CN218287870U - Automobile chassis mechanism - Google Patents
Automobile chassis mechanism Download PDFInfo
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- CN218287870U CN218287870U CN202222700852.4U CN202222700852U CN218287870U CN 218287870 U CN218287870 U CN 218287870U CN 202222700852 U CN202222700852 U CN 202222700852U CN 218287870 U CN218287870 U CN 218287870U
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Abstract
The utility model provides an automobile chassis mechanism belongs to the vehicle field of making, and this automobile chassis mechanism includes: the steering device comprises a steering knuckle assembly, a hub bearing, an upper control arm, a lower control arm, a steering assembly and a sliding column; the steering assembly is provided with a mounting part which is detachably connected with a middle column of an automobile; one end of the steering knuckle assembly is detachably connected with the upper control arm, and the other end of the steering knuckle assembly is detachably connected with the lower control arm; the sliding column is detachably connected with the lower control arm; the hub bearing is detachably connected with the steering knuckle assembly; the steering assembly is detachably connected with the steering knuckle assembly. The technical problem that in the prior art, an automobile chassis of the same type can only be matched with one of an electric steering system or a steer-by-wire system, and cannot be replaced according to the requirements of users is solved.
Description
Technical Field
The utility model belongs to the technical field of the vehicle manufacturing and specifically relates to an automobile chassis mechanism is related to.
Background
The steering system of a vehicle is composed of a series of devices for changing or maintaining the direction of travel or reverse of the vehicle, and is an important component of the chassis of the vehicle. The function of the steering system of the automobile is to control the driving direction of the automobile according to the intention of the driver. The steering system of the automobile is important to the driving safety of the automobile.
In order to achieve the steering of the automobile, in the prior art, a conventional electric steering system often needs to provide a steering assist mechanism (for example, a middle column of the automobile) for connecting a steering wheel of the automobile on a chassis of the automobile, and the steering of the automobile is determined by a vehicle speed signal of a vehicle speed sensor and a torque and corner signal sent by a torque sensor for detecting the steering assist mechanism.
With the development of the times, a steer-by-wire system has gradually appeared, which can determine the steering of an automobile only by controlling through an electric signal without a steering assist mechanism. (for example, when the steering wheel is operated, the torque sensor and the vehicle speed sensor send signals to the electric controller so that the electric controller controls the wheels to steer).
However, in the prior art, the chassis of the same type of vehicle can only be adapted to one of an electric steering system and a steer-by-wire system, and cannot be replaced according to the requirements of users.
Based on this, the utility model is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automobile chassis to solve prior art, automobile chassis of same money motorcycle type can only one kind of adaptation electric steering system or steer-by-wire system, can't carry out the technical problem of change between the two according to user's demand.
The utility model provides an automobile chassis mechanism, which comprises a steering knuckle assembly, a hub bearing, an upper control arm, a lower control arm, a steering assembly and a sliding column; the steering assembly is provided with a mounting part which is detachably connected with a middle column of the automobile; one end of the steering knuckle assembly is detachably connected with the upper control arm, and the other end of the steering knuckle assembly is detachably connected with the lower control arm; the sliding column is detachably connected with the lower control arm; the hub bearing is detachably connected with the steering knuckle assembly; the steering assembly is detachably connected with the steering knuckle assembly.
Specifically, in the present application, the knuckle assembly mainly plays a role in positioning, bearing and steering by the hub bearing, and is a very important component of the automobile chassis mechanism as a carrier for the upper control arm, the lower control arm and the steering assembly, and especially when the upper control arm, the lower control arm and the steering assembly need to include a plurality of functional components, the knuckle assembly needs to take into account positioning and bearing of multiple functional components. In the automobile chassis mechanism, one end of a steering knuckle assembly is detachably connected with an upper control arm, the other end of the steering knuckle assembly is detachably connected with a lower control arm, and a sliding column is detachably connected with the lower control arm; the steering assembly is detachably connected with the steering knuckle assembly, the sliding column is detachably connected with the lower control arm, and the hub bearing is detachably connected with the steering knuckle assembly. It should be noted that, in the present application, when an automobile needs to meet the configuration of a non-steer-by-wire system, a middle column of the automobile connected to a steering wheel is detachably connected to an installation component, that is, the steering wheel can drive the middle column to rotate, so that a steering assembly is driven by the installation component, and then wheels of the automobile are driven to move; when the automobile needs to meet the configuration of the steer-by-wire system, only the middle column needs to be detached, and the electric control system is used for electrically controlling the steering assembly of the automobile. The technical problem that in the prior art, an automobile chassis of the same type can only be matched with one of an electric steering system or a steer-by-wire system, and cannot be replaced according to the requirements of a user is solved.
