CN219115550U - Steering mechanism, four-wheel steering control system and automobile - Google Patents
Steering mechanism, four-wheel steering control system and automobile Download PDFInfo
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- CN219115550U CN219115550U CN202222781398.XU CN202222781398U CN219115550U CN 219115550 U CN219115550 U CN 219115550U CN 202222781398 U CN202222781398 U CN 202222781398U CN 219115550 U CN219115550 U CN 219115550U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model provides a steering mechanism, a four-wheel steering control system and an automobile, which belong to the field of vehicle architecture design, and the steering mechanism comprises a steering body and a pair of transverse pull rod assemblies rotatably arranged at two ends of the steering body; the rack is arranged on the side wall of the steering body and extends along the length direction of the steering body; a gear engaged with the rack; and a wheel knuckle connected to the transverse tie rod assembly; the maximum deflection angle of the knuckle is 40 ° -45 ° when the gear is engaged with the end of the rack. The deflection angle of the steering knuckle is increased by increasing the steering stroke, the turning diameter of the whole vehicle is effectively reduced, and the turning passing performance is improved.
Description
Technical Field
The utility model relates to the field of vehicle architecture design, in particular to a steering mechanism, a four-wheel steering control system and an automobile.
Background
The steering pull rod is an important part in an automobile steering mechanism, and directly influences the stability of automobile operation, the running safety and the service life of tires. The tie rod is connected with the left steering arm and the right steering arm, two wheels can be synchronous and aligned to the toe-in through the meshing action of racks and gears on the steering rod, and the steering mechanism is the most important device in an automobile steering system, can increase the force transmitted to the steering device by an automobile steering wheel and change the transmission direction of the force, and plays an extremely critical steering role.
However, the rack in the prior art has smaller travel, namely smaller steering travel, so that the wheel turning angle is smaller, and the maximum turning angle is usually only 5-10 degrees, so that the turning diameter of the whole vehicle is larger, and the turning trafficability is poor.
In view of this, the present utility model has been made.
Disclosure of Invention
The utility model provides a steering mechanism, a four-wheel steering control system and an automobile, and aims to solve the problems of large turning diameter and poor turning trafficability of the whole automobile caused by small steering stroke in the prior art.
In order to solve the problems, the utility model adopts the following scheme:
the present utility model provides a steering mechanism comprising:
the steering body and the pair of transverse pull rod assemblies are rotatably arranged at two ends of the steering body;
the rack is arranged on the side wall of the steering body and extends along the length direction of the steering body;
a gear arranged to mesh with the rack; and
a wheel knuckle connected to the transverse tie rod assembly;
wherein the maximum deflection angle of the wheel knuckle is 40 ° -45 ° when the gear is engaged with the end of the rack.
According to the scheme, the rack is arranged on the side wall of the steering body, the gear meshed with the rack is driven to move through rotation of the gear, so that knuckles at two ends of the transverse pull rod assembly are caused to rotate, and then wheel corners are achieved.
In other preferred embodiments, the length of the rack is greater than the length of the tie rod assembly, and increasing the steering angle of the knuckle is achieved by increasing the steering stroke.
In other preferred aspects, the steering mechanism further comprises a ball pin connection assembly disposed at an end of the transverse rod assembly;
the wheel knuckle is connected to the transverse pull rod assembly through the ball pin connection assembly.
According to the steering device, the pair of ball pin connecting assemblies are arranged at the end parts of the transverse pull rod assemblies and used for connecting the steering knuckle on the automobile hub assembly, the ball pins are connected to replace bushing connection in the traditional technology, the ball pins can swing in multiple directions, and even if a vehicle jolts or inclines, the ball pins can swing along with the change of the state of the vehicle, so that the structure of the connecting part is not damaged, and the steering effect of the vehicle is guaranteed.
In other preferred aspects, the ball pin connection assembly comprises a ball pin and a ball seat, the ball pin being slidably connected to the ball seat; the transverse pull rod assembly is connected to the ball seat, and the wheel knuckle is connected to the ball pin, so that the transverse pull rod assembly can swing relative to the wheel knuckle.
