CN114932949A - Rear steering knuckle and automobile - Google Patents
Rear steering knuckle and automobile Download PDFInfo
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- CN114932949A CN114932949A CN202210738058.0A CN202210738058A CN114932949A CN 114932949 A CN114932949 A CN 114932949A CN 202210738058 A CN202210738058 A CN 202210738058A CN 114932949 A CN114932949 A CN 114932949A
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 25
- 239000000725 suspension Substances 0.000 description 10
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a rear steering knuckle and an automobile, wherein the rear steering knuckle comprises a main body, the main body comprises a mounting seat, a plurality of mounting arms and a connecting structure, the end part of the mounting seat extends in the front-back direction, the mounting arms extend outwards from the peripheral side of the mounting seat, the connecting structure is connected between the adjacent mounting arms, the mounting seat is provided with through holes which extend in the front-back direction and penetrate through the two ends of the mounting seat, the through holes are used for installing a supporting shaft neck positioned at the front end of the main body in an interference fit mode so as to fix a hub, and the mounting arms are used for correspondingly connecting a plurality of control arms positioned at the rear end of the main body so as to position and fix the rear steering knuckle on an automobile frame; wherein, a plurality of grooves are arranged on the connecting structure. The invention aims to provide an automobile rear steering knuckle with a compact and light structure.
Description
Technical Field
The invention relates to the technical field of automobile structures, in particular to a rear steering knuckle and an automobile.
Background
The rear steering knuckle is an important component of an automobile suspension, and is used for supporting the load of a rear axle of the whole automobile and bearing various impacts transmitted from the ground, so that the strength is enough, and meanwhile, the rear steering knuckle, especially the rear steering knuckle of a plurality of connecting rods, needs to integrate a plurality of control arms, a hub bearing unit, a brake caliper, an ABS wheel speed sensor and the installation of other parts, so that the size and the quality of the conventional rear steering knuckle are large, the size and the quality of the rear steering knuckle influence the space in the automobile and the flexibility of the whole automobile, so that the rear steering knuckle with compact structure and light weight is urgently needed, when the stability of the plurality of connecting rods is met, the rear steering knuckle has small size and light weight, and meanwhile, the assembly and the self processing of the parts are convenient, and the rear steering knuckle has higher practicability.
Disclosure of Invention
The invention mainly aims to provide a rear steering knuckle and an automobile, and aims to provide an automobile rear steering knuckle with a compact and light structure.
In order to achieve the above object, the present invention provides a rear steering knuckle, wherein the rear steering knuckle includes a main body, the main body includes a mounting seat having an end portion extending in a front-rear direction, a plurality of mounting arms extending outward from a peripheral side of the mounting seat, and a connecting structure connected between adjacent mounting arms, the mounting seat is provided with a through hole extending in the front-rear direction and penetrating two ends of the mounting seat, the through hole is used for interference-mounting a support journal located at a front end of the main body to fix a hub, and the mounting arms are used for correspondingly connecting a plurality of control arms located at a rear end of the main body to fix the rear steering knuckle to an automobile frame; wherein, a plurality of grooves are arranged on the connecting structure.
Optionally, the mounting arms include an upper control arm mounting arm located above the mounting base, a cross arm mounting arm located below the mounting base, a lower control arm mounting arm located to the left of the cross arm mounting arm, and a trailing arm mounting arm located to the right of the cross arm mounting arm.
Optionally, the ends of the upper control arm mounting arm, the lower control arm mounting arm and the cross arm mounting arm are provided with mounting sleeves extending left and right for correspondingly mounting the upper control arm, the lower control arm and the cross arm.
Optionally, the loading end of at least one of the through hole and the three installation sleeves is provided with a plurality of chamfer structures arranged along the axial direction of the through hole, and each chamfer structure comprises a fillet or a chamfer angle.
Optionally, the end of the trailing arm mounting arm is provided with three fixing points, and the three fixing points are arranged in a triangular manner, and the three fixing points are used for mounting and fixing the trailing arm.