In an optional embodiment, a transmission gear is arranged in the mounting part of the steering assembly, a first rack matched with the transmission gear is arranged in the steering assembly, the middle column extends into the mounting part and is connected with the transmission gear, and the middle column is driven by a steering wheel so as to drive the transmission gear to rotate and drive the wheels of the automobile to transmit.
Preferably, the steering assembly comprises: a steering tie rod, a steering gear and a tie rod joint; the steering pull rod is arranged in the steering machine, and two ends of the steering pull rod protrude out of the steering machine; the two ends of the steering pull rod protruding out of the steering engine are respectively detachably connected with the pull rod joint; the pull rod joint is detachably connected with the steering knuckle assembly.
The steering assembly is particularly important as an important component for driving the vehicle to steer. Wherein, a tie rod joint in the steering assembly is detachably connected with the steering knuckle assembly, and the steering tie rod passes through the steering engine and is detachably connected with the tie rod joint; this application carries out the side-to-side motion through steering gear drive steering linkage to drive steering linkage and carry out the side-to-side motion, thereby drive the knuckle assembly and rotate, in order to realize turning to of car.
Alternatively, the tie rod joint may be a ball keyway.
Preferably, the knuckle assembly includes: the steering knuckle comprises a steering knuckle body, a first ball pin and a second ball pin; a first through hole and a second through hole with adjustable apertures are formed in two opposite side walls of the steering knuckle body; the first ball pin is clamped with the steering knuckle body through the first through hole; the second ball pin is clamped with the steering knuckle body through a second through hole; the upper control arm is connected with the first ball pin; the lower control arm is connected with the second ball stud.
Set up the first through-hole and the second through-hole of adjustable aperture on two relative lateral walls of knuckle body, first bulb round pin passes through first through-hole and knuckle body joint, the second bulb round pin passes through the second through-hole and knuckle body joint, when installing first bulb round pin and second bulb round pin promptly, can open first through-hole and second through-hole, make first bulb round pin and second bulb round pin installation, and the joint is on the knuckle body, can make first bulb round pin and second bulb round pin install more conveniently. The upper control arm is connected with the first ball pin; the lower control arm is connected with the second ball pin, and the first ball pin and the second ball pin can realize vertical jumping and steering movement of the wheels. The automobile steering control system has the characteristics of ensuring the stability of automobile steering, the smoothness and the comfort of driving and ensuring the correct and accurate driving of the automobile, so that the driving safety of the automobile can be ensured.
Preferably, the side wall of the steering knuckle body is provided with a connecting arm; and a first connecting part integrally formed or fixedly connected with the connecting arm; the first connecting portion is connected with the pull rod joint.
The steering knuckle is characterized in that a connecting arm is arranged on one side wall of the steering knuckle body, which is not connected with the first ball pin and the second ball pin, one end of the connecting arm is connected with the side wall, the other end of the connecting arm is integrally formed or fixedly connected with a first connecting portion, and the first connecting portion is connected with the pull rod joint. Through the mode that sets up linking arm and first connecting portion for there is the certain distance between tie rod joint and the knuckle body, under the steering linkage drives, and it is more convenient when tie rod joint drives the knuckle body and rotates, and the rotation effect of knuckle body is better.
Preferably, the lower control arm is provided with a through groove, and the side wall of the through groove is provided with a first mounting part and a second mounting part; the first mounting part and the second mounting part respectively extend downwards along a direction vertical to the section of the through groove; the sliding column penetrates through the through groove to be detachably connected with the first installation part and the second installation part.
