Steering gear and vehicle

Abstract

The present disclosure relates to a kind of steering machine and vehicle, the steering machine includes main casing and assist motor, be provided with first mounting point and two second mounting points, the first mounting point and the second mounting point are used to be connected with auxiliary frame, the first mounting point is between two the second mounting points in left and right direction, and the line of the first mounting point and two the second mounting points is triangle;The assist motor is connected with the main casing, the centroid of the assist motor is projected on the first plane to the distance of the projection of the line of the first mounting point and one of the second mounting points on the projection on the first plane less than or equal to first preset value, the first plane is perpendicular to up and down direction.The steering machine of the present disclosure can reduce the noise of the vehicle with the steering machine.

Description

Technical Field

[0001] This disclosure relates to the field of vehicle technology, and more specifically to a steering gear and a vehicle. Background Technology

[0002] Currently, electric power steering systems are widely used in vehicle steering systems. Furthermore, with the advent of electrification and increased axle loads, steering systems increasingly employ electric power steering mechanisms to provide steering assistance. However, the relatively heavy motor structure of electric power steering mechanisms results in a lower steering modality, making them prone to resonance with chassis components and leading to higher overall vehicle noise. Summary of the Invention

[0003] This disclosure proposes a steering mechanism to reduce noise in vehicles equipped with the steering mechanism.

[0004] The steering gear disclosed herein includes a main housing and a power steering motor. The main housing has a first mounting point and two second mounting points. Both the first mounting point and the second mounting points are used to connect to a subframe. The first mounting point is located between the two second mounting points in the left-right direction, and the line connecting the first mounting point and the two second mounting points forms a triangle. The power steering motor is connected to the main housing. The distance between the projection of the center of mass of the power steering motor onto a first plane and the projection of the line connecting the first mounting point and one of the second mounting points onto the first plane is less than or equal to a first preset value. The first plane is perpendicular to the up-down direction.

[0005] Optionally, the first preset value is 15mm.

[0006] Optionally, the steering gear further includes a power assist gear, a rack, and a steering tie rod. The power assist motor is driven by the power assist gear, the rack meshes with the power assist gear, and the rack is driven by the steering tie rod. The distance from the meshing point of the power assist gear and the rack to the ball joint of the steering tie rod is less than or equal to a second preset value.

[0007] Optionally, the second preset value is 170mm.

[0008] Optionally, the steering gear further includes a worm and a worm wheel, the worm being drivenly connected to the power assist motor, the worm wheel meshing with the worm, and the power assist gear being drivenly connected to the worm wheel; the angle between the axis of the power assist motor and the axis of the power assist gear is less than 90°, and the angle between the axis of the power assist gear and the axis of the rack is less than 90°.

[0009] Optionally, the distance between the projection of the center of mass of the assist motor onto the second plane and the projection of the axis of the rack onto the second plane is less than or equal to a third preset value, and the second plane is perpendicular to the front-back direction.

[0010] Optionally, the third preset value is 85mm.

[0011] Optionally, the steering gear further includes a pressure block for applying pressure to the rack toward the power assist gear, wherein at least two of the center of mass of the power assist motor, the worm gear, and the pressure block are located on the same side of the axis of the power assist gear.

[0012] Optionally, the center of mass of the power assist motor, the worm gear, and the pressure block are all located on the same side of the axis of the power assist gear.

[0013] Optionally, the assist motor includes a motor housing, the motor housing includes a housing body and at least three fixing points, the fixing points are connected to the main housing, and the fixing points are located on the radially outer side of the housing body.

[0014] Optionally, the motor housing is provided with reinforcing ribs that extend in the left-right direction.

[0015] Optionally, the main housing is provided with multiple main reinforcing ribs.

[0016] Optionally, the main reinforcing rib includes a first reinforcing rib and / or a second reinforcing rib and / or a third reinforcing rib, wherein the first reinforcing rib is disposed at the connection between the power assist motor and the main housing; the second reinforcing rib passes through the first mounting point; and the third reinforcing rib passes through the second mounting point.

[0017] Optionally, the second reinforcing rib and the third reinforcing rib are connected and extend in the left-right direction, so that the force transmission path formed by the second reinforcing rib and the third reinforcing rib passes through the first mounting point and the second mounting point.