In other preferred aspects, the ball seat is provided with a ball groove;
the ball pin comprises a pin rod and a ball head, and the ball head is clamped in the ball head groove, so that the transverse pull rod assembly can swing relative to the wheel knuckle.
During installation, the pin rod is inserted into the installation groove on the wheel steering knuckle, the ball head is matched with the installation groove, and when the automobile jolts or inclines, the ball head can swing in the ball head groove in a multidirectional manner so as to adapt to steering requirements. In other preferred embodiments, the tie rod assembly is configured to swing at an angle of not less than 30 degrees relative to the wheel knuckle
In other preferred aspects, the pin rod has a connecting portion connected to the wheel knuckle, and first and second extending portions located on both sides of the connecting portion, the first extending portion being connected to the ball head;
the diameter of the connecting part is gradually reduced from the first extending part to the second extending part, so that the connecting part can be conveniently inserted into the mounting groove on the wheel knuckle.
In other preferred aspects, the ball pin connection assembly further comprises a dust boot, and the dust boot collar is disposed on the first extension and is in sealing connection with the ball seat.
In other preferred schemes, the side wall of the steering body is provided with a fixed support, the gear is arranged on the fixed support, a driving device capable of driving the gear to rotate is further arranged on the fixed support, the gear is driven to rotate through the driving device, so that the rack motion and the steering knuckle steering are driven, the fixed support is directly arranged on the steering body, and the arrangement space of a vehicle body is saved.
In other preferred schemes, the steering mechanism further comprises a torque rotation angle sensor and a driving device, wherein the torque rotation angle sensor is used for sensing information of torque and rotation angle, and the driving device is used for driving the gear to rotate according to the information.
The present application also provides, in another aspect, a four-wheel steering control system including a front-wheel steering mechanism and a rear-wheel steering mechanism, the front-wheel steering mechanism and/or the rear-wheel steering mechanism being the steering mechanism.
In other preferred embodiments, the front wheel steering mechanism and the rear wheel steering mechanism are both the steering mechanisms;
the maximum deflection angle of the wheel knuckle in the front wheel steering mechanism is 45 °, and the maximum deflection angle of the wheel knuckle in the rear wheel steering mechanism is 40 °.
The present application also provides in another aspect an automobile comprising a frame provided with the four-wheel steering control system.
In other preferred schemes, the front steering knuckle and the rear steering knuckle are identical in structure, protruding portions are formed on the front steering knuckle and the rear steering knuckle in a uniform and integrated mode, the mounting grooves are formed in the protruding portions, the front steering knuckle and the rear steering knuckle are provided with independent protruding portions, and two ends of the steering mechanism are connected with the protruding portions, so that the steering mechanism is convenient to mount.
In other preferred embodiments, the protruding portion is provided at one side middle portion of the front knuckle and the rear knuckle, and an opening direction of the mounting groove is perpendicular to a length direction of the steering mechanism.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a steering mechanism is provided with the rack on the lateral wall of steering body to and the gear with rack toothing, drive rack motion through the rotation of gear, thereby arouse the knuckle at horizontal pull rod assembly both ends and rotate, the maximum deflection angle of wheel knuckle is 40 ° -45, and this application is through increasing the steering stroke, makes steering angle be greater than the steering angle among the prior art far away, thereby effectively reduces whole car turn diameter, promotes the performance of passing through.
In addition, the utility model provides a both ends at horizontal pull rod assembly are provided with a pair of ball pin coupling assembling for connect the knuckle on the automobile wheel hub assembly, replace bushing connection among the conventional art with ball pin coupling, the ball pin can realize multidirectional swing, even under the condition that the vehicle jolts or inclines, the ball pin also can swing along with the vehicle state change, thereby can not make junction structure impaired, guarantee the vehicle steering effect.