The middle part of second control arm has been seted up and has been led to the groove, is provided with perpendicular to and leads to groove direction downwardly extending's first installation department and second installation department on the lateral wall that leads to the groove, and the traveller part passes and leads to the groove and is connected with first installation department and second installation department. Through the mode that sets up like this, can be convenient for on the one hand be connected of traveller and second control arm, on the other hand can reduce the mounting height of traveller better to reduce vehicle chassis's height.
Preferably, a plurality of connecting holes are formed in the bottom wall of the steering knuckle body; the hub bearing is connected with the bottom wall bolt of the steering knuckle body through a plurality of connecting holes.
The diapire of knuckle body is fitted with a contraceptive ring and is equipped with a plurality of connecting holes, and the wheel hub bearing passes through the diapire bolted connection of a plurality of connecting holes and knuckle body, can guarantee that the drive shaft of motor also can be accurately be connected with the wheel hub bearing.
Preferably, the steering gear comprises a steering gear shell and a steering motor; the steering motor is detachably connected to the steering engine shell; the steering pull rod is arranged in the steering engine shell, and two ends of the steering pull rod protrude out of the steering engine shell.
The steering motor can be dismantled and connect on the knuckle casing, can drive steering linkage and move, and steering linkage sets up in the steering gear casing, and both ends protrusion in the steering gear casing, and steering linkage sets up in the steering gear casing promptly to be connected with steering motor, move through steering motor drive steering linkage, thereby drive the knuckle and move. Through the mode that sets up like this for the steering gear structure is simpler, and the effect of drive steering linkage motion is better.
Preferably, the steering assembly further comprises: the driving component is detachably connected to the steering shell and is used for driving the steering pull rod to move; the driving part is connected with a steering motor; the driving part is provided with a reduction gear; and a second rack meshed with the reduction gear is arranged on the steering pull rod.
The steering knuckle comprises a steering knuckle body and is characterized in that a driving part is arranged on the steering knuckle body, a reduction gear is arranged in the driving part, a second rack is arranged on a steering pull rod, the driving part serves as an object driven by a steering motor, the second rack is meshed with the reduction gear, namely the second rack is driven to move through rotation of the reduction gear, and meanwhile the second rack is driven to move through the rotation of the reduction gear, so that the steering knuckle body is driven to rotate. This arrangement makes the steering link move more smoothly. This application sets up the mode of reducing gear and second rack, can drive the tie rod and move through reducing gear and the driven mode of second rack in the drive-by-wire control mode, when taking away the intermediate column promptly.
Preferably, the steering assembly further comprises: a bushing; one end of the bush is sleeved on the steering pull rod, and the other end of the bush is sleeved on the steering engine shell.
One end of the bush is sleeved on the steering engine shell, and the other end of the bush is sleeved on the steering pull rod. Since the steering link needs to be driven to rotate the wheels, if a large amount of dust enters the steering link, the steering link cannot move, and personal safety of a driver or a passenger is harmed. Therefore, the mode of arranging the lining can reduce dust entering, thereby ensuring the safety of personnel.
Preferably, the upper control arm is a first Y-shaped connecting structure; the lower control arm is of a second Y-shaped connecting structure; two second connecting parts used for connecting a vehicle body longitudinal beam of the automobile are arranged on the same side of the first Y-shaped connecting structure, and a second connecting part used for connecting the first ball pin is arranged on the other side of the first Y-shaped connecting structure; two third connecting parts used for connecting the longitudinal beams of the automobile body are arranged on the same side of the second Y-shaped connecting structure, and a third connecting part used for connecting the second ball stud is arranged on the other side of the second Y-shaped connecting structure.
The upper control arm is a first Y-shaped connecting structure, the lower control arm is a second Y-shaped connecting structure, the same side of the first Y-shaped connecting structure is provided with two second connecting parts used for connecting the automobile body longitudinal beam, the same side of the second Y-shaped connecting structure is provided with two third connecting parts used for connecting the automobile body longitudinal beam, and because the wheels of the automobile can form inward extrusion force when jumping, the force can be applied to the positions where the first Y-shaped connecting structure and the second Y-shaped connecting structure are connected to the automobile body longitudinal beam, two mounting points are arranged, the first Y-shaped connecting structure and the second Y-shaped connecting structure can be more effectively ensured not to deform or separate due to overlarge stress, and the stability of the connection between the first Y-shaped connecting structure and the second Y-shaped connecting structure and the automobile body longitudinal beam is improved.