[0018] This disclosure also proposes a vehicle.

[0019] The vehicle disclosed herein includes a steering gear and a subframe, wherein the steering gear is any of the steering gears described above; both the first mounting point and the second mounting point are connected to the subframe.

[0020] The steering gear disclosed herein, by connecting a first mounting point and two second mounting points to a subframe, can improve the overall rigidity of the steering gear and the subframe by utilizing the rigidity of the subframe. The distance between the projection of the center of mass of the power steering motor onto the first plane and the projection of the line connecting the first mounting point and one of the second mounting points onto the first plane is less than or equal to a first preset value. This makes the distance from the center of mass of the power steering motor to the line connecting the first mounting point and one of the second mounting points shorter, thereby reducing the swing arm of the power steering motor, improving the low swing mode state of the power steering motor, thereby improving the steering gear's modality and reducing the noise of the vehicle equipped with this steering gear. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the connection structure between the steering gear and the subframe according to an embodiment of this disclosure.

[0022] Figure 2 This is a first-view structural schematic diagram of the steering gear according to an embodiment of the present disclosure.

[0023] Figure 3 This is a partial cross-sectional view of the steering gear according to an embodiment of the present disclosure.

[0024] Figure 4 This is a partial cross-sectional view of the steering gear according to an embodiment of the present disclosure.

[0025] Figure 5 This is a structural schematic diagram of the steering gear from a second perspective according to an embodiment of the present disclosure.

[0026] Figure 6 This is a third-view structural schematic diagram of the steering gear according to an embodiment of the present disclosure.

[0027] Figure 7 This is a structural schematic diagram of the steering gear from a fourth perspective according to an embodiment of the present disclosure.

[0028] Figure 8 This is a cross-sectional view of the power steering motor, power steering gear, and rack of the steering gear according to an embodiment of the present disclosure.

[0029] Figure 9 This is a structural schematic diagram of the steering gear from a fifth perspective according to an embodiment of the present disclosure.

[0030] Figure 10 This is a sixth-view structural schematic diagram of the steering gear according to an embodiment of the present disclosure.

[0031] Figure 11 This is a structural schematic diagram of the steering gear from the seventh perspective of an embodiment of the present disclosure.

[0032] Figure label:

[0033] 10. Steering gear;

[0034] 1. Main shell; 11. First mounting point; 12. Second mounting point; 13. Third mounting point; 14. Main reinforcing rib; 141. First reinforcing rib; 142. Second reinforcing rib; 143. Third reinforcing rib;

[0035] 2. Power steering motor; 21. Motor housing; 211. Power steering reinforcing rib; 212. Housing body; 213. Fixing point; 22. Input shaft; 23. Pressure block; 24. Manual gear; 25. Steering torsion bar; 201. Center of gravity;

[0036] 3. Steering column;

[0037] 41. Worm gear; 42. Worm wheel;

[0038] 51. Power-assist gear; 52. Rack;

[0039] 6. Steering intermediate shaft;

[0040] 7. Steering tie rod;

[0041] 8. Steering knuckle;

[0042] 91. ECU; 92. Angle sensor;

[0043] 20. Subframe. Detailed Implementation

[0044] Embodiments of this disclosure are described in detail below, with examples of these embodiments illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this disclosure, and should not be construed as limiting it.

[0045] like Figures 1 to 7 As shown, the steering gear 10 of this embodiment includes a main housing 1 and a power steering motor 2, with the power steering motor 2 connected to the main housing 1. The main housing 1 has a first mounting point 11 and two second mounting points 12, both of which are used to connect to the subframe 20. The first mounting point 11 is located between the two second mounting points 12 in the left-right direction, and the line connecting the first mounting point 11 and the two second mounting points 12 forms a triangle. The distance between the projection of the center of mass 201 of the power steering motor 2 onto the first plane and the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the first plane is less than or equal to a first preset value, and the first plane is perpendicular to the up-down direction.

[0046] The up and down direction refers to the vertical direction of the vehicle when the steering gear 10 is installed and used on the vehicle.

