Hub motor angle module assembly with inverted steering motor and high-position double-fork-arm structure

Abstract

The utility model discloses a wheel hub motor angle module assembly with a steering motor inverted type high-position double-fork-arm structure, which comprises a wheel assembly, a wheel hub motor assembly, a steering knuckle, a main pin steering gear and a suspension assembly, the main pin steering gear is connected with the wheel hub motor assembly through the steering knuckle, and the wheel hub motor assembly is used for connecting and driving the wheel assembly. The kingpin steering gear comprises a steering motor and a kingpin steering gear support, an upper mounting seat extending obliquely upwards is arranged at the upper end of the side, away from the wheel assembly, of the steering knuckle and faces the side away from the wheel assembly, an upper mounting hole is formed in the upper mounting seat, the steering motor is inverted, and the output end of the steering motor is upwards connected with the upper mounting hole and used for driving the steering knuckle to steer. The side, close to the output end, of the steering motor is connected with the kingpin steering gear support, and the kingpin steering gear support is used for being connected with the suspension assembly. According to the utility model, the steering motor is inversely designed, so that the space on the wheel is saved, the hub structure is more compact, and more degrees of freedom can be provided for the whole vehicle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of in-vehicle wheel hub motor angle module configuration, and specifically relates to a wheel hub motor angle module assembly of a steering motor inverted high double wishbone configuration. BACKGROUND

[0002] The wheel hub motor angle module, as a highly integrated core component, plays a crucial role in new energy vehicles and drive-by-wire chassis vehicles. With the advancement of drive-by-wire chassis technology, domestic and foreign vehicle and component enterprises are continuously launching wheel hub motor prototypes and sample vehicles, and wheel hub motor technology is gradually developing towards modularity, integration, and lightweight.

[0003] The main feature of the wheel hub motor angle module is that it integrates driving, transmission, and braking devices into the wheel hub, enabling each wheel to achieve independent driving, braking, steering, and suspension functions. This technology not only improves the overall performance and energy efficiency of vehicles but also enables new energy vehicles and drive-by-wire chassis vehicles to achieve more optimized distributed driving.

[0004] Currently, there are many ways or styles of in-vehicle wheel hub motor angle module configuration, but existing technology only uses the scheme of stacking the wheel hub motor backplate and steering knuckle, and placing the steering motor on top, which occupies a large axial size, resulting in problems such as large kingpin offset distance, low integration of wheel hub motor and braking system, large wheel compartment space occupation, and inability to use high double wishbone due to the invasion of passenger compartment space, poor suspension performance, etc.

[0005] Therefore, there is an urgent need for a wheel hub motor angle module assembly of a steering motor inverted high double wishbone configuration to solve the problem of large wheel space occupation caused by conventional steering motor top-mounted structures. UTILITY MODEL CONTENTS

[0006] The utility model provides a wheel hub motor angle module assembly of a steering motor inverted high double wishbone configuration to solve the problem of large wheel space occupation caused by conventional steering motor top-mounted structures.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0008] The application discloses a hub motor angle module assembly of a steering motor upside-down high-position double-fork-arm configuration, which is characterized by comprising a wheel assembly, a hub motor assembly, a steering knuckle, a kingpin steering gear and a suspension assembly, wherein the kingpin steering gear is connected with the hub motor assembly through the steering knuckle, the hub motor assembly is used for connecting and driving the wheel assembly, the kingpin steering gear comprises a steering motor and a kingpin steering gear support, and an upper mounting seat extending obliquely upwards is arranged on the upper end of the steering knuckle away from the wheel assembly, an upper mounting hole is arranged on the upper mounting seat, the steering motor is inverted and connected with the upper mounting hole through an output end, and the steering motor is used for driving the steering knuckle to steer, the steering motor is connected with the kingpin steering gear support on the side close to the output end, and the kingpin steering gear support is used for connecting the suspension assembly.