The torque rotation angle sensor is electrically connected with the driving device, can sense information of torque and rotation angle, and transmits the information to the controller of the driving device, so that the output of the motor is effectively controlled, and the gear is driven to rotate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a steering mechanism according to one embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a four-wheel steering control system according to one embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a particular ball and socket connection assembly as described herein;
fig. 4 is a schematic structural view of a specific front knuckle described herein.
In the above figures, the list of components represented by the various numbers is as follows:
A. a bushing structure;
100. a front wheel steering mechanism; 101. a steering body; 1011. a transverse pull rod assembly; 102. a rack; 103. a gear; 104. a ball pin connection assembly; 1041. ball head; 1042. a pin rod; 1043. a ball seat; 1044. a dust cover; 1045. a ball pin seat; 105. a driving device; 106. a torque rotation angle sensor;
200. a rear wheel steering mechanism;
300. a front knuckle; 301. a protruding portion;
400. rear steering knuckle.
Detailed Description
To further clarify the above and other features and advantages of the present utility model, a further description of the utility model will be rendered by reference to the appended drawings. It should be understood that the specific embodiments presented herein are for purposes of explanation to those skilled in the art and are intended to be illustrative only and not limiting.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Referring to fig. 1, an embodiment of a steering mechanism provided by the present utility model is shown:
the steering mechanism in this embodiment includes:
a steering body 101, and a pair of transverse tie rod assemblies 1011 rotatably provided at both ends of the steering body 101, only part of the components of the front steering mechanism being indicated in fig. 1, the transverse tie rod assemblies 1011 comprising a transverse tie rod and a steering ladder arm;
a rack 102 provided on a side wall of the steering body 101 and extending in a longitudinal direction of the steering body 101;
the gear 103 is arranged to be meshed with the rack 102, and the rack 102 is driven to move by the rotation of the gear 103; and
a wheel knuckle connected to the tie rod assembly 1011;
in the initial state, the gear 103 is meshed with the middle part of the rack 102, and the steering knuckle is perpendicular to the steering body 101; the maximum deflection angle of the wheel knuckle is 40 deg. -45 deg. when the gear 103 is engaged with the end of the rack 102.
Optionally, the length of the rack 102 in this embodiment is greater than the length of the tie rod assembly 1011, and increasing the steering knuckle deflection angle is achieved by increasing the steering stroke.
According to the scheme, the rack 102 and the gear 103 meshed with the rack 102 are arranged on the side wall of the steering body 101, the rack 102 is driven to move through rotation of the gear 103, so that wheel knuckles at two ends of the transverse pull rod assembly 101 are caused to rotate, and further wheel corners are achieved.
According to the steering knuckle structure, the pair of ball pin connecting assemblies 104 are arranged at the two ends of the transverse pull rod assembly 1011 and used for connecting the steering knuckle on the automobile hub assembly, the ball pin connecting assemblies 104 are used for connecting the steering knuckle to replace the bushing structure A in the traditional technology, the ball pin connecting assemblies 104 can swing in multiple directions, and even if a vehicle jolts or inclines, the ball pin connecting assemblies 104 can swing along with the change of the state of the vehicle, so that the structure of the connecting part is not damaged, and the steering effect of the vehicle is guaranteed.
Further, the ball pin connection assembly 104 comprises a pin rod 1042 and a ball seat 1043, the ball pin is slidingly connected with the ball seat 1043; the transverse rod assembly 1011 is connected to the ball seat 1043 and the wheel knuckle is connected to the ball pin such that the transverse rod assembly 1011 is arranged to be swingable with respect to the wheel knuckle.
Further, the ball seat 1043 is provided with a ball groove; the ball pin includes a pin rod 1042 and a ball 1041, the ball 1041 is snapped into a ball groove to enable the transverse tie rod assembly 1011 to swing relative to the wheel knuckle.
When the automobile steering knuckle is particularly used, the pin rod 1042 can be inserted into the mounting groove on the automobile steering knuckle, the ball head 1041 is arranged at the other end of the pin rod 1042, the ball head 1041 is matched with the ball head groove, and when the automobile jolts or tilts, the ball head 1041 can swing in multiple directions in the ball head groove so as to adapt to steering requirements.