[0047] The steering gear 10 of this embodiment connects the first mounting point 11 and two second mounting points 12 to the subframe 20, thereby improving the overall rigidity of the steering gear 10 and the subframe 20 by leveraging the rigidity of the subframe 20. The distance between the projection of the center of mass 201 of the power assist motor 2 onto the first plane and the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the first plane is less than or equal to a first preset value. This makes the distance between the center of mass 201 of the power assist motor 2 and the line connecting the first mounting point 11 and one of the second mounting points 12 shorter, thereby reducing the swing arm of the power assist motor 2, improving the low swing mode of the power assist motor 2, and thus improving the steering gear's modality and reducing the noise of the vehicle equipped with the steering gear 10.

[0048] Optionally, the first preset value is 15mm. That is, the distance between the projection of the center of mass 201 of the assist motor 2 onto the first plane and the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the first plane is less than or equal to 15mm.

[0049] By setting the first preset value to 15mm, the swing arm of the power steering motor 2 can be effectively reduced, the steering gear mode can be improved, and the noise of the vehicle with the steering gear 10 can be reduced.

[0050] It is understood that the distance between the projection of the center of mass 201 of the assist motor 2 onto the first plane and the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the first plane should be as small as possible. Preferably, the projection of the center of mass 201 of the assist motor 2 onto the first plane is the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the first plane.

[0051] In some embodiments, such as Figures 1 to 4 As shown, the steering gear 10 also includes a power assist gear 51, a rack 52, and a steering tie rod 7. The power assist motor 2 is driven by the power assist gear 51, the rack 52 meshes with the power assist gear 51, and the rack 52 is driven by the steering tie rod 7. The distance from the meshing point of the power assist gear 51 and the rack 52 to the ball joint of the steering tie rod 7 is less than or equal to a second preset value.

[0052] By setting the distance from the meshing point of the power steering gear 51 and rack 52 to the ball joint of the steering tie rod 7 to be less than or equal to a second preset value, the center of mass 201 of the power steering motor 2 is brought closer to the line connecting the first mounting point 11 and the second mounting point 12 in the left-right direction. This effectively reduces the swing arm of the power steering motor 2, improves the steering gear mode, and reduces the noise of the vehicle equipped with the steering gear 10. Here, the left-right direction refers to the left-right direction of the vehicle when the steering gear 10 is installed and used.

[0053] Optionally, the second preset value is 170mm. That is, the distance from the meshing point of the power steering gear 51 and rack 52 to the ball pin of the steering tie rod 7 is less than or equal to 170mm.

[0054] By setting the second preset value to 170mm, the swing arm of the power steering motor 2 can be effectively reduced, the steering gear mode can be improved, and the noise of the vehicle with the steering gear 10 can be reduced.

[0055] Optionally, such as Figure 6 As shown, the steering gear 10 also includes a worm 41 and a worm wheel 42. The worm 41 is connected to the power steering motor 2, the worm wheel 42 meshes with the worm 41, and the power steering gear 51 is connected to the worm wheel 42. The angle between the axis c of the power steering motor 2 and the axis b of the power steering gear 51 is less than 90°, and the angle between the axis b of the power steering gear 51 and the axis a of the rack 52 is less than 90°.

[0056] For example, such as Figure 6 As shown, the line connecting the axis c of the power assist motor 2, the axis b of the power assist gear 51, and the axis a of the rack 52 forms a Z-shape.

[0057] By setting the angle between the axis of the power assist motor 2 and the axis of the power assist gear 51 to less than 90°, and the angle between the axis of the power assist gear 51 and the axis of the rack 52 to less than 90°, the center of mass 201 of the power assist motor 2 is closer to the line connecting the first mounting point 11 and one of the second mounting points 12 in the left-right direction. This effectively reduces the swing arm of the power assist motor 2, improves the mode of the steering gear, and reduces the noise of the vehicle equipped with the steering gear 10.

[0058] In some embodiments, the distance between the projection of the center of mass 201 of the power steering motor 2 onto the second plane and the projection of the axis of the rack 52 onto the second plane is less than or equal to a third preset value, and the second plane is perpendicular to the front-rear direction. The front-rear direction refers to the direction of travel of the vehicle when the steering gear 10 is mounted on the vehicle.