[0009] In order to optimize the above technical scheme, the specific measures taken further include:

[0010] Further, the kingpin steering gear further comprises a planetary reducer, the output end of the inverted steering motor is connected with the planetary reducer, the output end of the planetary reducer is connected with the upper mounting hole, the planetary reducer is used for driving the steering knuckle to steer, and the kingpin steering gear support is arranged on the side of the planetary reducer away from the steering motor.

[0011] Further, the suspension assembly comprises an upper cross arm and a lower cross arm, one end of the upper cross arm is hinged to the kingpin steering gear support, the other end of the upper cross arm is used for connecting a vehicle frame, the lower end of the steering knuckle is provided with a lower mounting seat, a lower mounting hole is arranged on the lower mounting seat, one end of the lower cross arm is hinged to the lower mounting hole, and the other end of the lower cross arm is used for connecting the vehicle frame.

[0012] Further, the suspension assembly further comprises an air spring, the upper cross arm is provided with an annular hole through which the air spring passes, and the movable end of the air spring passes through the annular hole downwards and is connected to the lower cross arm.

[0013] Further, the steering motor is located between the upper cross arm and the lower cross arm.

[0014] Further, the hub motor assembly comprises a hub motor and a hub bearing, the hub motor rotor of the hub motor is used for connecting the wheel assembly, the hub motor rotor is connected with the side of the steering knuckle away from the kingpin steering gear through the hub bearing, and the steering knuckle is further fixedly connected with the inner ring of the hub motor stator of the hub motor.

[0015] Further, the hub motor assembly further comprises a brake and a brake disc, the brake is mounted on the steering knuckle, the brake disc is assembled on the hub motor rotor and the hub bearing, and the brake is used for clamping or releasing the brake disc.

[0016] Further, the wheel assembly comprises a tire and a rim, the hub motor rotor is assembled with the inner ring of the rim, and the tire is sleeved outside the rim.

[0017] The utility model discloses the beneficial effect is:

[0018] The utility model discloses the design of inverting steering motor makes the device has following advantages:

[0019] Save the space on the wheel: through the optimization design and arrangement, the system saves the space on the wheel significantly, makes the wheel hub structure more compact. This design can provide more freedom for the whole vehicle, especially in the vehicle internal structure arrangement and space utilization, realizes more efficient space management.

[0020] Make use of the space between hub motor assembly and suspension assembly: make full use of the limited space between hub motor assembly and suspension assembly, and change the originally not fully utilized space into useful functional area through reasonable arrangement of key components. This method not only improves the compactness of the system, but also saves more space for overall arrangement, and provides new possibility for vehicle design.

[0021] Reduce the wheel compartment envelope: the reduction of wheel compartment envelope directly reduces the limitation to the body shape design, so that the aerodynamic performance and overall appearance of the vehicle are further optimized. In addition, this compact design can also effectively increase the passenger compartment space and ensure passenger comfort.

[0022] Realize greater wheel jump range: through the optimization design of suspension and hub motor, greater wheel jump range is realized. This not only improves the adaptability of the vehicle in complex road conditions, but also enhances the driving comfort and overall control performance of the vehicle.

[0023] Allow to arrange high double wishbone suspension: the innovative design allows to arrange high double wishbone suspension structure, and this suspension form is famous for its excellent strength and stability. It can significantly improve the stability of the vehicle in high-speed driving and curve, and provide better damping performance.

[0024] Adapt to more vehicle models and realize platformization: the new design has higher universality and can easily adapt to different kinds of vehicle models, including cars, SUVs, MPVs and the like. It provides greater flexibility and convenience for automobile manufacturers in platform development and modular design. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The structure diagram of the hub motor angle module assembly of the steering motor inverted high double wishbone configuration of the utility model discloses a kind of;

[0026] Figure 2The utility model provides a kind of split schematic diagram of steering motor inverted high double fork arm configuration's wheel hub motor angle module assembly of the utility model.

[0027] Figure 3 The utility model provides a kind of split schematic diagram of steering motor inverted high double fork arm configuration's wheel hub motor angle module assembly of the utility model.