Optionally, the transverse rod assembly 1011 is arranged to be capable of swinging at an angle of not less than 30 ° relative to the wheel knuckle to meet the rotational demand.
Further, the pin 1042 has a connecting portion, a first extending portion and a second extending portion located at two sides of the connecting portion, the connecting portion is connected to the wheel knuckle, and the first extending portion is connected to the ball head;
the diameter of the connecting part is gradually reduced from the first extending part to the second extending part.
Further, the ball pin connection assembly 104 further includes a dust-proof cover 1044, where the dust-proof cover 1044 is disposed around the first extension portion and is connected with the ball seat 1043 in a sealing manner.
The tightness of the dust-proof sleeve 1044 has great influence on the wear and fatigue life of the ball stud, and the material is mainly polyurethane or neoprene which is high-temperature resistant, oil resistant and ageing resistant. In addition, the deformation condition during the movement of the ball pin should be considered in design so as to prevent dust from entering the ball pin from the matching surface after deformation. Meanwhile, the matching precision of the dust cover 1044 and related parts has great influence on the tightness and the service life.
Further, a ball pin seat 1045 is arranged on the wheel knuckle, a mounting groove is formed in the ball pin seat 1045, and the mounting groove accommodates and mounts the ball pin; the caliber of the mounting groove is gradually reduced along the insertion direction of the ball pin.
As shown in fig. 3, the pin 1042 has an approximately cylindrical structure, one end facing the ball head 1041 is gradually thickened, one end far away from the ball head 1041 is tapped with threads, the caliber of the mounting groove is matched with the pin 1042, the pin 1042 penetrates through the mounting groove, and the pin 1042 is fixed in the mounting groove by fastening bolts.
Optionally, in the present application, the bottom of the ball seat 1043 is an end cover, and the end cover is mostly made of steel plate stamping parts, and the material is mainly made of carbon steel, and some of the end cover is also made of aluminum alloy or spheroidal graphite cast iron, so that the requirement on the machining precision of the ball pin surface is higher, and most of the end cover is made of alloy steel with good hardenability, and the surface of the pin 1042 matched with the metal ball is subjected to surface hardening treatment such as high-frequency quenching, so as to improve the wear resistance. The pin 1042 is usually matched with a nonmetallic ball seat, so that only the pin 1042 needs to be subjected to thermal refining. The diameter of the pin 1042 is selected based on a combination of factors such as tensile strength, durability, etc.
The material of the ball seat 1043 is surface hardened steel, powder metallurgy, nylon, polyacetal resin, polyurethane and polyester elastomer. Because the material and shape of the ball seat 1043 have a large influence on wear and fatigue life, molybdenum disulfide or oil is immersed in the material to improve wear resistance, and reinforcing ribs can be added on the ball seat or a composite material can be adopted.
Further, the side wall of the steering body 101 is provided with a fixed support, the gear 103 is arranged on the fixed support, the fixed support is further provided with a driving device 105 capable of driving the gear 103 to rotate, the gear 103 is driven to rotate by the driving device 105, so that the rack 102 is driven to move and the steering knuckle is driven to steer, and the fixed support is directly arranged on the steering body 101, so that the arrangement space of a vehicle body is saved.
Further, the steering mechanism of the present application further comprises a hub assembly, and the wheel knuckle is disposed on the hub assembly.
Further, a torque rotation angle sensor 106 and a driving device 105 are also included; the torque rotation angle sensor 106 is used for sensing information of torque and rotation angle generated by the steering wheel and transmitting the information to the driving device 105, and the driving device 105 drives the gear 103 to rotate according to the information.
The driving device 105 in the application can be a driving motor, and the whole vehicle controller is used for controlling the strokes of the racks 102 of the front wheel driving steering mechanism and the rear wheel driving steering mechanism, and the steering knuckle is pushed by the transverse pull rod assembly 1011, so that the wheel corner is realized.