Optionally, the fixing point comprises a threaded hole, and an open end of the threaded hole is provided with a sunken platform.
Optionally, a processing positioning structure is arranged at the rear end of the main body, and the processing positioning structure comprises three positioning points which are distributed in a triangular manner.
Optionally, the three positioning points correspond to end portions of the upper control arm mounting arm, the lower control arm mounting arm and the trailing arm mounting arm.
Optionally, the three positioning points include at least two limiting points, and the limiting points include concave points or convex points for matching with a processing tool.
Optionally, a processing limiting structure is arranged at the front end of the main body corresponding to the processing positioning structure, and the processing limiting structure is used for supporting a processing tool to fix the rear steering knuckle.
Optionally, a brake caliper mounting position is further disposed on the connecting structure, the brake caliper mounting position includes two fixed point locations, and at least one of the fixed point locations is disposed in the groove.
Optionally, the groove space is provided with a reinforcing rib to form groove walls of the groove, and the fixing point is clamped between the groove walls of the groove.
Optionally, the rear end of the main body is provided with an installation groove, the bottom of the installation groove is provided with a fixing hole and a positioning hole penetrating through the main body, and the installation groove is used for installing the positioning wheel speed sensor.
Optionally, the front end of the main body is provided with a plurality of mounting holes, and the mounting holes are used for fixing and mounting a mudguard.
Optionally, the mounting seat includes a mounting boss located at a front end thereof, and an outer edge of the mounting boss is used for the mud guard to be sleeved and positioned.
The invention also provides an automobile which comprises a rear steering knuckle, wherein the rear steering knuckle comprises a main body, the main body comprises a mounting seat, a plurality of mounting arms and a connecting structure, the end part of the mounting seat extends along the front-back direction, the mounting arms extend outwards from the peripheral side of the mounting seat, the connecting structure is connected between the adjacent mounting arms, the mounting seat is provided with through holes which extend in the front-back direction and penetrate through the two ends of the mounting seat, the through holes are used for installing a support shaft neck at the front end of the main body in an interference fit mode to fix a hub, and the mounting arms are used for correspondingly connecting a plurality of control arms at the rear end of the main body to position and fix the rear steering knuckle on an automobile frame; wherein, a plurality of grooves are arranged on the connecting structure.
In the technical scheme of the invention, the rear steering knuckle structure mainly comprises the mounting seat used for mounting the supporting shaft neck, compared with the structure that the hub bearing is directly mounted on the rear steering knuckle, the supporting shaft neck is mounted through interference fit, then the hub bearing is mounted on the supporting shaft neck, a fixing hole for fixing the hub bearing or other structures required for fixing the supporting shaft neck do not need to be formed on the periphery of the mounting seat, and the size of the rear steering knuckle structure required for mounting the hub is reduced. Simultaneously, extend a plurality ofly from the mount pad week side the installation arm to a plurality of control arms that are used for the required installation of fixed connection form many connecting rods formula rear suspension, compact structure. Specifically, the installation arm can guarantee the stability that the control arm is connected, in addition, for promoting a plurality ofly the structural strength of installation arm is in order to promote the structural strength of rear steering knuckle is in order to satisfy the operation requirement, adjacent set up between the installation arm connection structure, simultaneously, on guaranteeing rear steering knuckle structural strength's basis the last a plurality ofly of recess has been seted up to the connection structure, in order to alleviate the quality of rear steering knuckle. Based on the structure, the rear steering knuckle is compact and light in structure and has higher practicability.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of a rear steering knuckle according to the present disclosure;
