorber 4, one end of the shock absorber 4 being connected to the second connecting arm 33, and the other end of the shock absorber 4 being adapted to be connected to the vehicle body. Specifically, the shock absorber 4 is made of an elastic material, and is used for suppressing the shock when the spring absorbs the shock and then rebounds and the impact from the ground so as to improve the ride comfort of the automobile, and when the automobile passes through an uneven road surface, although the shock absorber 4 can filter the shock of the road surface, the shock absorber can reciprocate to suppress the jump of the spring. When the axle and the frame are close to each other, the damping force of the shock absorber 4 is small so as to fully exert the elastic action of the elastic element, and when the axle and the frame are far away from each other, the damping force of the shock absorber 4 is large so as to quickly absorb shock.

Further, with continued reference to fig. 1-6, the steering assembly 2 includes a steering motor 21, a rotating shaft, and a steering arm 22, where the steering motor 21 is configured to drive the rotating shaft to rotate, the rotating shaft is fixedly connected to the steering arm 22, the steering arm 22 is installed on the wheel 1, and the steering arm 22 can drive the wheel 1 to rotate with the L1 as the center line under the action of the steering motor 21. Specifically, the steering motor 21 is fixed on the reduction gearbox through bolted connection, worm wheel and worm set up in the reduction gearbox, the reduction gearbox passes through bolt fixed mounting on fixing base 311, the output shaft and the worm of steering motor 21 pass through the key-type connection, the rotation end of steering arm 22 passes through key-type connection fixed mounting on the worm wheel, the stiff end of steering arm 22 is installed on the wheel, and the rotation center and the coaxial setting of L1 of steering arm 22, the steering motor 21 drives the worm and rotates, the worm is connected with worm wheel transmission, the worm wheel drives steering arm 22 and continuously rotates, thereby make wheel 1 can wind L1 rotation center line 360 degrees rotations, realize the horizontal, the slant of car, the driving that turns to on the spot.

Further, with continued reference to fig. 1-6, the corner module structure further includes a brake assembly 5 and a hub motor, the brake assembly 5 includes a brake disc 51 and a brake caliper 52, the hub motor is mounted on the wheel 1 and is used for driving the wheel 1 to rotate, the brake disc 51 is fixedly connected to the wheel 1, the brake caliper 52 is fixedly connected to the steering arm 22, and the brake caliper 52 can clamp the brake disc 51 to brake the wheel 1. The wheel hub motor provides driving force for the wheel 1 to drive the wheel 1 to move forwards or backwards, the wheel 1 stops rotating when the brake caliper 52 clamps a brake disc 51 mounted on the wheel 1, and the wheel 1 continues rotating when the brake caliper 52 releases the brake disc 51.

Further, with continued reference to fig. 1-6, the corner module structure further includes a mounting seat 6 and a sensor 7, the mounting seat 6 is mounted on the steering assembly 2, the sensor 7 is disposed on the mounting seat 6, and the sensor 7 is configured to detect an angle of rotation of the wheel 1 with the L1 as a center line. Specifically, the mounting seat 6 is fixed on the reduction gearbox through bolt connection, the sensor 7 is an angle sensor, the sensor 7 is mounted on the mounting seat 6 through bolt connection, the sensor 7 measures the rotation angle of the rotating shaft in real time and transmits the rotation angle to the computer terminal through Bluetooth and the like in a wireless mode, finally the change of the rotation angle is displayed in real time, and optionally the sensor and the computer terminal are electrically connected through wires for transmission.

The embodiment also provides a vehicle, which comprises the angle module structure and relates to the technical field of vehicle engineering, wherein the angle module structure is arranged on the vehicle, the grounding point is always kept unchanged in the up-and-down jumping process of the wheel 1, the steering resistance moment is unchanged, and meanwhile, the wheel 1 can rotate at 360 degrees around the rotation center line L1, so that the transverse, oblique and pivot steering running functions of the vehicle are realized.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Corner module structure, characterized in that includes:

a wheel (1);

the steering assembly (2) is connected to the wheel (1), the rotation center line of the steering assembly (2) relative to the wheel (1) is L1, and the steering assembly (2) can drive the wheel (1) to rotate by taking the L1 as the center line;

suspension subassembly (3), including support (31), rotate connect in first linking arm (32) and the rotation of support (31) connect in the second linking arm (33) of support (31), install support (31) turn to on subassembly (2), first linking arm (32) with second linking arm (33) all are used for being connected with the automobile body, along first direction, first linking arm (32) with the hookup location of automobile body with second linking arm (33) with the hookup location interval of automobile body sets up, first linking arm (32) with second linking arm (33) parallel arrangement and length equal, L1 with first direction parallel arrangement, and L1 all the time with the plumb line of wheel (1) is coaxial.

2. The corner module structure according to claim 1, wherein the second connecting arm (33) comprises a first rod (331), a second rod (332) and a connecting member (333), the connecting member (333) being connected between the first rod (331) and the second rod (332), the first connecting arm (32) being parallel to the first rod (331) and lying in the same plane along the first direction, the first rod (331) and the second rod (332) being parallel and lying in the same plane along the second direction, the first direction and the second direction being arranged perpendicularly.

3. The corner module structure according to claim 2, characterized in that the first rod (331), the second rod (332) and the connector (333) are provided in one piece.

4. The corner module structure according to claim 2, wherein the bracket (31) comprises a fixing base (311), a first connecting portion (312) protruding from the fixing base (311), and a second connecting portion (313) protruding from the first connecting portion (312), the fixing base (311) is mounted on the steering assembly (2), the fixing base (311) is connected to the first connecting arm (32), the first connecting portion (312) and the second connecting portion (313) are spaced apart from each other along the second direction, the first connecting portion (312) is connected to the first rod (331), and the second connecting portion (313) is connected to the second rod (332).

5. The corner module structure according to claim 1, characterized in that it further comprises a shock absorber (4), one end of said shock absorber (4) being connected to said second connecting arm (33), the other end of said shock absorber (4) being intended to be connected to the vehicle body.

6. The angle module structure of claim 1, characterized in that the steering assembly (2) comprises a steering motor (21), a rotating shaft and a steering arm (22), wherein the steering motor (21) is used for driving the rotating shaft to rotate, the rotating shaft is fixedly connected to the steering arm (22), the steering arm (22) is installed on the wheel (1), and the steering arm (22) can drive the wheel (1) to rotate by taking the L1 as a center line under the action of the steering motor (21).

7. The corner module structure according to claim 6, characterized in that the centre of rotation of the steering arm (22) is arranged coaxially with L1.

8. The corner module structure according to claim 6, characterized in that it further comprises a brake assembly (5) and a hub motor, said brake assembly (5) comprising a brake disc (51) and a brake caliper (52), said hub motor being mounted on said wheel (1) and being intended to drive said wheel (1) in rotation, said brake disc (51) being fixedly connected to said wheel (1), said brake caliper (52) being fixedly connected to said steering arm (22), said brake caliper (52) being able to clamp said brake disc (51) to brake said wheel (1).

9. The corner module structure according to claim 1, characterized in that it further comprises a mounting seat (6) and a sensor (7), said mounting seat (6) being mounted on said steering assembly (2), said sensor (7) being arranged on said mounting seat (6), said sensor (7) being adapted to detect the angle of rotation of said wheel (1) about L1.

10. Vehicle, characterized in that it comprises a corner module structure according to any of claims 1-9.

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