As shown in fig. 2, the present application also provides, in another aspect, a four-wheel steering control system including a front-wheel steering mechanism 100 and a rear-wheel steering mechanism 200, the front-wheel steering mechanism 100 and/or the rear-wheel steering mechanism 200 being the steering mechanisms provided in the present application. Further, the front-wheel steering mechanism 100 and the rear-wheel steering mechanism 200 are both steering mechanisms, i.e., the structures are the same; the maximum deflection angle of the wheel knuckles in the front-wheel steering mechanism 100 is 40 °, the maximum deflection angle of the wheel knuckles in the rear-wheel steering mechanism 200 is 45 °, and the maximum turning angles of the front-wheel steering mechanism 100 and the rear-wheel steering mechanism 200 are slightly different to satisfy different steering demands.
Optionally, when the vehicle runs at a high speed and turns, the front wheel steering mechanism 100 and the rear wheel steering mechanism 200 are controlled by the whole vehicle controller to rotate in the same direction, so that the high-speed rolling of the vehicle is reduced, and the driving safety is improved; when the vehicle turns at a low speed, the front wheel steering mechanism 100 and the rear wheel steering mechanism 200 are controlled by the vehicle controller to reversely rotate, so that the turning diameter of the vehicle is reduced, and the trafficability of the vehicle is improved.
As shown in fig. 1, the steering body 101 has a rod-shaped structure, and a torque rotation angle sensor 106 is disposed on the steering body, and the torque rotation angle sensor 106 can sense information of torque and rotation angle generated by a steering wheel and transmit the information to a driving device 105, so as to drive a gear 103 to rotate.
Further, the front knuckle 300 and the rear knuckle 400 have the same structure, the front knuckle 300 and the rear knuckle 400 are integrally formed with the protrusion 301, the ball pin seat 1045 is disposed on the protrusion 301, the front knuckle 300 and the rear knuckle 400 are provided with separate protrusions 301, and both ends of the steering mechanism are connected with the protrusions 301, so that the installation is facilitated.
Further, the protrusion 301 is provided at one side middle of the front knuckle 300 and the rear knuckle 400, and the opening direction of the ball socket 1045 is perpendicular to the length direction of the steering mechanism.
As shown in fig. 4, the steering knuckle of the application is in a plate structure, one plate surface is attached and fixed to the hub assembly, fixing grooves are formed in the top and bottom of the other plate surface and are respectively used for fixing an upper control arm and a lower control arm, a protruding portion 301 is arranged in the middle of one side of the steering knuckle, the protruding portion 301 is of an arc-shaped structure bent towards the transverse pull rod assembly 1011, a ball pin seat 1045 for inserting a pin rod 1042 is formed in the foremost end of the protruding portion 301, the mounting grooves in the ball pin seat 1045 are vertically penetrated, the whole body is of a reverse round platform structure which is tapered downwards, the pin rod 1042 is convenient to insert, the pin rod 1042 is inserted from the top end of the ball pin groove and penetrates out from the bottom end opening, fastening bolts are used for locking, fixing of the pin rod 1042 is completed, the transverse pull rod assembly 1011 is further fixed, the pin rod 1042 can swing in multiple directions, the pin rod 1042 can swing along with the change of the vehicle state even if the vehicle is inclined, the structure of the joint is not damaged, and the steering effect of the vehicle is ensured.
The present application also provides in yet another aspect an automobile comprising a frame provided with a four-wheel steering control system.
The automobile provided by the application has the advantages that the deflection angle of the steering knuckle is 40-45 degrees, and the steering stroke is increased, so that the steering angle is far greater than that in the prior art, the turning diameter of the whole automobile is effectively reduced, and the passing performance is improved. According to the steering knuckle structure, the pair of ball pin connecting assemblies 104 are arranged at the end parts of the transverse pull rod assembly 1011 and are used for connecting the steering knuckle on the automobile hub assembly, the ball pin connecting assemblies 104 are used for connecting the steering knuckle to replace bushing connection in the traditional technology, the ball pin connecting assemblies 104 can swing in multiple directions, and even if a vehicle jolts or inclines, the ball pin connecting assemblies 104 can swing along with the change of the state of the vehicle, so that the structure of the connecting part is not damaged, and the steering effect of the vehicle is guaranteed.