FIG. 2 is another perspective view of FIG. 1;
FIG. 3 is a schematic cross-sectional view at the through hole of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the installation sleeve of FIG. 1;
FIG. 5 is a schematic cross-sectional view of the fender mounting hole of FIG. 1;
FIG. 6 is a perspective view of the rear knuckle and control arms of FIG. 1;
fig. 7 is a perspective view illustrating the rear knuckle and fender shown in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 1000 | |
132 | Brake |
|
| 1 | |
1321 | Fixed |
|
| 11 | |
133 | Reinforcing |
|
| 111 | Through- |
14 | |
|
| 112 | Mounting boss | 15 | |
|
| 12 | Mounting arm | 151 | |
|
| 121 | Upper control |
1511 | |
|
| 122 | Cross |
1511a | |
|
| 123 | Lower control | 1511b | Pits | |
| 124 | Trailing |
16 | |
|
| 1241 | |
17 | |
|
| 125 | |
171 | |
|
| 13 | |
172 | Locating |
|
| 131 | |
18 | Mounting hole |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The rear steering knuckle is an important component of an automobile suspension, and is used for supporting the load of a rear axle of the whole automobile and bearing various impacts transmitted from the ground, so that the strength is enough, and meanwhile, the rear steering knuckle, especially the rear steering knuckle of a plurality of connecting rods, needs to integrate a plurality of control arms, a hub bearing unit, a brake caliper, an ABS wheel speed sensor and the installation of other parts, so that the size and the quality of the conventional rear steering knuckle are large, the size and the quality of the rear steering knuckle influence the space in the automobile and the flexibility of the whole automobile, so that the rear steering knuckle with compact structure and light weight is urgently needed, when the stability of the plurality of connecting rods is met, the rear steering knuckle has small size and light weight, and meanwhile, the assembly and the self processing of the parts are convenient, and the rear steering knuckle has higher practicability.
In view of the above, fig. 1 to 7 illustrate an embodiment of a rear steering knuckle according to the present invention, which will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the rear steering knuckle 1000 includes a main body 1, where the main body 1 includes a mounting seat 11 having an end portion extending in a front-back direction, a plurality of mounting arms 12 extending outward from a peripheral side of the mounting seat 11, and a connecting structure 13 connected between adjacent mounting arms 12, the mounting seat 11 is provided with a through hole 111 extending in the front-back direction and penetrating two ends of the mounting seat, the through hole 111 is used for interference-mounting a supporting journal located at a front end of the main body 1 to fix a wheel hub, and the mounting arms 12 are used for correspondingly connecting a plurality of control arms located at a rear end of the main body 1 to fix the rear steering knuckle 1000 to an automobile frame; wherein a plurality of grooves 131 are provided on the connecting structure 13.
In the technical scheme of the invention, the rear steering knuckle 1000 structure mainly comprises the mounting seat 11 for mounting a supporting journal, and compared with the existing structure for directly mounting a hub bearing on the rear steering knuckle 1000, the structure has the advantages that the supporting journal is mounted through interference fit, then the hub bearing is mounted on the supporting journal, a fixing hole 171 for fixing the hub bearing or other structures required for fixing the supporting journal do not need to be formed on the periphery of the mounting seat 11, and the structural size of the rear steering knuckle 1000 required for mounting a hub is reduced. Simultaneously, from 11 week sides of mount pad extend a plurality ofly installation arm 12 to a plurality of control arms that are used for the required installation of fixed connection form multi-link formula rear suspension, compact structure. Specifically, the mounting arm 12 can ensure the stability of the connection of the control arm, and in addition, in order to improve the structural strength of the mounting arm 12 so as to improve the structural strength of the rear steering knuckle 1000 so as to meet the use requirement, the connecting structure 13 is arranged between the adjacent mounting arms 12, and meanwhile, on the basis of ensuring the structural strength of the rear steering knuckle 1000, the connecting structure 13 is provided with a plurality of grooves 131 so as to reduce the mass of the rear steering knuckle 1000. Based on the above structure, the rear steering knuckle 1000 which is compact and lightweight is obtained, and has higher practicability.