[0059] For example, such as Figure 8 As shown, the distance between the projection of the center of mass 201 of the power motor 2 onto the second plane and the projection of the axis of the rack 52 onto the second plane is L.

[0060] By setting the distance between the projection of the center of mass 201 of the power assist motor 2 onto the second plane and the distance between the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the second plane to be less than or equal to a third preset value, the distance between the center of mass 201 of the power assist motor 2 and the line connecting the first mounting point 11 and the second mounting point 12 is smaller, thereby further reducing the swing arm of the power assist motor 2, improving the low swing mode of the power assist motor 2, further improving the mode of the steering gear, and reducing the noise of the vehicle with the steering gear 10.

[0061] Optionally, the third preset value is 85mm. That is, the distance between the projection of the center of mass 201 of the assist motor 2 onto the second plane and the projection of the line connecting the first mounting point 11 and one of the second mounting points 12 onto the second plane is less than or equal to 85mm.

[0062] By setting the third preset value to 85mm, the swing arm of the power steering motor 2 can be effectively reduced, the steering gear mode can be improved, and the noise of the vehicle equipped with the steering gear 10 can be reduced.

[0063] Optionally, such as Figure 8 As shown, the steering gear 10 also includes a pressure block 23 for providing pressure on the rack 52 toward the power assist gear 51. At least two of the center of mass 201 of the power assist motor 2, the worm gear 41 and the pressure block 23 are located on the same radial side of the power assist gear 51.

[0064] At least two of the centroid 201, worm 41, and pressure block 23 of the power assist motor 2 are located on the same radial side of the power assist gear 51. This can be understood as: two of the centroid 201, worm 41, and pressure block 23 of the power assist motor 2 are located on the same radial side of the power assist gear 51; or, the centroid 201, worm 41, and pressure block 23 of the power assist motor 2 are all located on the same side of the axis of the power assist gear 51.

[0065] By setting at least two of the center of mass 201 of the power assist motor 2, the worm gear 41, and the pressure block 23 to be located on the same side of the axis of the power assist gear 51, the gap between the axis of the power assist motor 2 and the axis of the rack 52 can be reduced, thereby reducing the distance from the center of mass 201 of the power assist motor 2 to the line connecting the first mounting point 11 and one of the second mounting points 12, further reducing the swing arm of the power assist motor 2, improving the low swing mode of the power assist motor 2, further improving the mode of the steering gear, and reducing the noise of the vehicle with the steering gear 10.

[0066] Optionally, such as Figure 8 As shown, the center of mass 201, worm gear 41, and pressure block 23 of the power assist motor 2 are all located on the same side of the axis of the power assist gear 51.

[0067] For example, such as Figure 8 As shown, the center of mass 201 of the power assist motor 2, the worm gear 41 and the pressure block 23 are all located on the same side of the axis b of the power assist gear 51.

[0068] By setting the center of mass 201 of the power steering motor 2, the worm gear 41 and the pressure block 23 to be located on the same radial side of the power steering gear 51, the gap between the axis of the power steering motor 2 and the axis of the rack 52 can be further reduced, the mode of the steering gear can be further improved, and the noise of the vehicle with the steering gear 10 can be reduced.

[0069] Optionally, such as Figure 7 As shown, the power assist motor 2 includes a motor housing 21, which includes a housing body 212 and at least three fixing points 213. The fixing points 213 are connected to the main housing 1 and are located on the radial outer side of the housing body 212.

[0070] The outer periphery of the shell body 212 can be cylindrical.

[0071] By setting the fixing point 213 on the radial outer side of the housing body 212, the distance between the fixing point 213 and the power assist gear 51 can be increased, thereby optimizing the force on the power assist gear 51 and rack 52 when working with high torque and improving the reliability of the steering gear 10.

[0072] Optionally, such as Figure 7 As shown, at least three fixed points 213 are arranged at intervals along the circumference of the power motor 2.

[0073] For example, such as Figure 7 As shown, there are three fixed points 213, which are arranged in a triangle.

[0074] By arranging at least three fixed points 213 at circumferential intervals along the power steering motor 2, the force on the power steering gear 51 and rack 52 during high torque operation can be further optimized, thereby improving the reliability of the steering gear 10.