The torque rotation angle sensor 106 is electrically connected with the driving device 105, and the torque rotation angle sensor 106 can sense the information of the torque and the rotation angle transmitted from the steering wheel operation end and transmit the information to the control end of the driving device 105, so that the output of the motor is effectively controlled, and the driving gear 103 is further driven to rotate.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (11)
1. A steering mechanism, comprising:
the steering device comprises a steering body and a pair of transverse pull rod assemblies rotatably arranged at two ends of the steering body;
the rack is arranged on the side wall of the steering body and extends along the length direction of the steering body;
a gear arranged to mesh with the rack; and
a wheel knuckle connected to the transverse tie rod assembly;
wherein when the gear is engaged with the end of the rack, the maximum deflection angle of the wheel knuckle is 40 ° -45 °;
the length of the rack is greater than that of the transverse pull rod assembly.
2. The steering mechanism according to claim 1, wherein,
the steering mechanism further comprises a ball pin connecting assembly, and the ball pin connecting assembly is arranged at the end part of the transverse pull rod assembly;
the wheel knuckle is connected to the transverse pull rod assembly through the ball pin connection assembly.
3. A steering mechanism according to claim 2, wherein,
the ball pin connecting assembly comprises a ball pin and a ball seat, and the ball pin is in sliding connection with the ball seat;
the transverse pull rod assembly is connected to the ball seat, and the wheel knuckle is connected to the ball pin, so that the transverse pull rod assembly can swing relative to the wheel knuckle.
4. A steering mechanism according to claim 3, wherein,
the ball seat is provided with a ball groove;
the ball pin comprises a pin rod and a ball head, and the ball head is clamped in the ball head groove, so that the transverse pull rod assembly can swing relative to the wheel knuckle.
5. The steering mechanism of claim 4, wherein the transverse strut assembly is configured to oscillate at an angle of no less than 30 ° relative to the wheel knuckle.
6. The steering mechanism according to claim 5, wherein,
the pin rod is provided with a connecting part, a first extending part and a second extending part which are positioned at two sides of the connecting part, the connecting part is connected with the wheel knuckle, and the first extending part is connected with the ball head;
the diameter of the connecting part is gradually reduced from the first extending part to the second extending part.
7. The steering mechanism of claim 6, wherein the ball pin connection assembly further comprises a dust boot, the dust boot collar being disposed on the first extension and sealingly coupled to the ball seat.
8. The steering mechanism of claim 1, further comprising a torque angle sensor for sensing information of torque and angle of rotation and a drive for driving the gear in rotation based on the information.
9. A four-wheel steering control system comprising a front-wheel steering mechanism and a rear-wheel steering mechanism, characterized in that the front-wheel steering mechanism and/or the rear-wheel steering mechanism is the steering mechanism according to any one of claims 1 to 8.
10. The four-wheel steering control system according to claim 9, wherein,
the front wheel steering mechanism and the rear wheel steering mechanism are both the steering mechanisms;
the maximum deflection angle of the wheel knuckle in the front wheel steering mechanism is 40 °, and the maximum deflection angle of the wheel knuckle in the rear wheel steering mechanism is 45 °.
11. An automobile comprising a frame, further comprising the four-wheel steering control system according to any one of claims 9 to 10, the four-wheel steering control system being provided to the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222781398.XU CN219115550U (en) | 2022-10-21 | 2022-10-21 | Steering mechanism, four-wheel steering control system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222781398.XU CN219115550U (en) | 2022-10-21 | 2022-10-21 | Steering mechanism, four-wheel steering control system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219115550U true CN219115550U (en) | 2023-06-02 |
Family
ID=86527046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222781398.XU Active CN219115550U (en) | 2022-10-21 | 2022-10-21 | Steering mechanism, four-wheel steering control system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219115550U (en) |
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2022
- 2022-10-21 CN CN202222781398.XU patent/CN219115550U/en active Active
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