Specifically, the mounting arm 12 includes an upper control arm mounting arm 121 located above the mounting seat 11, a lateral arm mounting arm 122 located below the mounting seat 11, a lower control arm mounting arm 123 located on the left side of the lateral arm mounting arm 122, and a trailing arm mounting arm 124 located on the right side of the lateral arm mounting arm 122. The rear steering knuckle 1000 includes the four mounting arms 12 to form a four-link rear suspension component, specifically, an E-type four-link independent suspension, and specifically, a multi-link independent suspension can ensure certain comfort, and since there are many links, the wheels and the ground can be kept vertical as much as possible, the inclination of the vehicle body can be reduced as much as possible, and the ground contact of the tires can be maintained as much as possible. And the multi-connecting-rod suspension has the problems of complex structure and large volume, and the E-shaped four-connecting-rod independent suspension is selected for use, so that the multi-connecting-rod suspension has the advantages of simpler structure, lower cost and higher practicability on the basis of having the beneficial effects.
Further, the ends of the upper control arm mounting arm 121, the lower control arm mounting arm 123 and the cross arm mounting arm 122 are provided with mounting sleeves 125 extending left and right for correspondingly mounting the upper control arm, the lower control arm and the cross arm. In the E-type four-bar linkage structure, the traverse arm, the upper control arm and the lower control arm together buffer the forward and backward force and bear the wheel runout, so the traverse arm, the upper control arm and the lower control arm need to have the displacement amount of the up-down deflection, that is, the upper control arm mounting arm 121, the lower control arm mounting arm 123 and the traverse arm mounting arm 122 need to provide the mounting sleeve 125 extending left and right for the traverse arm, the upper control arm and the lower control arm to rotate in the left-right axial direction after being mounted so as to have the rotational offset amount in the up-down direction. Meanwhile, corresponding to the front fork type mounting structure and the single cantilever type mounting structure of the existing control arm, only one mounting sleeve 125 is arranged on the upper control arm mounting arm 121, the lower control arm mounting arm 123 and the cross arm mounting arm 122, so that the structure is simpler and the mounting strength is higher than the structure in which the three ends are arranged in the front fork type structure to mount the control arm. In addition, the mounting sleeve 125 may be inserted with a bushing to mount each control arm, or may be directly mounted and connected to each control arm, which is not limited herein and may be selected as required in actual circumstances.
Specifically, the through hole 111 and at least one of the three mounting sleeves 125 are provided with a plurality of chamfer structures 14 arranged along the axial direction thereof at the loading end, and the chamfer structures 14 comprise fillets or chamfer angles. For the installation of the structure, the through holes 111 are chamfered at the installation ends of the three installation sleeves 125 to guide the installation process and facilitate the installation operation. Specifically, a plurality of the chamfering structures 14 are arranged during chamfering, so that the guiding area of the chamfering structures 14 is increased, the depth of the chamfering structures 14 is reduced, and the chamfering structures 14 are prevented from being small in amplitude and small in inclination, so that the chamfering structures cannot slide smoothly during installation, and the guiding effect is influenced. That is, the guide surface is arranged to be larger, so that the installation structure can be aligned to the chamfering structure 14 more conveniently, the depth is reduced on the basis, the chamfering structure 14 is prevented from influencing the installation stability, the chamfering structure 14 with large inclination amplitude can be arranged on the basis, and the smooth operation of the installation process is facilitated. Specifically, it is a plurality of chamfer structure 14 increases from outside to inboard slope range to realize foretell effect, chamfer structure 14 adopts fillet or chamfer all can, and in this embodiment, it is a plurality of chamfer structure 14 is a fillet structure and a lead straight angle structure combination, and the outside is the fillet, and the inboard is the chamfer angle, and the outside fillet is compared and is provided bigger guide area in the chamfer angle, and the inboard chamfer angle is compared and is made the structural mounting more smoothly in the fillet. Of course, the number of the chamfer structures 14 can be three, four or more, but the processing cost is higher.