[0075] Preferably, at least three fixed points 213 are evenly arranged along the circumference of the power assist motor 2.

[0076] Optionally, such as Figure 2 As shown, the main shell 1 is provided with multiple main reinforcing ribs 14.

[0077] By setting multiple main reinforcing ribs 14 in the main housing 1, the bending strength of the steering gear 10 can be improved and the rigidity of the steering gear 10 can be increased.

[0078] Optionally, such as Figure 9 As shown, the main reinforcing rib 14 includes a first reinforcing rib 141, which is disposed at the connection between the power assist motor 2 and the main housing 1.

[0079] The first reinforcing rib 141 can extend in the left and right directions.

[0080] By providing a first reinforcing rib 141 at the connection between the power assist motor 2 and the main housing 1, the strength of the connection between the power assist motor 2 and the main housing 1 can be improved.

[0081] Optionally, such as Figure 10 and Figure 11 As shown, the main reinforcing rib 14 includes a second reinforcing rib 142, which passes through the first mounting point 11.

[0082] By setting the second reinforcing rib 142 to pass through the first mounting point 11, the strength at the first mounting point 11 can be improved, thereby increasing the strength at the connection between the steering gear 10 and the subframe 20.

[0083] Optionally, such as Figure 9 and Figure 10 As shown, the main reinforcing rib 14 includes a third reinforcing rib 143, which passes through the second installation point 12.

[0084] By setting the third reinforcing rib 143 to pass through the second mounting point 12, the strength of the second mounting point 12 can be improved, thereby increasing the strength of the connection between the steering gear 10 and the subframe 20.

[0085] Optionally, such as Figures 9 to 11As shown, the second reinforcing rib 142 and the third reinforcing rib 143 extend in the left-right direction to form a force transmission path ( Figures 9 to 11 The dashed line in the diagram passes through the first mounting point 11 and the second mounting point 12.

[0086] By connecting the second reinforcing rib 142 and the third reinforcing rib 143, the force transmission path passes through the first mounting point 11 and the two second mounting points 12, which can effectively improve the strength of the connection between the steering gear 10 and the subframe 20.

[0087] Optionally, such as Figure 10 As shown, the motor housing 21 is provided with a reinforcing rib 211, which extends in the left and right directions.

[0088] By providing reinforcing ribs 211 extending in the left and right directions on the motor housing 21, the strength of the motor housing 21 in the left and right directions can be improved, and the rigidity of the assist motor 2 can be optimized.

[0089] The vehicle in this embodiment includes a steering gear 10 and a subframe 20. The steering gear 10 is the steering gear 10 described in any of the above embodiments. The first mounting point 11 and two second mounting points 12 are both connected to the subframe 20.

[0090] The first mounting point 11 and the two second mounting points 12 can be connected to the subframe 20 by bolts.

[0091] Advantages of the steering gear 10 and the vehicle according to the embodiments of this disclosure:

[0092] The oscillation mode and bending mode of the steering gear 10 are improved, thereby optimizing the NVH road noise performance of the whole vehicle; the overall stiffness of the steering gear 10 is improved, and it is rigidly connected to the subframe 20, which improves the stiffness of the whole vehicle chassis and enhances the vehicle handling stability.

[0093] like Figures 1 to 4 As shown, the steering gear 10 also includes an input shaft 22, a steering torsion bar 25, a manual gear 24, a steering intermediate shaft 6, a steering knuckle 8, an ECU 91 (Power Steering System Electronic Control Unit), and an angle sensor 92. The steering intermediate shaft 6 is used to transmit torque and steering to the input shaft 22.

[0094] The steering column 3 and the steering intermediate shaft 6 are bolted to the input shaft 22. The steering tie rod 7 is connected to the rack 52 by a ball pin. The steering tie rod 7 is connected to the steering knuckle 8 with the wheel ball joint. The input shaft 22 is connected to the manual gear 24 shaft by a steering torsion bar 25. The manual gear 24 and the rack 52 cooperate with a gear and rack transmission pair. The power assist motor 2 with ECU 91 is connected to the worm gear 41 by a coupling. The worm gear 41 and the worm wheel 42 cooperate with the power assist gear 51. The power assist gear 51 cooperates with the rack 52.