In summary, the present application provides a chassis mechanism of an automobile, in which a steering assembly is provided with an installation component, which can be detachably connected to a middle column of the automobile, and can be used for carrying a drive-by-wire system and a non-drive-by-wire system, that is, when a non-drive-by-wire operation needs to be performed on the automobile, only the middle column needs to be detachably connected to the installation component, so as to achieve the purpose of controlling the middle column by a steering wheel, thereby controlling the wheels of the automobile to rotate through mechanical control; when the drive-by-wire is needed to be carried out on the vehicle, only the middle column needs to be cancelled, namely the middle column is detached, and the vehicle is controlled to steer through an electric signal. The problem that in the prior art, the automobile chassis of the same type can only be matched with one of an electric steering system or a steer-by-wire system, and cannot be replaced according to the requirements of a user is solved.
In addition, a driving part is arranged on the steering gear shell, a reduction gear is arranged in the driving part, a second rack is arranged on the steering pull rod, the reduction gear is meshed with the second rack, and when the middle column is cancelled, the transmission between the reduction gear and the second rack is controlled through an electric signal, so that the automobile is driven to steer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automobile chassis mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a non-wire controlled automobile chassis mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automobile chassis mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an automobile chassis mechanism according to another embodiment of the present invention.
In the above figures, the list of parts represented by the various reference numerals is as follows:
1. a steering assembly; 2. a knuckle assembly; 3. an upper control arm; 4. a lower control arm; 5. a hub bearing; 6. a traveler; 7. a middle column;
101. a mounting member; 102. a steering tie rod; 103. a tie-rod joint; 104. a steering housing; 105. a steering motor; 106. a drive member; 107. a bushing;
201. a knuckle body; 202. a first ball stud; 203. a second ball stud; 204. a connecting arm; 205. a first connection portion.
Detailed Description
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 1 to 4, in an embodiment of the present invention, an automobile chassis mechanism includes: the steering knuckle assembly comprises a steering knuckle assembly 2, a hub bearing 5, an upper control arm 3, a lower control arm 4, a steering assembly 1 and a sliding column 6; the steering assembly 1 is provided with a mounting part 101 which is detachably connected with a middle column 7 of an automobile; one end of the steering knuckle assembly 2 is detachably connected with the upper control arm 3, and the other end of the steering knuckle assembly is detachably connected with the lower control arm 4; the sliding column 6 is detachably connected with the lower control arm 4; the hub bearing 5 is detachably connected with the steering knuckle assembly 2; the steering assembly 1 is detachably connected with the steering knuckle assembly 2.
As a further preferred embodiment, on the basis of the above-mentioned solution, the specific examples of the present invention may further include one or more of the following additions or combinations;
the steering assembly 1 includes: a steering link 102, a steering gear, and a link joint 103; the steering pull rod 102 is arranged in the steering engine, and two ends of the steering pull rod protrude out of the steering engine; the two ends of the steering pull rod 102 protruding out of the steering engine are respectively detachably connected with a pull rod joint 103; the pull rod joint 103 is detachably connected with the knuckle assembly 2;
the knuckle assembly 2 includes: a knuckle body 201, a first ball stud 202, a second ball stud 203; two opposite side walls of the knuckle body 201 are provided with a first through hole (not shown) and a second through hole (not shown) with adjustable apertures; the first ball stud 202 is clamped with the knuckle body 201 through a first through hole (not shown); the second ball stud 203 is clamped with the knuckle body 201 through a second through hole (not shown); the upper control arm 3 is connected with the first ball stud 202; the lower control arm 4 is connected with a second ball stud 203;
a connecting arm 204 is arranged on the side wall of the steering knuckle body 201; and a first connecting portion 205 integrally formed with or fixedly connected to the connecting arm 204; the first connection portion 205 is connected with the tie rod joint 103;
a through groove is formed in the lower control arm 4, and a first mounting part and a second mounting part are arranged on the side wall of the through groove; the first mounting part and the second mounting part respectively extend downwards along the direction vertical to the section of the through groove; the sliding column 6 passes through the through groove to be detachably connected with the first installation part and the second installation part;
a plurality of connecting holes are formed in the bottom wall of the steering knuckle body 201; the hub bearing 5 is bolted to the bottom wall of the knuckle body 201 through a plurality of connection holes;
the steering gear comprises a steering gear shell 104 and a steering motor 105; the steering motor 105 is detachably connected to the steering housing 104; the steering pull rod 102 is arranged in the steering shell 104, and two ends of the steering pull rod protrude out of the steering shell 104;
the steering assembly 1 further comprises: a driving member 106 detachably connected to the steering housing 104 and driving the steering rod 102 to move; the driving part 106 is connected with the steering motor 105; the driving part 106 is provided with a reduction gear; the steering rod 102 is provided with a second rack (not shown) engaged with a reduction gear (not shown);
the steering assembly 1 further comprises: a bushing 107; one end of the bushing 107 is fitted over the steering link 102, and the other end is fitted over the steering housing 104.