[0028] Reference Signs: 1, tire; 2, rim; 3, wheel hub motor rotor; 4, wheel hub bearing; 5, knuckle; 6, brake; 7, brake disc; 8, wheel hub motor stator; 9, steering motor; 10, planetary reducer; 11, kingpin steering gear support; 12, air spring; 13, upper control arm; 14, bush; 15, lower control arm. DETAILED DESCRIPTION

[0029] The utility model is described in detail below in connection with the drawings.

[0030] As shown in the accompanying Figure 1 and accompanying Figure 2 , the utility model embodiment of a kind of steering motor inverted high double fork arm configuration's wheel hub motor angle module assembly, including wheel assembly, wheel hub motor assembly, knuckle 5, kingpin steering gear and suspension assembly, kingpin steering gear connects wheel hub motor assembly by knuckle 5, wheel hub motor assembly is used to connect and drive wheel assembly, kingpin steering gear includes steering motor 9 and kingpin steering gear support 11, the upper end of the side far from wheel assembly of knuckle 5 is equipped with the obliquely upwards extending upper mounting seat towards the side far from wheel assembly, and upper mounting hole is equipped on the upper mounting seat, steering motor 9 is inverted and makes output end upwards connect upper mounting hole, for driving knuckle 5 to steer, the side close to output end of steering motor 9 connects kingpin steering gear support 11, and kingpin steering gear support 11 is used to connect suspension assembly.

[0031] The utility model by inverting the design of steering motor 9, so that the device has following six points remarkable advantages:

[0032] I. save space on wheel

[0033] By optimizing design and arrangement, the system significantly saves the space on wheel, so that wheel hub structure is more compact. This design can provide more degrees of freedom for the whole vehicle, especially in the arrangement and space utilization of vehicle internal structure, realize more efficient space management.

[0034] II. utilize the space between wheel hub motor assembly and suspension assembly

[0035] The limited space between the hub motor assembly and the suspension assembly is fully utilized by strategically arranging key components, transforming previously underutilized space into functional areas. This approach not only enhances the system's compactness but also saves more space for overall layout, offering new possibilities for vehicle design.

[0036] Three, reduced wheel well envelope

[0037] The reduction of the wheel well envelope directly reduces the restrictions on the body design, allowing for further optimization of the vehicle's aerodynamic performance and overall aesthetics. Additionally, this compact design effectively increases passenger cabin space, ensuring passenger comfort.

[0038] Four, achieve greater wheel travel range

[0039] By optimizing the design of the suspension and hub motor, a greater wheel travel range is achieved. This not only improves the vehicle's adaptability to complex road conditions, but also enhances driving comfort and overall vehicle handling performance.

[0040] Five, allow the arrangement of high double wishbone suspension

[0041] The innovative design allows the arrangement of high double wishbone suspension structure, which is known for its excellent strength and stability. It can significantly improve the stability of the vehicle at high speed and in curves, while providing better shock absorption performance.

[0042] Six, adapt to more vehicle models, realize platformization

[0043] The new design has higher universality and can easily adapt to different types of vehicles, including sedans, SUVs, MPVs, etc. It provides greater flexibility and convenience for automobile manufacturers in platform development and modular design, helping to reduce research and development costs and accelerate the listing process of new vehicle models.

[0044] In another specific embodiment based on the above, the kingpin steering gear further includes a planetary reducer 10, the output end of the inverted steering motor 9 is connected to the planetary reducer 10, the output end of the planetary reducer 10 is connected to the upper mounting hole, for driving the steering knuckle 5 to steer, and the kingpin steering gear support 11 is installed on the side of the planetary reducer 10 away from the steering motor 9.