[0095] When the steering gear 10 is working, when the driver operates the steering wheel, the steering intermediate shaft 6 transmits the steering torque and steering direction to the input shaft 22. The input shaft 22 drives the steering torsion bar 25 to deform. The angle sensor 92 recognizes the driving intention and transmits the torque to the ECU 91. The ECU 91 controls the power assist motor 2 to output the assist torque through software. Then, the torque of the power assist motor 2 is amplified to the power assist gear 51 through the worm gear 41 and worm wheel 42. Then, the rotational torque of the power assist gear 51 plus the torque of the hand force gear 24 drives the rack 52 to move. The rack 52 drives the steering tie rod 7 to push the steering knuckle 8 to rotate the wheel around the kingpin of the front wheel of the vehicle, so as to realize the vehicle steering function.

[0096] Although embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the scope of protection of the present disclosure.

Claims

1. A steering gear, characterized in that, include: The main housing has a first mounting point and two second mounting points. Both the first mounting point and the second mounting points are used to connect to the subframe. The first mounting point is located between the two second mounting points in the left-right direction, and the line connecting the first mounting point and the two second mounting points forms a triangle. An assist motor is connected to the main housing. The distance between the projection of the center of mass of the assist motor onto the first plane and the projection of the line connecting the first mounting point and one of the second mounting points onto the first plane is less than or equal to a first preset value. The first plane is perpendicular to the up and down direction.

2. The steering gear according to claim 1, characterized in that, The first preset value is 15mm.

3. The steering gear according to claim 1, characterized in that, It also includes a power assist gear, a rack, and a steering tie rod. The power assist motor is driven by the power assist gear, the rack meshes with the power assist gear, and the rack is driven by the steering tie rod. The distance from the meshing point of the power assist gear and the rack to the ball pin of the steering tie rod is less than or equal to a second preset value.

4. The steering gear according to claim 3, characterized in that, The second preset value is 170mm.

5. The steering gear according to claim 3, characterized in that, It also includes a worm and a worm wheel, wherein the worm is drivenly connected to the power-assisting motor, the worm wheel meshes with the worm, and the power-assisting gear is drivenly connected to the worm wheel; The angle between the axis of the power assist motor and the axis of the power assist gear is less than 90°, and the angle between the axis of the power assist gear and the axis of the rack is less than 90°.

6. The steering gear according to claim 5, characterized in that, The distance between the projection of the center of mass of the assist motor onto the second plane and the projection of the axis of the rack onto the second plane is less than or equal to a third preset value, and the second plane is perpendicular to the front-back direction.

7. The steering gear according to claim 6, characterized in that, The third preset value is 85mm.

8. The steering gear according to claim 5, characterized in that, It also includes a pressure block for applying pressure to the rack toward the booster gear, wherein at least two of the booster motor's center of mass, the worm gear, and the pressure block are located on the same side of the booster gear's axis.

9. The steering gear according to claim 8, characterized in that, The center of mass of the power-assist motor, the worm gear, and the pressure block are all located on the same side of the axis of the power-assist gear.

10. The steering gear according to claim 1, characterized in that, The power assist motor includes a motor housing, which includes a housing body and at least three fixing points. The fixing points are connected to the main housing and are located on the radially outer side of the housing body.

11. The steering gear according to claim 1, characterized in that, The motor housing is provided with reinforcing ribs that extend in the left-right direction.

12. The steering gear according to claim 1, characterized in that, The main shell is provided with multiple main reinforcing ribs.

13. The steering gear according to claim 12, characterized in that, The main reinforcing rib includes: A first reinforcing rib is disposed at the connection between the power assist motor and the main housing; and / or A second reinforcing rib, the second reinforcing rib passing through the first mounting point; and / or The third reinforcing rib passes through the second mounting point.

14. The steering gear according to claim 13, characterized in that, The second reinforcing rib and the third reinforcing rib extend in the left-right direction so that the force transmission path formed by the second reinforcing rib and the third reinforcing rib passes through the first mounting point and the second mounting point.

15. A vehicle, characterized in that, include: The steering gear is the steering gear according to any one of claims 1-14; The subframe is connected to both the first mounting point and the second mounting point.

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