In addition, the end of the trailing arm mounting arm 124 is provided with three fixing points 1241, and the three fixing points 1241 are arranged in a triangular shape, and the three fixing points 1241 are used for mounting the trailing arm. The trailing arm is used to suppress a brake nod, to buffer a longitudinal shock when braking, accelerating, and driving on an uneven road surface, and to provide a moderate degree of freedom of camber, so it is required to be fastened to the rear knuckle 1000, and three fixing points 1241 are provided at an end of the trailing arm mounting arm 124 for trailing arm mounting to form a triangular fixing structure, so that trailing arm mounting is more stable, and coupling strength is higher.
Specifically, the fixing point 1241 includes a threaded hole, and an open end of the threaded hole is provided with a sunken platform. The connecting structure is simple in structure, stable in connection, convenient to disassemble and assemble and low in cost, and the open end of the threaded hole is provided with the sinking platform for positioning and preassembling of the bolt structure and facilitating installation and fixing operation of the longitudinal arm.
In addition, the rear end of the main body 1 is provided with a processing positioning structure 15, and the processing positioning structure 15 includes three positioning points 151 distributed in a triangular manner. The back knuckle 1000 course of working need stabilize and place in processing platform, and back knuckle 1000 structure is irregular, needs extra design preparation to be used for back knuckle 1000's processing frock, for practicing thrift the cost, processing frock generally adopts the point formula structure, corresponding to main part 1 need set up setpoint 151, for guaranteeing support stability, setpoint 151 sets up to three, and three setpoint 151 is triangular distribution.
Specifically, three positioning points 151 are provided at the ends of the upper control arm mounting arm 121, the lower control arm mounting arm 123, and the trailing arm mounting arm 124. Based on the three positioning points 151 being distributed in a triangular shape, the distance between the positioning points 151 is set to be as large as possible, and the center of the triangle is made to be close to the center of gravity of the rear steering knuckle 1000, so that the three positioning points 151 are more stable, based on the structure of the main body 1, the three positioning points 151 are correspondingly arranged at the ends of the upper control arm mounting arm 121, the lower control arm mounting arm 123, and the trailing arm mounting arm 124, so that the distance between the three positioning points 151 is the largest, and according to the actual production situation, the center of a triangular area formed by enclosing the positioning points 151 is set to correspond to the center of gravity of the rear steering knuckle 1000, so that the rear steering knuckle 1000 is more stable in positioning and processing.
Further, the three positioning points 151 include at least two limiting points 1511, and the limiting points 1511 include concave points 1511b or convex points 1511a for matching with a processing tool. The positioning point 151 serves as an abutting processing tool to ensure stable positioning of the rear steering knuckle 1000, and when the rear steering knuckle 1000 is processed, horizontal displacement and deflection of the rear steering knuckle 1000 need to be limited, specifically, an additional limiting tool may be provided to limit and position the rear steering knuckle 1000, but this method is costly, in this embodiment, a mode of setting the positioning point 151 as the limiting point 1511, that is, as a concave point 1511b or a convex point 1511a, is correspondingly matched with a convex point and a concave point on a processing tool, on the one hand, positioning of the rear steering knuckle 1000 in the processing tool is facilitated, and on the other hand, horizontal displacement and deflection of the rear steering knuckle 1000 are limited, and processing operation is facilitated, and in this embodiment, two limiting points 1511 are provided, compared with three limiting points 1511, processing cost is lower, and at the same time, two limit points 1511 set up to a concave point 1511b and a bump 1511a for back knuckle 1000 can not reverse the installation, in the location course of working of back knuckle 1000, play certain fool-proofing effect, practice thrift location time, reduce the processing cost.
Further, a processing limit structure 16 is arranged at the front end of the main body 1 corresponding to the processing positioning structure 15, and the processing limit structure 16 is used for being abutted by a processing tool to fix the rear steering knuckle 1000. The main body 1 is provided with the processing limiting structure 16 for clamping a processing tool to clamp the rear steering knuckle 1000, so that the stability of a processing process is guaranteed. Processing limit structure 16 can set up in avoid the optional position of functional structure in the main part 1, can play and supply processing frock clamping in order to fasten the effect of back knuckle 1000 can, do not do the restriction here, and in this embodiment, processing limit structure 16 corresponds to processing location structure 15 sets up, promptly processing limit structure 16 sets up to three clamping point to supply processing frock clamping, will processing limit structure 16 corresponds to processing location structure 15 sets up, when processing frock clamping, can not appear the clamp force and apply the condition that the department bottom does not have the support, can not lead to promptly the holding power that back knuckle 1000 received and the condition that the clamp force has great dislocation, avoid take place deformation in the back knuckle 1000 course of working.