The upper control arm 3 is a first Y-shaped connecting structure; the lower control arm 4 is a second Y-shaped connecting structure; two second connecting parts used for connecting the longitudinal beams of the automobile body are arranged on the same side of the first Y-shaped connecting structure, and a second connecting part used for connecting the first ball pin 202 is arranged on the other side of the first Y-shaped connecting structure; two third connecting parts used for connecting the body longitudinal beams of the automobile are arranged on the same side of the second Y-shaped connecting structure, and a third connecting part used for connecting the second ball stud 203 is arranged on the other side of the second Y-shaped connecting structure.
Referring to fig. 1 and 3, in one specific embodiment of the present invention, the chassis mechanism of the vehicle includes a knuckle assembly 2, a hub bearing 5, an upper control arm 3, a lower control arm 4, a steering assembly 1, and a strut 6; the knuckle assembly 2 mainly plays a role in positioning, bearing and steering of the hub bearing 5, and is a very important component of the automobile chassis mechanism as a carrier of the upper control arm 3, the lower control arm 4 and the steering assembly 1, and especially when the upper control arm 3, the lower control arm 4 and the steering assembly 1 need to include a plurality of functional components, the knuckle assembly 2 needs to take into account positioning and bearing of various functional components. One end of the steering knuckle assembly 2 is detachably connected with the upper control arm 3, the other end of the steering knuckle assembly is detachably connected with the lower control arm 4, and the sliding column 6 is detachably connected with the lower control arm 4; the steering assembly 1 is detachably connected with the steering knuckle assembly 2, the sliding column 6 is detachably connected with the lower control arm 4, and the hub bearing 5 is detachably connected with the steering knuckle assembly 2.
It should be noted that, in the present application, when an automobile needs to meet the configuration of a non-steer-by-wire system, the middle column 7 of the automobile connected to a steering wheel is detachably connected to the mounting part 101, that is, the steering wheel can drive the middle column 7 to rotate, so that the mounting part 101 drives the steering assembly 1 to drive the wheels of the automobile to move; when the automobile needs to meet the configuration of the steer-by-wire system, the steering assembly 1 of the automobile is electrically controlled through the electric control system only by detaching the middle column 7.
Referring to fig. 2, in an alternative embodiment, a transmission gear is disposed in the mounting part 101 of the steering assembly 1, a first rack adapted to the transmission gear is disposed in the steering assembly 1, the middle column 7 extends into the mounting part 101 and is connected to the transmission gear, and the middle column 7 is driven by the steering wheel to drive the transmission gear to rotate, so as to drive the wheels of the vehicle to perform transmission.
In some preferred embodiments, the steering housing 104 is provided with a driving member 106, the driving member 106 is provided with a reduction gear (not shown), the steering rod 102 is provided with a second rack (not shown), and the driving member 106, which is driven by the steering motor 105, is engaged with the reduction gear (not shown) through the second rack (not shown) and the reduction gear (not shown), that is, the reduction gear (not shown) rotates to drive the second rack (not shown) engaged therewith to move, and at the same time, the driving member can drive the steering rod 102 to move, thereby driving the knuckle body 201 to rotate. This arrangement makes the steering link 102 move more smoothly.