[0045] In another embodiment based on the above, the suspension assembly comprises an upper link 13 and a lower link 15, one end of the upper link 13 is hinged to the kingpin steering knuckle support 11, the other end of the upper link 13 is used to connect the vehicle frame, the lower end of the steering knuckle 5 is provided with a lower mounting seat, the lower mounting seat is provided with a lower mounting hole, one end of the lower link 15 is hinged to the lower mounting hole, the other end of the lower link 15 is used to connect the vehicle frame. In this embodiment, the end of the upper link 13 away from the kingpin steering knuckle support 11 can be provided with a bushing 14 as needed.

[0046] In a further embodiment based on the above, the suspension assembly further comprises an air spring 12, the upper link 13 is provided with an annular hole through which the air spring 12 passes, the movable end of the air spring 12 passes downward through the annular hole and is connected to the lower link 15. In this embodiment, the annular hole of the upper link 13 has a gap for the air spring 12 to move, and does not contact the air spring 12. The above-mentioned steering motor 9 is located between the upper link 13 and the lower link 15.

[0047] As shown in the accompanying drawings, Figure 3 In another embodiment based on the above, the hub motor assembly comprises a hub motor and a hub bearing 4, the hub motor rotor 3 of the hub motor is used to connect the wheel assembly, the hub motor rotor 3 is connected to the steering knuckle 5 away from the kingpin steering knuckle through the hub bearing 4, and the steering knuckle 5 is also fixedly connected with the inner ring of the hub motor stator 8 of the hub motor.

[0048] In a further embodiment based on the above, the hub motor assembly further comprises a brake 6 and a brake disc 7, the brake 6 is mounted on the steering knuckle 5, the brake disc 7 is assembled on the hub motor rotor 3 and the hub bearing 4, and the brake 6 is used to clamp or release the brake disc 7. In this way, the brake effect of the device can be increased by the arrangement of the brake 6 and the brake disc 7. The brake disc 7 can be assembled and connected with the outer side of the hub motor rotor 3 and the hub bearing 4, so as to increase the stability of the structure.

[0049] In a further embodiment based on the above, the wheel assembly comprises a tire 1 and a rim 2, the hub motor rotor 3 is assembled and connected with the inner ring of the rim 2, and the tire 1 is sleeved on the outer side of the rim 2.

[0050] The utility model discloses a knuckle 5 etc. Structure's setting is compared with traditional outer rotor wheel hub motor, the traditional motor backplate for fixing wheel hub motor stator 8 and wheel hub bearing 4 and the function and overall structure of the fusion of the knuckle structure responsible for the steering function, obtain the setting of knuckle 5 in this scheme, to reduce the axial size, make the kingpin axis more close to the wheel assembly, and then the kingpin extension line and the ground intersection more close to the wheel assembly ground point, greatly reduce the kingpin offset distance, in addition, the various forces and moments that tire receives are transmitted to the suspension system through the tire-wheel hub bearing-knuckle, can improve the reliability, integration and bearing capacity of structure.

[0051] The utility model discloses innovatively arrange air spring 12 between kingpin steering gear support 11 and upper lateral arm 13, make air spring 12 mounting point close to wheel assembly, compare with existing wheel hub motor angle module, and the suspension transmission ratio is greater, and the damping effect is better, and simultaneously because the variable damper in air spring 12 is introduced, can greatly reduce the negative effect of wheel hub motor angle module spring mass, make the driving smoothness and anti-roll performance more excellent.

[0052] The utility model discloses a kind of wheel hub motor angle module assembly of driving, braking, steering, suspension integration, can realize the multiple motion modes of chassis, such as front wheel steering, four-wheel steering, crabbing, cross, U-turn, fulcrum steering etc., solve the problems, such as difficult arrangement of steering system, braking system and suspension system, low integration, in addition, compared with existing wheel hub motor angle module assembly, the utility model innovatively proposes that wheel hub motor backplate is integrated with knuckle 5, braking system and wheel hub motor high-integration structure, significantly improve the overall system integration, greatly reduce the kingpin offset distance.

[0053] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "rear" and the like cited in the utility model are only for the convenience of clear description, and are not intended to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of technical content.