Furthermore, a brake caliper mounting location 132 is disposed on the connecting structure 13, the brake caliper mounting location 132 includes two fixing points 1321, and at least one fixing point 1321 is disposed in the groove 131. The brake caliper is installed corresponding to the wheel hub, and the installation position of the brake caliper is correspondingly arranged on the connecting structure 13, and for the brake caliper structure and the rear steering knuckle 1000 with a compact structure, an independent lug may need to extend out of the edge of the connecting structure 13 to arrange the fixed point 1321, obviously, the arrangement of the independent lug needs to increase the volume of the rear steering knuckle 1000 so as to increase the material consumption and the mass thereof, so in order to reduce the volume of the connecting structure 13 so as to reduce the material consumption, the fixed point 1321 is arranged in the groove 131 of the connecting structure 13 as much as possible, while for the existing brake caliper structure, two fixed points 1321 are needed, so that at least one fixed point 1321 is arranged in the groove 131, if the structure of the rear steering knuckle 1000 and the correspondingly installed brake caliper structure are arranged, the installation can be realized without additionally arranging the independent lug, i.e. both said fastening points 1321 are arranged in said recess 131. In this embodiment, one of the fixing points 1321 is disposed in the groove 131, and the other fixing point 1321 is disposed on an extended independent lug, so as to correspond to the structure of the brake caliper and the structure of the compact rear steering knuckle 1000.
Specifically, the grooves 131 are provided with the reinforcing ribs 133 at intervals to form groove walls of the grooves 131, and the fixing point 1321 is clamped between the groove walls of the grooves 131. The reinforcing rib 133 is specifically the reinforcing rib 133 arranged at an interval between the two grooves 131. Specifically, the grooves 131 may be one, but one groove 131 is provided, if the size of the groove 131 is set to be larger to reduce the volume and mass of the rear steering knuckle 1000, that is, the outer edge of the groove 131 is set to be thinner to form a thin-walled structure, so that when the rear steering knuckle 1000 is lightened, the structural strength of the rear steering knuckle 1000 may be weaker, which may cause a hidden danger, and if the size of the groove 131 is set to be smaller, that is, the outer edge of the groove 131 is set to be thicker to form a stable structure to improve the strength of the rear steering knuckle 1000, the mass of the rear steering knuckle 1000 may be increased. Therefore, in this embodiment, a plurality of grooves 131 are provided, the rib 133 is protruded between adjacent grooves 131, or a larger groove 131 is provided, the rib 133 is protruded into the groove 131 to divide the groove into a plurality of grooves 131, the rib 133 is used as at least a part of the groove wall of the groove 131, on one hand, the structural strength is enhanced, on the other hand, the volume of the rear knuckle 1000 is reduced as much as possible to reduce the mass, and the fixing point 1321 located in the groove 131 is clamped between the groove walls of the grooves 131, so that the structural strength of the fixing point 1321 is ensured.