In some more preferred embodiments, the steering assembly 1 further includes a bushing 107, and one end of the bushing 107 is sleeved on the steering housing 104, and the other end is sleeved on the steering linkage 102. Since the tie rod 102 needs to be driven to rotate the wheels, if a large amount of dust enters the interior thereof, the tie rod 102 cannot be moved, which may harm the personal safety of the driver or the passenger. Therefore, by means of the arrangement of the bushing 107, dust can be reduced, and accordingly, safety of personnel can be guaranteed.
Referring to fig. 3, in some more preferred embodiments, two opposite side walls of the knuckle body 201 are provided with a first through hole (not shown) and a second through hole (not shown) with adjustable apertures, the first ball stud 202 is clamped with the knuckle body 201 through the first through hole (not shown), and the second ball stud 203 is clamped with the knuckle body 201 through the second through hole (not shown), that is, when the first ball stud 202 and the second ball stud 203 are mounted, the first through hole (not shown) and the second through hole (not shown) can be opened, so that the first ball stud 202 and the second ball stud 203 are mounted and clamped on the knuckle body 201, and the first ball stud 202 and the second ball stud 203 can be mounted more conveniently. The upper control arm 3 is connected with the first ball stud 202; the lower control arm 4 is connected with a second ball stud 203, and the first ball stud 202 and the second ball stud 203 can realize up-and-down jumping and steering movement of the wheel.
Alternatively, the tie rod joint 103 may be a ball keyway.
In some more preferred embodiments, as shown in fig. 3, a connecting arm 204 is provided on a side wall of the knuckle body 201 to which the first ball stud 202 and the second ball stud 203 are not connected, one end of the connecting arm 204 is connected to the side wall, the other end is integrally formed or fixedly connected to a first connecting portion 205, and the first connecting portion 205 is connected to the tie rod joint 103.
Referring to fig. 1 to 4, in an alternative embodiment, as illustrated in fig. 3, a surface of the knuckle body 201 facing a viewer is a bottom surface, the knuckle body 201 is of a groove-shaped structure, a rotation space for the second ball stud 203 to rotate is formed at the bottom of the groove-shaped structure, a motor driving shaft through hole for an automobile is formed in the middle of the groove-shaped structure, the motor driving shaft is connected with the hub bearing 5 conveniently, and the rotation space is sized to meet a rotation requirement of being mounted on the second ball stud 203. It is ensured that the second ball stud 203 is not interfered by the knuckle body 201 when rotating or jumping up and down.
In a preferred embodiment, the bottom wall of the knuckle body 201 is provided with a plurality of connecting holes (not shown), and the hub bearing 5 is bolted to the bottom wall of the knuckle body 201 through the plurality of connecting holes (not shown), so that the driving shaft of the motor can be accurately connected to the hub bearing 5.
In some more preferred embodiments, a through groove is formed in the middle of the second control arm, a first mounting portion and a second mounting portion which extend downward along a direction perpendicular to the through groove are arranged on a side wall of the through groove, the first mounting portion and the second mounting portion extend in the same length, the sliding column 6 partially penetrates through the through groove to be connected with the first mounting portion and the second mounting portion, it should be noted that a connecting piece used for connecting the first mounting portion and the second mounting portion is arranged on the bottom of the sliding column 6, that is, the part of the sliding column 6 provided with the connecting piece penetrates through the through groove to be connected with the first mounting portion and the second mounting portion.
In some more preferred embodiments, the upper control arm 3 is a first Y-shaped connecting structure, the lower control arm 4 is a second Y-shaped connecting structure, and the same side of the first Y-shaped connecting structure is provided with two second connecting parts for connecting the vehicle body longitudinal beams, and the same side of the second Y-shaped connecting structure is provided with two third connecting parts for connecting the vehicle body longitudinal beams, so that when the wheels of the automobile jump, an inward squeezing force is formed, and the force is applied to the positions where the first Y-shaped connecting structure and the second Y-shaped connecting structure are connected to the vehicle body longitudinal beams, therefore, the two mounting points are provided, which can more effectively ensure that the first Y-shaped connecting structure and the second Y-shaped connecting structure are not deformed or separated due to excessive force, thereby improving the stability of the connection between the first Y-shaped connecting structure and the second Y-shaped connecting structure and the vehicle body longitudinal beams.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. An automotive chassis mechanism, characterized in that the mechanism comprises: the steering knuckle assembly comprises a steering knuckle assembly, a hub bearing, an upper control arm, a lower control arm, a steering assembly and a sliding column;
the steering assembly is provided with a mounting part which is detachably connected with a middle column of an automobile;
one end of the steering knuckle assembly is detachably connected with the upper control arm, and the other end of the steering knuckle assembly is detachably connected with the lower control arm;
the sliding column is detachably connected with the lower control arm;
the hub bearing is detachably connected with the steering knuckle assembly;
the steering assembly is detachably connected with the steering knuckle assembly.