[0054] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments, and any technical solution under the idea of the utility model belongs to the protection scope of the utility model. It should be noted that for ordinary skilled persons in the art, some improvements and refinements without departing from the principle of the utility model are considered as the protection scope of the utility model.

Claims

1. A steering motor inverted high double wishbone configuration hub motor corner module assembly, characterized by: The application relates to a wheel assembly, a hub motor assembly, a knuckle (5), a kingpin steering gear and a suspension assembly, the kingpin steering gear is connected with the hub motor assembly through the knuckle (5), the hub motor assembly is used for connecting and driving the wheel assembly, the kingpin steering gear comprises a steering motor (9) and a kingpin steering gear support (11), an upper mounting seat extending obliquely upwards is arranged on the upper end of the knuckle (5) far from the wheel assembly, an upper mounting hole is arranged on the upper mounting seat, the steering motor (9) is inverted and the output end is connected with the upper mounting hole upwards, the steering motor (9) is used for driving the knuckle (5) to steer, the side close to the output end of the steering motor (9) is connected with the kingpin steering gear support (11), and the kingpin steering gear support (11) is used for connecting the suspension assembly.

2. A steering motor inverted high double wishbone configuration hub motor corner module assembly according to claim 1, characterized in that: The kingpin steering gear further comprises a planetary reducer (10), the output end of the inverted steering motor (9) is connected with the planetary reducer (10), the output end of the planetary reducer (10) is connected with the upper mounting hole, and the planetary reducer (10) is used for driving the knuckle (5) to steer, and the kingpin steering gear support (11) is arranged on the side of the planetary reducer (10) far from the steering motor (9).

3. A high double wishbone configuration of an in-wheel motor angular module assembly of a steering motor inversion type according to claim 1, characterized in that: The suspension assembly comprises an upper transverse arm (13) and a lower transverse arm (15), one end of the upper transverse arm (13) is hinged with the kingpin steering gear support (11), the other end of the upper transverse arm (13) is used for connecting a vehicle frame, the lower end of the knuckle (5) is provided with a lower mounting seat, a lower mounting hole is arranged on the lower mounting seat, one end of the lower transverse arm (15) is hinged with the lower mounting hole, and the other end of the lower transverse arm (15) is used for connecting the vehicle frame.

4. A high double wishbone configuration of an in-wheel motor angular module assembly of a steering motor inversion type according to claim 3, characterized in that: The suspension assembly further comprises an air spring (12), the upper transverse arm (13) is provided with an annular hole through which the air spring (12) passes, the movable end of the air spring (12) passes through the annular hole downwards and is connected with the lower transverse arm (15).

5. A high double wishbone configuration of an in-wheel motor angular module assembly of a steering motor inversion type according to claim 3, characterized in that: The steering motor (9) is located between the upper transverse arm (13) and the lower transverse arm (15).

6. A high double wishbone configuration of an electric motor inverting type of an electric motor angular module assembly of a wheel hub according to claim 1, characterized in that: The hub motor assembly comprises a hub motor and a hub bearing (4), the hub motor rotor (3) of the hub motor is used for connecting the wheel assembly, the hub motor rotor (3) is connected with the side of the knuckle (5) far from the kingpin steering gear through the hub bearing (4), and the knuckle (5) is further fixedly connected with the inner ring of the hub motor stator (8) of the hub motor.

7. A high double wishbone configuration of an in-wheel motor angle module assembly of a steer-by-wire electric motor according to claim 6, characterized in that: The hub motor assembly further comprises a brake (6) and a brake disc (7), the brake (6) is arranged on the knuckle (5), the brake disc (7) is arranged on the hub motor rotor (3) and the hub bearing (4), and the brake (6) is used for clamping or releasing the brake disc (7).

8. A steering motor inverted high double wishbone configuration hub motor corner module assembly according to claim 6, characterized in that: The wheel assembly comprises a tire (1) and a rim (2), the hub motor rotor (3) is assembled and connected with the inner ring of the rim (2), and the tire (1) is sleeved on the outer side of the rim (2).

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