In addition, the rear end of the main body 1 is formed with a mounting groove 17, the bottom of the mounting groove 17 is formed with a fixing hole 171 and a positioning hole 172 penetrating through the main body 1, and the mounting groove 17 is used for mounting the positioning wheel speed sensor. The main body 1 is further provided with a wheel speed sensor, specifically, the rear end of the main body 1 is provided with the mounting groove 17, on one hand, the main body 1 structure plays a role in isolating the wheel speed sensor from a wheel, so that the wheel speed sensor is protected, the service life of the wheel speed sensor is prolonged, and on the other hand, the mounting groove 17 is used for embedded mounting of the wheel speed sensor, so that the mounting stability of the wheel speed sensor is ensured. Based on the above mechanism, corresponding to the principle and structure of the wheel speed sensor, set up one in the mounting groove 17 locating hole 172 and one fixed orifices 171, just run through around locating hole 172 main part 1, on the one hand locating hole 172 is used for stretching into the fast sensor's of wheel response end in order to fix a position the wheel speed sensor, be convenient for it install to mounting groove 17, on the other hand, stretches into the fast sensor speed of wheel of response end response of locating hole 172.
In addition, a plurality of mounting holes 18 are opened at the front end of the main body 1, and the mounting holes 18 are used for fixing and mounting a mudguard. The rear steering knuckle 1000 is further integrated with a fixed fender, and specifically, the front end of the main body 1 is provided with a plurality of mounting holes 18 corresponding to the fenders for fixing the fenders.
Further, the mounting seat 11 includes a mounting boss 112 located at a front end thereof, and an outer edge of the mounting boss 112 is used for positioning the fender sleeve. If only the mounting hole 18 is arranged for positioning and mounting the fender, the fender is not convenient to position and fix in the final assembly process, and the fender is supported only by the locking structure in the use process, so that the problem that the fender falls off after being used for a long time and even the normal rotation of the wheel is influenced exists. In this embodiment, the front end of the mounting seat 11 is protruded to be the mounting boss 112 for mounting the fender, so as to perform positioning and mounting functions on one hand and perform a supporting function on the other hand. In addition, the positioning hole 172 for penetrating the sensing end of the wheel speed sensor penetrates through the mounting boss 112, so as to prevent the mudguard sleeved on the mounting boss 112 from blocking the sensing end of the wheel speed sensor.
The invention further provides an automobile which comprises the rear steering knuckle 1000, and the specific structure of the rear steering knuckle 1000 refers to the embodiment. Since the automobile adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the details are not repeated herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (16)
1. A rear steering knuckle, comprising:
the main body comprises a mounting seat, a plurality of mounting arms and a connecting structure, wherein the end part of the mounting seat extends in the front-back direction, the mounting arms extend outwards from the peripheral sides of the mounting seat, the connecting structure is connected between the adjacent mounting arms, the mounting seat is provided with through holes which extend in the front-back direction and penetrate through the two ends of the mounting seat, the through holes are used for installing a supporting shaft neck at the front end of the main body in an interference fit mode so as to fix a hub, and the mounting arms are used for correspondingly connecting a plurality of control arms at the rear end of the main body so as to position and fix the rear steering knuckle on an automobile frame;
wherein, a plurality of grooves are arranged on the connecting structure.
2. The rear steering knuckle of claim 1 wherein said mounting arms include an upper control arm mounting arm located above said mounting seat, a cross arm mounting arm located below said mounting seat, a lower control arm mounting arm located to the left of said cross arm mounting arm, and a trailing arm mounting arm located to the right of said cross arm mounting arm.
3. The rear steering knuckle of claim 2 wherein said upper control arm mounting arm, said lower control arm mounting arm and said cross arm mounting arm are each provided at their ends with a left and right extending mounting sleeve for correspondingly mounting the upper control arm, the lower control arm and the cross arm.
4. The rear steering knuckle according to claim 3, wherein said through hole and at least one of said three mounting sleeves are provided at their insertion ends with a plurality of chamfered structures arranged axially therealong, said chamfered structures comprising rounded corners or chamfered corners.
5. The rear steering knuckle according to claim 2, wherein the end of said trailing arm mounting arm is provided with three fixing points arranged in a triangular pattern, said three fixing points being used to mount the trailing arm.
6. The rear steering knuckle according to claim 5, wherein said fixing points comprise threaded holes, and wherein open ends of said threaded holes are provided with a counter sink.