2. The automotive chassis mechanism of claim 1, wherein the steering assembly comprises: a steering tie rod, a steering gear and a tie rod joint;
the steering pull rod is arranged in the steering machine, and two ends of the steering pull rod protrude out of the steering machine;
the two ends of the steering pull rod protruding out of the steering engine are respectively detachably connected with the pull rod joint;
the pull rod joint is detachably connected with the steering knuckle assembly.
3. The automotive chassis mechanism of claim 2, wherein the knuckle assembly comprises: the knuckle comprises a knuckle body, a first ball stud and a second ball stud;
a first through hole and a second through hole with adjustable apertures are formed in two opposite side walls of the steering knuckle body;
the first ball pin is clamped with the steering knuckle body through the first through hole;
the second ball pin is clamped with the steering knuckle body through the second through hole;
the upper control arm is connected with the first ball stud;
the lower control arm is connected with the second ball stud.
4. The automobile chassis mechanism according to claim 3, wherein a connecting arm is provided on a side wall of the knuckle body; and
the first connecting part is integrally formed or fixedly connected with the connecting arm;
the first connecting portion is connected with the tie rod joint.
5. The automobile chassis mechanism according to claim 3, wherein a through groove is formed in the lower control arm, and a first mounting portion and a second mounting portion are formed on a side wall of the through groove;
the first mounting part and the second mounting part respectively extend downwards along the direction vertical to the section of the through groove;
the traveller passes logical groove can dismantle with first installation department and second installation department and be connected.
6. The automobile chassis mechanism according to claim 3, wherein a plurality of connecting holes are provided on a bottom wall of the knuckle body;
the hub bearing is connected with the bottom wall bolt of the steering knuckle body through a plurality of connecting holes.
7. The automotive chassis mechanism of claim 2, wherein the steering gear includes a steering gear housing and a steering motor;
the steering motor is detachably connected to the steering engine shell;
the steering pull rod is arranged in the steering engine shell, and two ends of the steering pull rod protrude out of the steering engine shell.
8. The automotive chassis mechanism of claim 7, wherein the steering assembly further comprises: the driving component is detachably connected to the steering gear shell and is used for driving the steering pull rod to move;
the driving part is connected with the steering motor;
a reduction gear is arranged on the driving part;
and a second rack meshed with the reduction gear is arranged on the steering pull rod.
9. The automotive chassis mechanism of claim 7, wherein the steering assembly further comprises: a bushing;
one end of the bush is sleeved on the steering pull rod, and the other end of the bush is sleeved on the steering engine shell.
10. The vehicle chassis mechanism of claim 3, wherein the upper control arm is a first "Y" shaped connection;
the lower control arm is of a second Y-shaped connecting structure;
two second connecting parts used for connecting a vehicle body longitudinal beam of an automobile are arranged on the same side of the first Y-shaped connecting structure, and a second connecting part used for connecting a first ball pin is arranged on the other side of the first Y-shaped connecting structure;
and two third connecting parts used for connecting the body longitudinal beams of the automobile are arranged on the same side of the second Y-shaped connecting structure, and a third connecting part used for connecting a second ball pin is arranged on the other side of the second Y-shaped connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222700852.4U CN218287870U (en) | 2022-10-13 | 2022-10-13 | Automobile chassis mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222700852.4U CN218287870U (en) | 2022-10-13 | 2022-10-13 | Automobile chassis mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218287870U true CN218287870U (en) | 2023-01-13 |
Family
ID=84806399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222700852.4U Active CN218287870U (en) | 2022-10-13 | 2022-10-13 | Automobile chassis mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218287870U (en) |
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2022
- 2022-10-13 CN CN202222700852.4U patent/CN218287870U/en active Active
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