7. The rear steering knuckle according to claim 2, wherein the rear end of the main body is provided with a machining locating structure, and the machining locating structure comprises three locating points which are distributed in a triangular shape.
8. The rear steering knuckle of claim 7 wherein three of said locating points are correspondingly disposed at the ends of said upper control arm mounting arm, said lower control arm mounting arm and said trailing arm mounting arm.
9. The rear steering knuckle of claim 8, wherein said three locating points comprise at least two limit points, said limit points comprising a dimple or a dimple for mating with a machining tool.
10. The rear steering knuckle according to claim 9, wherein a processing limit structure is arranged at the front end of the main body corresponding to the processing positioning structure, and the processing limit structure is used for abutting a processing tool to fix the rear steering knuckle.
11. The rear steering knuckle according to claim 1, wherein said attachment structure further comprises a caliper mounting location, said caliper mounting location comprising two fixed points, at least one of said fixed points being disposed within said recess.
12. The rear steering knuckle of claim 11 wherein said pocket spaces are provided as ribs to form pocket walls of said pockets, said anchor points being sandwiched between said pocket walls of said pockets.
13. The rear steering knuckle of claim 1, wherein the main body defines a mounting groove at a rear end thereof, the mounting groove defining a fixing hole at a bottom thereof and a positioning hole extending through the main body, the mounting groove being configured to receive the positioning wheel speed sensor.
14. The rear steering knuckle according to claim 1, wherein the body has a plurality of mounting holes formed in a front end thereof, the mounting holes being adapted to receive a fender therein.
15. The rear steering knuckle of claim 14 wherein said mounting bracket includes a mounting boss at a front end thereof, said mounting boss having an outer edge for receiving a fender in position.
16. An automobile, characterized by comprising a rear steering knuckle according to any one of claims 1-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738058.0A CN114932949A (en) | 2022-06-27 | 2022-06-27 | Rear steering knuckle and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738058.0A CN114932949A (en) | 2022-06-27 | 2022-06-27 | Rear steering knuckle and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114932949A true CN114932949A (en) | 2022-08-23 |
Family
ID=82868439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210738058.0A Pending CN114932949A (en) | 2022-06-27 | 2022-06-27 | Rear steering knuckle and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114932949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230068445A1 (en) * | 2020-02-12 | 2023-03-02 | Kabushiki Kaisha Riken | Vehicle knuckle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000335437A (en) * | 1999-05-26 | 2000-12-05 | Suzuki Motor Corp | Steering knuckle structure for automobile |
| CN204020979U (en) * | 2014-08-08 | 2014-12-17 | 中国第一汽车股份有限公司 | A kind of manned vehicle rear steering joint |
| CN204432766U (en) * | 2015-02-12 | 2015-07-01 | 威海伯特利萨克迪汽车安全***有限公司 | Steering knuckle structure of car |
| CN106143606A (en) * | 2015-04-28 | 2016-11-23 | 长城汽车股份有限公司 | The knuckle of a kind of vehicle, draft hitch |
-
2022
- 2022-06-27 CN CN202210738058.0A patent/CN114932949A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000335437A (en) * | 1999-05-26 | 2000-12-05 | Suzuki Motor Corp | Steering knuckle structure for automobile |
| CN204020979U (en) * | 2014-08-08 | 2014-12-17 | 中国第一汽车股份有限公司 | A kind of manned vehicle rear steering joint |
| CN204432766U (en) * | 2015-02-12 | 2015-07-01 | 威海伯特利萨克迪汽车安全***有限公司 | Steering knuckle structure of car |
| CN106143606A (en) * | 2015-04-28 | 2016-11-23 | 长城汽车股份有限公司 | The knuckle of a kind of vehicle, draft hitch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230068445A1 (en) * | 2020-02-12 | 2023-03-02 | Kabushiki Kaisha Riken | Vehicle knuckle |
| US11603129B1 (en) * | 2020-02-12 | 2023-03-14 | Kabushiki Kaisha Riken | Vehicle knuckle |
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Application publication date: 20220823 |